{"id":22090,"date":"2026-09-10T23:05:24","date_gmt":"2026-09-10T23:05:24","guid":{"rendered":"https:\/\/coinstats.app\/blog\/?p=22090"},"modified":"2026-09-10T23:06:34","modified_gmt":"2026-09-10T23:06:34","slug":"best-free-crypto-api","status":"publish","type":"post","link":"https:\/\/coinstats.app\/blog\/best-free-crypto-api\/","title":{"rendered":"23 Best Free Crypto APIs in 2026 (Free Tiers Compared)"},"content":{"rendered":"\n\n<style>\n\/* ===== CoinStats: 23 Best Free Crypto APIs (post styling) ===== *\/\n.cs-article{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#1F2024;}\n.cs-article p{font-size:16.5px;line-height:1.75;color:#1F2024;margin:0 0 18px 0;}\n.cs-article h2{font-size:25px;line-height:1.3;font-weight:800;color:#1A1B2E;margin:40px 0 14px 0;}\n.cs-article h3{font-size:19px;font-weight:700;color:#1A1B2E;margin:26px 0 10px 0;}\n.cs-article h3.cs-ph3{font-size:21px;font-weight:800;margin:34px 0 10px 0;}\n.cs-article ul{margin:0 0 18px 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!important;}\n}\n<\/style>\n\n<div class=\"cs-article\">\n<p class=\"cs-updated\">Written by <a href=\"https:\/\/x.com\/tigran_mk\" rel=\"noopener\">Tigran Mkrtchyan<\/a> &middot; Reviewed and fact-checked by <a href=\"https:\/\/x.com\/narek_gevorgyan\" rel=\"noopener\">Narek Gevorgyan<\/a> &middot; Published September 10, 2026 &middot; Last updated <span data-kp-date=\"long\">September 10, 2026<\/span> &middot; Pricing and limits verified <span data-kp-date=\"my\">September 2026<\/span><\/p>\n<nav class=\"cs-toc\"><div class=\"cs-toc-title\">In this guide<\/div><ol><li><a href=\"#what-makes\">What makes a good free crypto API<\/a><\/li><li><a href=\"#method\">How we scored the 23<\/a><\/li><li><a href=\"#table\">The 23 best free crypto APIs at a glance<\/a><\/li><li><a href=\"#cat-market\">Free market data APIs: prices, tickers, and history<\/a><\/li><li><a href=\"#cat-onchain\">Free onchain and wallet data APIs<\/a><\/li><li><a href=\"#cat-defi\">Free DEX and DeFi data APIs<\/a><\/li><li><a href=\"#cat-nft\">Free NFT data APIs<\/a><\/li><li><a href=\"#cat-sentiment\">Free sentiment and news APIs<\/a><\/li><li><a href=\"#exchanges\">Exchange public endpoints, free by design<\/a><\/li><li><a href=\"#picks\">Top picks by category<\/a><\/li><li><a href=\"#usecase\">Comparison by use case<\/a><\/li><li><a href=\"#choose\">How to choose a free crypto API<\/a><\/li><li><a href=\"#first-request\">Your first request in one minute<\/a><\/li><li><a href=\"#avoid\">APIs we do not recommend<\/a><\/li><li><a href=\"#conclusion\">Conclusion<\/a><\/li><li><a href=\"#faq\">FAQ<\/a><\/li><li><a href=\"#sources\">Sources and references<\/a><\/li><\/ol><\/nav>\n\n<p>This guide started as a spreadsheet with 68 free crypto APIs in it. I pulled the names from our founder&#8217;s <a href=\"https:\/\/github.com\/narekgevorgyan\/free-crypto-apis\" rel=\"noopener\">GitHub list<\/a> and added what it misses. Then I opened every pricing page.<\/p>\n<p>More than a dozen were dead, stale, trial-only, or had no real free tier. That is the catch with a <strong>free crypto API<\/strong>. The price is zero, so nobody reads the limits until they break.<\/p>\n<p>The 23 that survived are below, grouped by the job they do. <a href=\"https:\/\/coinstats.app\/api\/\">CoinStats Crypto API<\/a> is first, and I will be honest about why. I will also be fair to the rest.<\/p>\n\n<div class=\"cs-bias\" style=\"background:#1A1B2E;border-radius:14px;padding:22px 26px;margin:24px 0;\"><div class=\"lbl\" style=\"font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:#FFFFFF;margin-bottom:10px;\">Our bias, up front<\/div><p style=\"font-size:15.5px;color:#FFFFFF;line-height:1.7;margin:0;\">We make CoinStats API, so yes, we are biased, and we know it. So this guide sticks to plain facts: endpoints, limits, and public pricing. The verdict is yours.<\/p><\/div>\n<div style=\"background:#FFF9F5;border:2px solid #F355BD;border-radius:14px;padding:22px 26px;margin:8px 0 32px 0;\"><div style=\"font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:#F355BD;margin-bottom:10px;\">Key takeaways<\/div><ul class=\"cs-keys\" style=\"margin:0;padding-left:20px;color:#0E0E10;font-size:15px;line-height:1.7;\"><li>Every free crypto API has three limits: monthly quota, rate cap, and license.<\/li><li>Twelve of the 23 need no API key. Eleven need a free key, no card.<\/li><li>CoinStats API leads for market, wallet, and DeFi data on one free key.<\/li><li>Six well-known crypto APIs lost their free tier or shut down since 2025.<\/li><li>Match the API to the job, then test the free tier on real calls.<\/li><\/ul><\/div>\n\n<h2 id=\"what-makes\">What makes a good free crypto API<\/h2>\n<p>A <strong>free cryptocurrency API<\/strong> is a data endpoint you can call without paying. Every one of them stops at a published limit. The limit is the product, and everything else on the pricing page is decoration.<\/p>\n<p>Free can also mean gone. CoinCap&#8217;s keyless v2 API vanished in 2025, and every tutorial that used it broke.<\/p>\n<p>Three limits matter: the monthly quota, the rate cap, and the license. Quotas come in calls or credits. Rate caps come in requests a second or a minute.<\/p>\n<figure class=\"cs-fig\"><div class=\"cs-figswipe\">Swipe to see the full diagram<\/div><div class=\"cs-fig-tw\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"cs-lim\" viewBox=\"0 0 960 480\" width=\"100%\" preserveAspectRatio=\"xMidYMid meet\" role=\"img\" aria-labelledby=\"csLimTitle csLimDesc\">\n<title id=\"csLimTitle\">Three limits, not one<\/title>\n<desc id=\"csLimDesc\">A dark rounded panel. The eyebrow reads Read the fine print. The headline reads Three limits, not one. A gradient pill shows the headline number, 100,000 calls a month. Three cards follow. Card one is labeled Quota with the value 100,000 a month. Card two is labeled Rate cap with the value 60 a minute. Card three is labeled License with the value Personal only. A gradient badge under the cards reads The rate cap hits first.<\/desc>\n<defs>\n<linearGradient id=\"csLimGrad\" x1=\"0\" y1=\"0\" x2=\"1\" y2=\"0\"><stop offset=\"0\" stop-color=\"#C238E8\"\/><stop offset=\"1\" stop-color=\"#FF4F7C\"\/><\/linearGradient>\n<\/defs>\n<style>\n.cs-lim text{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;}\n.cs-lim .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,'Liberation Mono',monospace;}\n.cs-lim .an{animation-duration:21s;animation-iteration-count:infinite;animation-timing-function:cubic-bezier(.25,.6,.35,1);}\n.cs-lim .tb{transform-box:fill-box;transform-origin:50% 50%;}\n.cs-lim .l1k1{animation-name:l1k1}\n.cs-lim .l1k2{animation-name:l1k2}\n.cs-lim .l1k3{animation-name:l1k3}\n.cs-lim .l1k4{animation-name:l1k4}\n.cs-lim .l1k5{animation-name:l1k5}\n.cs-lim .l1k6{animation-name:l1k6}\n.cs-lim .l1k7{animation-name:l1k7}\n.cs-lim .l1k8{animation-name:l1k8}\n.cs-lim .l1k9{animation-name:l1k9}\n@keyframes l1k1{0%,1%{opacity:0;transform:translateY(8px)}5%,100%{opacity:1;transform:none}}\n@keyframes l1k2{0%,5%{opacity:0;transform:scale(.92)}10%,100%{opacity:1;transform:none}}\n@keyframes l1k3{0%,11%{opacity:0;transform:translateY(10px)}15%,100%{opacity:1;transform:none}}\n@keyframes l1k4{0%,13%{stroke-dashoffset:1}18%,100%{stroke-dashoffset:0}}\n@keyframes l1k5{0%,17%{opacity:0;transform:translateY(10px)}21%,100%{opacity:1;transform:none}}\n@keyframes l1k6{0%,19%{stroke-dashoffset:1}24%,100%{stroke-dashoffset:0}}\n@keyframes l1k7{0%,23%{opacity:0;transform:translateY(10px)}27%,100%{opacity:1;transform:none}}\n@keyframes l1k8{0%,25%{stroke-dashoffset:1}30%,100%{stroke-dashoffset:0}}\n@keyframes l1k9{0%,33%{opacity:0;transform:scale(.94)}38%,100%{opacity:1;transform:none}}\n@media (prefers-reduced-motion: reduce){.cs-lim *{animation:none!important;}}\n<\/style>\n<rect x=\"0\" y=\"0\" width=\"960\" height=\"480\" rx=\"14\" fill=\"#1A1B2E\"\/>\n\n<!-- 1. header -->\n<g class=\"an l1k1\">\n<text x=\"40\" y=\"58\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:700;text-anchor:start;letter-spacing:0.12em\">READ THE FINE PRINT<\/text>\n<text x=\"40\" y=\"102\" fill=\"#FFFFFF\" style=\"font-size:34px;font-weight:700;text-anchor:start\">Three limits, not one.<\/text>\n<\/g>\n\n<!-- 2. headline-number pill -->\n<g class=\"an tb l1k2\">\n<rect x=\"40\" y=\"132\" width=\"330\" height=\"52\" rx=\"26\" fill=\"url(#csLimGrad)\"\/>\n<text x=\"205\" y=\"166\" fill=\"#FFFFFF\" style=\"font-size:24px;font-weight:700;text-anchor:middle\">100,000 calls a month<\/text>\n<\/g>\n\n<!-- 3. card 1: quota -->\n<g class=\"an l1k3\">\n<rect x=\"40\" y=\"216\" width=\"280\" height=\"136\" rx=\"14\" fill=\"#3E3D52\" fill-opacity=\"0.45\" stroke=\"#3E3D52\" stroke-width=\"1.5\"\/>\n<line class=\"an l1k4\" x1=\"60\" y1=\"242\" x2=\"108\" y2=\"242\" stroke=\"#F355BD\" stroke-width=\"4\" stroke-linecap=\"round\" pathLength=\"1\" stroke-dasharray=\"1\"\/>\n<text x=\"60\" y=\"284\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:600;text-anchor:start\">Quota<\/text>\n<text x=\"60\" y=\"324\" fill=\"#FFFFFF\" style=\"font-size:28px;font-weight:700;text-anchor:start\">100,000 a month<\/text>\n<\/g>\n\n<!-- 4. card 2: rate cap -->\n<g class=\"an l1k5\">\n<rect x=\"340\" y=\"216\" width=\"280\" height=\"136\" rx=\"14\" fill=\"#3E3D52\" fill-opacity=\"0.45\" stroke=\"#3E3D52\" stroke-width=\"1.5\"\/>\n<line class=\"an l1k6\" x1=\"360\" y1=\"242\" x2=\"408\" y2=\"242\" stroke=\"#FF7E55\" stroke-width=\"4\" stroke-linecap=\"round\" pathLength=\"1\" stroke-dasharray=\"1\"\/>\n<text x=\"360\" y=\"284\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:600;text-anchor:start\">Rate cap<\/text>\n<text x=\"360\" y=\"324\" fill=\"#FFFFFF\" style=\"font-size:28px;font-weight:700;text-anchor:start\">60 a minute<\/text>\n<\/g>\n\n<!-- 5. card 3: license -->\n<g class=\"an l1k7\">\n<rect x=\"640\" y=\"216\" width=\"280\" height=\"136\" rx=\"14\" fill=\"#3E3D52\" fill-opacity=\"0.45\" stroke=\"#3E3D52\" stroke-width=\"1.5\"\/>\n<line class=\"an l1k8\" x1=\"660\" y1=\"242\" x2=\"708\" y2=\"242\" stroke=\"#FF9332\" stroke-width=\"4\" stroke-linecap=\"round\" pathLength=\"1\" stroke-dasharray=\"1\"\/>\n<text x=\"660\" y=\"284\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:600;text-anchor:start\">License<\/text>\n<text x=\"660\" y=\"324\" fill=\"#FFFFFF\" style=\"font-size:28px;font-weight:700;text-anchor:start\">Personal only<\/text>\n<\/g>\n\n<!-- 6. verdict badge -->\n<g class=\"an tb l1k9\">\n<rect x=\"40\" y=\"384\" width=\"300\" height=\"56\" rx=\"18\" fill=\"url(#csLimGrad)\"\/>\n<text x=\"190\" y=\"420\" fill=\"#FFFFFF\" style=\"font-size:22px;font-weight:700;text-anchor:middle\">The rate cap hits first<\/text>\n<\/g>\n<\/svg><\/div><figcaption class=\"cs-figcap\">One sample free tier, three limits. The rate cap binds first.<\/figcaption><\/figure>\n<p>A credit is a weighted call. Heavy endpoints cost more credits than light ones. Twenty thousand credits can mean 20,000 price lookups or 50 DeFi calls.<\/p>\n<figure class=\"cs-fig\"><img loading=\"lazy\" src=\"https:\/\/coinstats.app\/blog\/wp-content\/uploads\/2026\/09\/coinstats-api-free-credits-explained.png\" alt=\"What 20,000 free CoinStats API credits buy: 20,000 price lookups, 400 to 500 wallet balances, or 50 DeFi calls\" width=\"1520\" height=\"697\" decoding=\"async\" style=\"width:100%;height:auto;display:block;border-radius:14px;\"><figcaption class=\"cs-figcap\">Same 20,000 credits, three very different call counts. CoinStats API free tier.<\/figcaption><\/figure>\n<p>New to this? Start with our primer on <a href=\"https:\/\/coinstats.app\/blog\/what-is-crypto-blockchain-api-understanding-crypto-api-a-beginners-guide\/\">what a crypto API is<\/a>. For just prices, our <a href=\"https:\/\/coinstats.app\/blog\/crypto-price-api-guide\/\">crypto price API guide<\/a> walks through the first call.<\/p>\n<p>APIs are how software talks now, and crypto is no exception. Postman&#8217;s 2025 State of the API report puts API-first adoption at 82% of organizations. For crypto apps, the free tier is where that work starts.<\/p>\n<p>Rate limits are not stinginess. <a href=\"https:\/\/nvlpubs.nist.gov\/nistpubs\/SpecialPublications\/NIST.SP.800-228-upd1.pdf\" rel=\"noopener\">NIST&#8217;s SP 800-228<\/a> (2025) ranks rate limiting among the most effective API tools. A provider with clear limits is a provider that plans to stay up.<\/p>\n<p>So what should you check before you pick one? Six things.<\/p>\n<ul>\n<li><b>Free quota.<\/b> How many calls or credits a month, and do they renew?<\/li>\n<li><b>Signup friction.<\/b> No key, a free key, or a card on file?<\/li>\n<li><b>Data depth.<\/b> Prices only, or wallets, DeFi, and risk too?<\/li>\n<li><b>Coverage.<\/b> The coins, chains, and venues you need.<\/li>\n<li><b>Docs and limits.<\/b> Published numbers you can model, not &#8220;contact us&#8221;.<\/li>\n<li><b>AI readiness.<\/b> An official MCP server, so agents can call it.<\/li>\n<\/ul>\n<p>One note on AI readiness. MCP, the Model Context Protocol, lets an AI agent call an API directly. Nine providers here ship one, so it is table stakes, not a tiebreaker.<\/p>\n<p>The shift is wider than crypto. Per Postman&#8217;s 2025 report, nearly one in four developers design APIs for AI agents. &#8220;APIs are no longer just powering applications, they&#8217;re powering AI agents,&#8221; says Abhinav Asthana, Postman&#8217;s co-founder and CEO.<\/p>\n\n\n<h2 id=\"method\">How we scored the 23<\/h2>\n<p>We scored every free tier on six criteria, weighted toward quota and data depth. Every number comes from the provider&#8217;s official pricing page, read in September 2026. Providers we could not verify were cut, and they are listed near the end.<\/p>\n<p class=\"cs-swipe\">Swipe the table sideways to compare &#8594;<\/p><div class=\"cs-tbl-wrap\"><table class=\"cs-tbl\" style=\"min-width:520px;\"><thead><tr><th style=\"background:linear-gradient(90deg,#C238E8 0%,#DA41BD 100%);\">Criterion<\/th><th style=\"background:linear-gradient(90deg,#DA41BD 0%,#F34A92 100%);\">Weight<\/th><th style=\"background:linear-gradient(90deg,#F34A92 0%,#FF4F7C 100%);\">What we checked<\/th><\/tr><\/thead><tbody><tr><td class=\"first\">Free quota<\/td><td>25%<\/td><td>Calls or credits a month, and whether they renew<\/td><\/tr><tr><td class=\"first\">Data depth<\/td><td>25%<\/td><td>Prices only, or wallets, DeFi, risk, and history<\/td><\/tr><tr><td class=\"first\">Coverage<\/td><td>15%<\/td><td>Coins, chains, venues, and protocols<\/td><\/tr><tr><td class=\"first\">AI readiness<\/td><td>15%<\/td><td>An official MCP server or agent tooling<\/td><\/tr><tr><td class=\"first\">Docs and limits<\/td><td>10%<\/td><td>Published numbers, not sales-only<\/td><\/tr><tr><td class=\"first\">Signup friction<\/td><td>10%<\/td><td>No key, free key, or card required<\/td><\/tr><\/tbody><\/table><\/div>\n<p>Two honest notes. CoinStats API is our product, so it goes first, limits included. And 23 is a menu, not a podium.<\/p>\n<p>The best pick is the one whose limit you never hit.<\/p>\n\n\n<h2 id=\"table\">The 23 best free crypto APIs at a glance<\/h2>\n<p>Twelve of the 23 free tiers need no API key. Eleven need a free key, and none needs a card. Nine ship an official MCP server.<\/p>\n<p class=\"cs-swipe\">Swipe the table sideways to compare &#8594;<\/p><div class=\"cs-tbl-wrap\"><table class=\"cs-tbl\"><thead><tr><th style=\"background:linear-gradient(90deg,#C238E8 0%,#CE3DD2 100%);\">Provider<\/th><th style=\"background:linear-gradient(90deg,#CE3DD2 0%,#DA41BD 100%);\">Free tier<\/th><th style=\"background:linear-gradient(90deg,#DA41BD 0%,#E746A7 100%);\">Signup<\/th><th style=\"background:linear-gradient(90deg,#E746A7 0%,#F34A92 100%);\">Entry price<\/th><th style=\"background:linear-gradient(90deg,#F34A92 0%,#FF4F7C 100%);\">AI \/ MCP<\/th><\/tr><\/thead><tbody><tr><td class=\"first\">CoinStats API<small>Market data<\/small><\/td><td>20,000 credits\/mo, 2 req\/s<\/td><td>Free key, no card<\/td><td>from $49\/mo<\/td><td>MCP<\/td><\/tr><tr><td class=\"first\">CoinPaprika<small>Market data<\/small><\/td><td>20,000 calls\/mo, personal use<\/td><td>None<\/td><td>$99\/mo<\/td><td>MCP<\/td><\/tr><tr><td class=\"first\">LiveCoinWatch<small>Market data<\/small><\/td><td>10,000 req\/day<\/td><td>Free key, no card<\/td><td>Not listed<\/td><td>No<\/td><\/tr><tr><td class=\"first\">Coinranking<small>Market data<\/small><\/td><td>5,000 calls\/mo<\/td><td>Free key, no card<\/td><td>$49\/mo<\/td><td>No<\/td><\/tr><tr><td class=\"first\">CoinLore<small>Market data<\/small><\/td><td>No hard limit, ~1 req\/s<\/td><td>None<\/td><td>No paid tier<\/td><td>No<\/td><\/tr><tr><td class=\"first\">DIA<small>Market data<\/small><\/td><td>Free, limits not published<\/td><td>None<\/td><td>Custom<\/td><td>No<\/td><\/tr><tr><td class=\"first\">Coin Metrics Community API<small>Market data<\/small><\/td><td>10 req \/ 6 s per IP<\/td><td>None<\/td><td>Not listed<\/td><td>No<\/td><\/tr><tr><td class=\"first\">The Graph<small>Onchain data<\/small><\/td><td>100,000 queries\/mo<\/td><td>Free key, no card<\/td><td>$4\/mo<\/td><td>MCP<\/td><\/tr><tr><td class=\"first\">Chainbase<small>Onchain data<\/small><\/td><td>200,000 credits\/mo<\/td><td>Free key, no card<\/td><td>$99\/mo<\/td><td>MCP<\/td><\/tr><tr><td class=\"first\">Routescan<small>Onchain data<\/small><\/td><td>10,000\/day keyless, 100,000\/day with key<\/td><td>None (key optional)<\/td><td>$160\/mo<\/td><td>MCP<\/td><\/tr><tr><td class=\"first\">Goldsky<small>Onchain data<\/small><\/td><td>$100 one-time credit<\/td><td>Free key, no card<\/td><td>Usage-based<\/td><td>MCP<\/td><\/tr><tr><td class=\"first\">Ethplorer<small>Onchain data<\/small><\/td><td>2,000 req\/day (freekey)<\/td><td>None<\/td><td>Not listed<\/td><td>No<\/td><\/tr><tr><td class=\"first\">Blockscout<small>Onchain data<\/small><\/td><td>Free reads; PRO free 100,000 credits\/day<\/td><td>None (PRO key optional)<\/td><td>$49\/mo (PRO)<\/td><td>No<\/td><\/tr><tr><td class=\"first\">mempool.space<small>Onchain data<\/small><\/td><td>Free, limits not published<\/td><td>None<\/td><td>No paid tier<\/td><td>No<\/td><\/tr><tr><td class=\"first\">DefiLlama<small>DEX and DeFi<\/small><\/td><td>Free, ~31 endpoints<\/td><td>None<\/td><td>$300\/mo<\/td><td>MCP (paid)<\/td><\/tr><tr><td class=\"first\">DEX Screener<small>DEX and DeFi<\/small><\/td><td>60 req\/min<\/td><td>None<\/td><td>Not listed<\/td><td>No<\/td><\/tr><tr><td class=\"first\">1inch<small>DEX and DeFi<\/small><\/td><td>100,000 calls\/mo, 60 req\/min<\/td><td>Free key, no card<\/td><td>$149\/mo<\/td><td>MCP<\/td><\/tr><tr><td class=\"first\">Jupiter<small>DEX and DeFi<\/small><\/td><td>0.5 req\/s keyless, 1 req\/s with key<\/td><td>None (key optional)<\/td><td>$25\/mo<\/td><td>No<\/td><\/tr><tr><td class=\"first\">OpenSea<small>NFT data<\/small><\/td><td>600 reads\/hr<\/td><td>Instant key, no card<\/td><td>Not listed<\/td><td>MCP<\/td><\/tr><tr><td class=\"first\">NFTScan<small>NFT data<\/small><\/td><td>10,000 req\/day<\/td><td>Free key, no card<\/td><td>$199 prepaid<\/td><td>No<\/td><\/tr><tr><td class=\"first\">Santiment<small>Sentiment<\/small><\/td><td>1,000 calls\/mo<\/td><td>Free key, no card<\/td><td>$49\/mo<\/td><td>No<\/td><\/tr><tr><td class=\"first\">LunarCrush<small>Sentiment<\/small><\/td><td>100 req\/day, market data only<\/td><td>Free key, no card<\/td><td>$90\/mo<\/td><td>MCP<\/td><\/tr><tr><td class=\"first\">Alternative.me Fear &#038; Greed<small>Sentiment<\/small><\/td><td>Free, no stated limit<\/td><td>None<\/td><td>No paid tier<\/td><td>No<\/td><\/tr><\/tbody><\/table><\/div>\n<p class=\"cs-tbl-note\">Pricing and limits verified <span data-kp-date=\"my\">September 2026<\/span>. Providers change terms often, so check each pricing page before you commit.<\/p>\n<div class=\"cs-pick\"><div class=\"cs-pick-q\">What matters most to you?<\/div><p class=\"cs-pick-hint\">Tap a priority. All 23 APIs re-rank, and the top 8 show.<\/p><input type=\"radio\" name=\"cspick\" id=\"csp-all\" checked><input type=\"radio\" name=\"cspick\" id=\"csp-quota\"><input type=\"radio\" name=\"cspick\" id=\"csp-nokey\"><input type=\"radio\" name=\"cspick\" id=\"csp-ai\"><input type=\"radio\" name=\"cspick\" id=\"csp-upgrade\"><div class=\"cs-pick-tabs\"><label for=\"csp-all\">All-round<\/label><label for=\"csp-quota\">Biggest free quota<\/label><label for=\"csp-nokey\">No signup<\/label><label for=\"csp-ai\">AI-ready (MCP)<\/label><label for=\"csp-upgrade\">Cheapest upgrade<\/label><\/div><div class=\"cs-pick-verdict\"><span class=\"v-all\">CoinStats API wins all-round. One free key covers market, wallet, and DeFi data.<\/span><span class=\"v-quota\">Coin Metrics and Routescan give the most free calls. CoinStats API ranks 12th here.<\/span><span class=\"v-nokey\">Twelve of the 23 need no key at all. CoinPaprika is the quickest start.<\/span><span class=\"v-ai\">Nine ship an official MCP server. CoinStats API pairs its MCP with the widest data set.<\/span><span class=\"v-upgrade\">The Graph and Jupiter have the cheapest paid steps, at $4 and $25 a month.<\/span><\/div><div class=\"cs-pick-rows\"><div class=\"cs-pick-row r-cs\"><span class=\"rk\"><span class=\"k-all\">1<\/span><span class=\"k-quota\">13<\/span><span class=\"k-nokey\">14<\/span><span class=\"k-ai\">1<\/span><span class=\"k-upgrade\">4<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">CoinStats API<\/span><span class=\"mv m-all\">20,000 credits\/mo, 2 req\/s<\/span><span class=\"mv m-quota\">20,000 credits\/mo, 2 req\/s<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">MCP<\/span><span class=\"mv m-upgrade\">from $49\/mo<\/span><span class=\"wy w-all\">Market, wallet, DeFi, and risk on one free key.<\/span><span class=\"wy w-quota\">20,000 credits a month, commercial use allowed.<\/span><span class=\"wy w-nokey\">Free key from the dashboard, no card.<\/span><span class=\"wy w-ai\">Official MCP server, 20+ tools, OAuth login.<\/span><span class=\"wy w-upgrade\">Starter adds 1,000,000 credits a month.<\/span><\/div><\/div><div class=\"cs-pick-row r-paprika\"><span class=\"rk\"><span class=\"k-all\">2<\/span><span class=\"k-quota\">14<\/span><span class=\"k-nokey\">1<\/span><span class=\"k-ai\">4<\/span><span class=\"k-upgrade\">9<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">CoinPaprika<\/span><span class=\"mv m-all\">20,000 calls\/mo, personal use<\/span><span class=\"mv m-quota\">20,000 calls\/mo, personal use<\/span><span class=\"mv m-nokey\">None<\/span><span class=\"mv m-ai\">MCP<\/span><span class=\"mv m-upgrade\">$99\/mo<\/span><span class=\"wy w-all\">Prices and history with no signup at all.<\/span><span class=\"wy w-quota\">20,000 calls a month, personal use only.<\/span><span class=\"wy w-nokey\">No key, no signup, 20,000 calls a month.<\/span><span class=\"wy w-ai\">Official MCP server, keyless.<\/span><span class=\"wy w-upgrade\">Starter at $99 adds a commercial license.<\/span><\/div><\/div><div class=\"cs-pick-row r-lcw\"><span class=\"rk\"><span class=\"k-all\">9<\/span><span class=\"k-quota\">7<\/span><span class=\"k-nokey\">15<\/span><span class=\"k-ai\">13<\/span><span class=\"k-upgrade\">15<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">LiveCoinWatch<\/span><span class=\"mv m-all\">10,000 req\/day<\/span><span class=\"mv m-quota\">10,000 req\/day<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">Not listed<\/span><span class=\"wy w-all\">10,000 free price calls a day.<\/span><span class=\"wy w-quota\">10,000 requests a day, about 300,000 a month.<\/span><span class=\"wy w-nokey\">Free key required, no card.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">No paid plan published.<\/span><\/div><\/div><div class=\"cs-pick-row r-coinranking\"><span class=\"rk\"><span class=\"k-all\">16<\/span><span class=\"k-quota\">15<\/span><span class=\"k-nokey\">20<\/span><span class=\"k-ai\">14<\/span><span class=\"k-upgrade\">5<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Coinranking<\/span><span class=\"mv m-all\">5,000 calls\/mo<\/span><span class=\"mv m-quota\">5,000 calls\/mo<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">$49\/mo<\/span><span class=\"wy w-all\">Ranked coins and market caps on a small quota.<\/span><span class=\"wy w-quota\">5,000 calls a month.<\/span><span class=\"wy w-nokey\">Free key required, no card.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">Startup at $49 gives 1,000,000 calls.<\/span><\/div><\/div><div class=\"cs-pick-row r-coinlore\"><span class=\"rk\"><span class=\"k-all\">19<\/span><span class=\"k-quota\">20<\/span><span class=\"k-nokey\">8<\/span><span class=\"k-ai\">15<\/span><span class=\"k-upgrade\">21<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">CoinLore<\/span><span class=\"mv m-all\">No hard limit, ~1 req\/s<\/span><span class=\"mv m-quota\">No hard limit, ~1 req\/s<\/span><span class=\"mv m-nokey\">None<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">No paid tier<\/span><span class=\"wy w-all\">Fastest zero-setup price call there is.<\/span><span class=\"wy w-quota\">No published cap, about 1 req\/s.<\/span><span class=\"wy w-nokey\">No key, no signup.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">No paid tier exists.<\/span><\/div><\/div><div class=\"cs-pick-row r-dia\"><span class=\"rk\"><span class=\"k-all\">18<\/span><span class=\"k-quota\">21<\/span><span class=\"k-nokey\">9<\/span><span class=\"k-ai\">16<\/span><span class=\"k-upgrade\">19<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">DIA<\/span><span class=\"mv m-all\">Free, limits not published<\/span><span class=\"mv m-quota\">Free, limits not published<\/span><span class=\"mv m-nokey\">None<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">Custom<\/span><span class=\"wy w-all\">Oracle prices for long-tail tokens, keyless.<\/span><span class=\"wy w-quota\">No published cap.<\/span><span class=\"wy w-nokey\">No key, no signup.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">Custom feeds via sales only.<\/span><\/div><\/div><div class=\"cs-pick-row r-cm\"><span class=\"rk\"><span class=\"k-all\">20<\/span><span class=\"k-quota\">1<\/span><span class=\"k-nokey\">10<\/span><span class=\"k-ai\">17<\/span><span class=\"k-upgrade\">20<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Coin Metrics Community API<\/span><span class=\"mv m-all\">10 req \/ 6 s per IP<\/span><span class=\"mv m-quota\">10 req \/ 6 s per IP<\/span><span class=\"mv m-nokey\">None<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">Not listed<\/span><span class=\"wy w-all\">Institutional metrics with no key.<\/span><span class=\"wy w-quota\">10 requests every 6 seconds, no monthly cap.<\/span><span class=\"wy w-nokey\">No key, no signup.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">Enterprise pricing only.<\/span><\/div><\/div><div class=\"cs-pick-row r-graph\"><span class=\"rk\"><span class=\"k-all\">3<\/span><span class=\"k-quota\">10<\/span><span class=\"k-nokey\">16<\/span><span class=\"k-ai\">2<\/span><span class=\"k-upgrade\">1<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">The Graph<\/span><span class=\"mv m-all\">100,000 queries\/mo<\/span><span class=\"mv m-quota\">100,000 queries\/mo<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">MCP<\/span><span class=\"mv m-upgrade\">$4\/mo<\/span><span class=\"wy w-all\">Custom indexed data, 100,000 free queries.<\/span><span class=\"wy w-quota\">100,000 queries a month.<\/span><span class=\"wy w-nokey\">Free Studio account required.<\/span><span class=\"wy w-ai\">Official MCP servers for subgraphs.<\/span><span class=\"wy w-upgrade\">$4 a month for 300,000 queries.<\/span><\/div><\/div><div class=\"cs-pick-row r-chainbase\"><span class=\"rk\"><span class=\"k-all\">6<\/span><span class=\"k-quota\">9<\/span><span class=\"k-nokey\">17<\/span><span class=\"k-ai\">5<\/span><span class=\"k-upgrade\">10<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Chainbase<\/span><span class=\"mv m-all\">200,000 credits\/mo<\/span><span class=\"mv m-quota\">200,000 credits\/mo<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">MCP<\/span><span class=\"mv m-upgrade\">$99\/mo<\/span><span class=\"wy w-all\">200,000 free credits a month, REST and SQL.<\/span><span class=\"wy w-quota\">200,000 credits a month.<\/span><span class=\"wy w-nokey\">Free key required, no card.<\/span><span class=\"wy w-ai\">Official Chainbase MCP Server.<\/span><span class=\"wy w-upgrade\">Developer at $99 a month.<\/span><\/div><\/div><div class=\"cs-pick-row r-routescan\"><span class=\"rk\"><span class=\"k-all\">5<\/span><span class=\"k-quota\">2<\/span><span class=\"k-nokey\">4<\/span><span class=\"k-ai\">7<\/span><span class=\"k-upgrade\">12<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Routescan<\/span><span class=\"mv m-all\">10,000\/day keyless, 100,000\/day with key<\/span><span class=\"mv m-quota\">10,000\/day keyless, 100,000\/day with key<\/span><span class=\"mv m-nokey\">None (key optional)<\/span><span class=\"mv m-ai\">MCP<\/span><span class=\"mv m-upgrade\">$160\/mo<\/span><span class=\"wy w-all\">Explorer data on 70+ EVM chains, 100,000 calls a day.<\/span><span class=\"wy w-quota\">100,000 calls a day with a free key.<\/span><span class=\"wy w-nokey\">10,000 calls a day with no key.<\/span><span class=\"wy w-ai\">Official MCP server.<\/span><span class=\"wy w-upgrade\">Standard at $160 a month.<\/span><\/div><\/div><div class=\"cs-pick-row r-goldsky\"><span class=\"rk\"><span class=\"k-all\">12<\/span><span class=\"k-quota\">18<\/span><span class=\"k-nokey\">23<\/span><span class=\"k-ai\">8<\/span><span class=\"k-upgrade\">3<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Goldsky<\/span><span class=\"mv m-all\">$100 one-time credit<\/span><span class=\"mv m-quota\">$100 one-time credit<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">MCP<\/span><span class=\"mv m-upgrade\">Usage-based<\/span><span class=\"wy w-all\">Streaming pipelines, $100 to start.<\/span><span class=\"wy w-quota\">One-time $100 credit, not a monthly quota.<\/span><span class=\"wy w-nokey\">Free account required, no card.<\/span><span class=\"wy w-ai\">Docs MCP server and agent skills.<\/span><span class=\"wy w-upgrade\">Usage-based, from roughly $37 a month.<\/span><\/div><\/div><div class=\"cs-pick-row r-ethplorer\"><span class=\"rk\"><span class=\"k-all\">21<\/span><span class=\"k-quota\">12<\/span><span class=\"k-nokey\">11<\/span><span class=\"k-ai\">18<\/span><span class=\"k-upgrade\">16<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Ethplorer<\/span><span class=\"mv m-all\">2,000 req\/day (freekey)<\/span><span class=\"mv m-quota\">2,000 req\/day (freekey)<\/span><span class=\"mv m-nokey\">None<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">Not listed<\/span><span class=\"wy w-all\">Ethereum token data with the shared freekey.<\/span><span class=\"wy w-quota\">2,000 requests a day on freekey.<\/span><span class=\"wy w-nokey\">Shared freekey, no signup.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">Paid pricing not published.<\/span><\/div><\/div><div class=\"cs-pick-row r-blockscout\"><span class=\"rk\"><span class=\"k-all\">13<\/span><span class=\"k-quota\">3<\/span><span class=\"k-nokey\">5<\/span><span class=\"k-ai\">19<\/span><span class=\"k-upgrade\">7<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Blockscout<\/span><span class=\"mv m-all\">Free reads; PRO free 100,000 credits\/day<\/span><span class=\"mv m-quota\">Free reads; PRO free 100,000 credits\/day<\/span><span class=\"mv m-nokey\">None (PRO key optional)<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">$49\/mo (PRO)<\/span><span class=\"wy w-all\">Open-source explorer data, plus a 100,000-a-day PRO plan.<\/span><span class=\"wy w-quota\">100,000 PRO credits a day at 5 req\/s.<\/span><span class=\"wy w-nokey\">No key for public reads.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">PRO at $49 a month.<\/span><\/div><\/div><div class=\"cs-pick-row r-mempool\"><span class=\"rk\"><span class=\"k-all\">14<\/span><span class=\"k-quota\">22<\/span><span class=\"k-nokey\">7<\/span><span class=\"k-ai\">20<\/span><span class=\"k-upgrade\">22<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">mempool.space<\/span><span class=\"mv m-all\">Free, limits not published<\/span><span class=\"mv m-quota\">Free, limits not published<\/span><span class=\"mv m-nokey\">None<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">No paid tier<\/span><span class=\"wy w-all\">Bitcoin fees and blocks, keyless.<\/span><span class=\"wy w-quota\">No published cap, 429 on abuse.<\/span><span class=\"wy w-nokey\">No key, no signup.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">No paid tier, self-host instead.<\/span><\/div><\/div><div class=\"cs-pick-row r-llama\"><span class=\"rk\"><span class=\"k-all\">4<\/span><span class=\"k-quota\">19<\/span><span class=\"k-nokey\">2<\/span><span class=\"k-ai\">10<\/span><span class=\"k-upgrade\">14<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">DefiLlama<\/span><span class=\"mv m-all\">Free, ~31 endpoints<\/span><span class=\"mv m-quota\">Free, ~31 endpoints<\/span><span class=\"mv m-nokey\">None<\/span><span class=\"mv m-ai\">MCP (paid)<\/span><span class=\"mv m-upgrade\">$300\/mo<\/span><span class=\"wy w-all\">Every DeFi number you need, keyless.<\/span><span class=\"wy w-quota\">No published cap on free endpoints.<\/span><span class=\"wy w-nokey\">No key, no signup.<\/span><span class=\"wy w-ai\">MCP server exists but bills on paid plans.<\/span><span class=\"wy w-upgrade\">Pro at $300 a month.<\/span><\/div><\/div><div class=\"cs-pick-row r-dexscreener\"><span class=\"rk\"><span class=\"k-all\">8<\/span><span class=\"k-quota\">4<\/span><span class=\"k-nokey\">3<\/span><span class=\"k-ai\">12<\/span><span class=\"k-upgrade\">18<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">DEX Screener<\/span><span class=\"mv m-all\">60 req\/min<\/span><span class=\"mv m-quota\">60 req\/min<\/span><span class=\"mv m-nokey\">None<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">Not listed<\/span><span class=\"wy w-all\">Live DEX pairs with no key.<\/span><span class=\"wy w-quota\">60 a minute, about 86,000 a day.<\/span><span class=\"wy w-nokey\">No key, no signup.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">Paid pricing shown only at checkout.<\/span><\/div><\/div><div class=\"cs-pick-row r-oneinch\"><span class=\"rk\"><span class=\"k-all\">7<\/span><span class=\"k-quota\">11<\/span><span class=\"k-nokey\">18<\/span><span class=\"k-ai\">3<\/span><span class=\"k-upgrade\">11<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">1inch<\/span><span class=\"mv m-all\">100,000 calls\/mo, 60 req\/min<\/span><span class=\"mv m-quota\">100,000 calls\/mo, 60 req\/min<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">MCP<\/span><span class=\"mv m-upgrade\">$149\/mo<\/span><span class=\"wy w-all\">Swap quotes on 13+ chains, 100,000 free calls.<\/span><span class=\"wy w-quota\">100,000 calls a month at 60 a minute.<\/span><span class=\"wy w-nokey\">Free key required, no card.<\/span><span class=\"wy w-ai\">Official MCP server for swaps.<\/span><span class=\"wy w-upgrade\">Startup at $149 a month, billed yearly.<\/span><\/div><\/div><div class=\"cs-pick-row r-jupiter\"><span class=\"rk\"><span class=\"k-all\">11<\/span><span class=\"k-quota\">5<\/span><span class=\"k-nokey\">6<\/span><span class=\"k-ai\">11<\/span><span class=\"k-upgrade\">2<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Jupiter<\/span><span class=\"mv m-all\">0.5 req\/s keyless, 1 req\/s with key<\/span><span class=\"mv m-quota\">0.5 req\/s keyless, 1 req\/s with key<\/span><span class=\"mv m-nokey\">None (key optional)<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">$25\/mo<\/span><span class=\"wy w-all\">Solana swap quotes, free by default.<\/span><span class=\"wy w-quota\">1 request a second, no credit cap.<\/span><span class=\"wy w-nokey\">Keyless at 0.5 requests a second.<\/span><span class=\"wy w-ai\">No official MCP server.<\/span><span class=\"wy w-upgrade\">Developer at $25 a month.<\/span><\/div><\/div><div class=\"cs-pick-row r-opensea\"><span class=\"rk\"><span class=\"k-all\">10<\/span><span class=\"k-quota\">6<\/span><span class=\"k-nokey\">13<\/span><span class=\"k-ai\">6<\/span><span class=\"k-upgrade\">17<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">OpenSea<\/span><span class=\"mv m-all\">600 reads\/hr<\/span><span class=\"mv m-quota\">600 reads\/hr<\/span><span class=\"mv m-nokey\">Instant key, no card<\/span><span class=\"mv m-ai\">MCP<\/span><span class=\"mv m-upgrade\">Not listed<\/span><span class=\"wy w-all\">Marketplace data with an instant key.<\/span><span class=\"wy w-quota\">600 reads an hour, about 14,000 a day.<\/span><span class=\"wy w-nokey\">Instant key from one POST call.<\/span><span class=\"wy w-ai\">Official MCP server with keyless mode.<\/span><span class=\"wy w-upgrade\">Paid pricing not published.<\/span><\/div><\/div><div class=\"cs-pick-row r-nftscan\"><span class=\"rk\"><span class=\"k-all\">15<\/span><span class=\"k-quota\">8<\/span><span class=\"k-nokey\">19<\/span><span class=\"k-ai\">21<\/span><span class=\"k-upgrade\">13<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">NFTScan<\/span><span class=\"mv m-all\">10,000 req\/day<\/span><span class=\"mv m-quota\">10,000 req\/day<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">$199 prepaid<\/span><span class=\"wy w-all\">Collectible metadata on 20 chains.<\/span><span class=\"wy w-quota\">10,000 requests a day.<\/span><span class=\"wy w-nokey\">Free key issued automatically.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">$199 prepaid minimum.<\/span><\/div><\/div><div class=\"cs-pick-row r-santiment\"><span class=\"rk\"><span class=\"k-all\">17<\/span><span class=\"k-quota\">17<\/span><span class=\"k-nokey\">21<\/span><span class=\"k-ai\">22<\/span><span class=\"k-upgrade\">6<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Santiment<\/span><span class=\"mv m-all\">1,000 calls\/mo<\/span><span class=\"mv m-quota\">1,000 calls\/mo<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">$49\/mo<\/span><span class=\"wy w-all\">Social and dev metrics, small free quota.<\/span><span class=\"wy w-quota\">1,000 calls a month.<\/span><span class=\"wy w-nokey\">Free key required, no card.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">Pro at $49 a month.<\/span><\/div><\/div><div class=\"cs-pick-row r-lunar\"><span class=\"rk\"><span class=\"k-all\">22<\/span><span class=\"k-quota\">16<\/span><span class=\"k-nokey\">22<\/span><span class=\"k-ai\">9<\/span><span class=\"k-upgrade\">8<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">LunarCrush<\/span><span class=\"mv m-all\">100 req\/day, market data only<\/span><span class=\"mv m-quota\">100 req\/day, market data only<\/span><span class=\"mv m-nokey\">Free key, no card<\/span><span class=\"mv m-ai\">MCP<\/span><span class=\"mv m-upgrade\">$90\/mo<\/span><span class=\"wy w-all\">Social scores, but paid; free is market data.<\/span><span class=\"wy w-quota\">100 requests a day.<\/span><span class=\"wy w-nokey\">Free key required, no card.<\/span><span class=\"wy w-ai\">Official MCP server.<\/span><span class=\"wy w-upgrade\">Individual at $90 a month.<\/span><\/div><\/div><div class=\"cs-pick-row r-feargreed\"><span class=\"rk\"><span class=\"k-all\">23<\/span><span class=\"k-quota\">23<\/span><span class=\"k-nokey\">12<\/span><span class=\"k-ai\">23<\/span><span class=\"k-upgrade\">23<\/span><\/span><div class=\"cs-pick-body\"><span class=\"nm\">Alternative.me Fear &#038; Greed<\/span><span class=\"mv m-all\">Free, no stated limit<\/span><span class=\"mv m-quota\">Free, no stated limit<\/span><span class=\"mv m-nokey\">None<\/span><span class=\"mv m-ai\">No<\/span><span class=\"mv m-upgrade\">No paid tier<\/span><span class=\"wy w-all\">One sentiment number, zero setup.<\/span><span class=\"wy w-quota\">No stated limit.<\/span><span class=\"wy w-nokey\">No key, no signup.<\/span><span class=\"wy w-ai\">No MCP server.<\/span><span class=\"wy w-upgrade\">No paid tier exists.<\/span><\/div><\/div><\/div><p class=\"cs-pick-note\">Top 8 shown per priority. All 23 are scored. Verified September 2026.<\/p><\/div>\n\n<h2 id=\"cat-market\">Free market data APIs: prices, tickers, and history<\/h2>\n<p>Market data APIs return prices, volumes, and history for coins, not wallets. They are the most common free crypto API and the easiest to swap. Seven made the cut, and the first one also reads wallets.<\/p>\n<h3 id=\"p1\" class=\"cs-ph3\">CoinStats API<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">1<\/span><span class=\"cs-prov-name\">CoinStats API<\/span><span class=\"cs-bestfor\">Best for: market, wallet and DeFi data on one key<\/span><\/div><p><a href=\"https:\/\/coinstats.app\/api\/\">CoinStats Crypto API<\/a> returns market, wallet, DeFi, and token-risk data from one key. The free tier includes 20,000 credits a month at 2 requests a second. Commercial use is allowed, and no card is needed.<\/p><p>It covers 100,000+ coins, 200+ exchanges, and 120+ blockchains, 74 of them EVM. That mix is why portfolio apps and AI agents start here.<\/p><ul><li>Live prices and market data for 100,000+ coins across 200+ exchanges.<\/li><li>Wallet balances and token holdings across 120+ blockchains in one response.<\/li><li>DeFi positions across 10,000+ protocols: staking, lending, and liquidity pools.<\/li><li>Token Risks endpoint flags honeypots and risky contracts on the free tier.<\/li><li>REST plus an MCP Server with 20+ tools for AI agents.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 20,000 credits\/mo<\/span><span><b>Rate limit:<\/b> 2 req\/s<\/span><span><b>Entry price:<\/b> from $49\/mo<\/span><span><b>AI:<\/b> REST + MCP<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Credits are weighted. A coin lookup costs 1 or 2 credits, a wallet balance 40 to 50, DeFi data 400. CoinStats API is read-side data, not a node or a trading layer.<\/div><\/div>\n\n<p>One practical example. A portfolio tracker needs balances, DeFi, and prices for each user. With separate providers, that is three integrations and a lot of glue.<\/p>\n<p>With one schema, it is one call per wallet. Need the wider market picture? Our <a href=\"https:\/\/coinstats.app\/blog\/best-crypto-api\/\">best crypto API guide<\/a> covers it in depth.<\/p>\n<figure class=\"cs-fig\"><div class=\"cs-figswipe\">Swipe to see the full diagram<\/div><div class=\"cs-fig-tw\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"cs-one\" viewBox=\"0 0 960 620\" width=\"100%\" preserveAspectRatio=\"xMidYMid meet\" role=\"img\" aria-labelledby=\"csOneTitle csOneDesc\">\n<title id=\"csOneTitle\">One free key, four data types<\/title>\n<desc id=\"csOneDesc\">A dark rounded panel. The eyebrow reads One free key. The headline reads One key. Four data types. One schema. The subtitle reads CoinStats API free tier: 20,000 credits a month, 2 requests a second. On the left a gradient pill shows the header name X-API-KEY, labelled One free key, no card. Four lines fan out from the pill to four cards on the right. Market data: 100,000+ coins, 200+ exchanges. Wallet balances: 120+ blockchains, 74 EVM. DeFi positions: 10,000+ protocols. Token risk: Token Risks endpoint, on the free tier. Under the cards a gradient badge reads One response shape, with the line Same JSON for every data type. The closing line reads Four integrations become one.<\/desc>\n<defs>\n<linearGradient id=\"csOneGrad\" x1=\"0\" y1=\"0\" x2=\"1\" y2=\"0\"><stop offset=\"0\" stop-color=\"#C238E8\"\/><stop offset=\"1\" stop-color=\"#FF4F7C\"\/><\/linearGradient>\n<\/defs>\n<style>\n.cs-one text{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;}\n.cs-one .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,'Liberation Mono',monospace;}\n.cs-one .an{animation-duration:21s;animation-iteration-count:infinite;animation-timing-function:cubic-bezier(.25,.6,.35,1);}\n.cs-one .tb{transform-box:fill-box;transform-origin:50% 50%;}\n.cs-one .o1k1{animation-name:o1k1}\n.cs-one .o1k2{animation-name:o1k2}\n.cs-one .o1k3{animation-name:o1k3}\n.cs-one .o1k4{animation-name:o1k4}\n.cs-one .o1k5{animation-name:o1k5}\n.cs-one .o1k6{animation-name:o1k6}\n.cs-one .o1k7{animation-name:o1k7}\n.cs-one .o1k8{animation-name:o1k8}\n.cs-one .o1k9{animation-name:o1k9}\n.cs-one .o1k10{animation-name:o1k10}\n.cs-one .o1k11{animation-name:o1k11}\n.cs-one .o1k12{animation-name:o1k12}\n.cs-one .o1k13{animation-name:o1k13}\n@keyframes o1k1{0%,1%{opacity:0;transform:translateY(8px)}5%,100%{opacity:1;transform:none}}\n@keyframes o1k2{0%,5%{opacity:0;transform:scale(.92)}10%,100%{opacity:1;transform:none}}\n@keyframes o1k3{0%,10%{opacity:0;transform:translateX(12px)}14%,100%{opacity:1;transform:none}}\n@keyframes o1k4{0%,14%{stroke-dashoffset:1}19%,100%{stroke-dashoffset:0}}\n@keyframes o1k5{0%,19%{opacity:0}22%,100%{opacity:1}}\n@keyframes o1k6{0%,18%{stroke-dashoffset:1}23%,100%{stroke-dashoffset:0}}\n@keyframes o1k7{0%,23%{opacity:0}26%,100%{opacity:1}}\n@keyframes o1k8{0%,22%{stroke-dashoffset:1}27%,100%{stroke-dashoffset:0}}\n@keyframes o1k9{0%,27%{opacity:0}30%,100%{opacity:1}}\n@keyframes o1k10{0%,26%{stroke-dashoffset:1}31%,100%{stroke-dashoffset:0}}\n@keyframes o1k11{0%,31%{opacity:0}34%,100%{opacity:1}}\n@keyframes o1k12{0%,34%{opacity:0;transform:scale(.94)}38%,100%{opacity:1;transform:none}}\n@keyframes o1k13{0%,38%{opacity:0;transform:translateY(6px)}42%,100%{opacity:1;transform:none}}\n@media (prefers-reduced-motion: reduce){.cs-one *{animation:none!important;}}\n<\/style>\n<rect x=\"0\" y=\"0\" width=\"960\" height=\"620\" rx=\"14\" fill=\"#1A1B2E\"\/>\n\n<!-- 1. header -->\n<g class=\"an o1k1\">\n<text x=\"40\" y=\"58\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:700;text-anchor:start;letter-spacing:0.12em\">ONE FREE KEY<\/text>\n<text x=\"40\" y=\"100\" fill=\"#FFFFFF\" style=\"font-size:34px;font-weight:700;text-anchor:start\">One key. Four data types. One schema.<\/text>\n<text x=\"40\" y=\"134\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:500;text-anchor:start\">CoinStats API free tier: 20,000 credits a month, 2 requests a second.<\/text>\n<\/g>\n\n<!-- 2. the key pill -->\n<g class=\"an tb o1k2\">\n<rect x=\"40\" y=\"275\" width=\"260\" height=\"56\" rx=\"28\" fill=\"url(#csOneGrad)\"\/>\n<text class=\"mono\" x=\"170\" y=\"311\" fill=\"#FFFFFF\" style=\"font-size:24px;font-weight:700;text-anchor:middle\">X-API-KEY<\/text>\n<text x=\"170\" y=\"362\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:500;text-anchor:middle\">One free key, no card<\/text>\n<\/g>\n\n<!-- 3. four card shells -->\n<g class=\"an o1k3\">\n<rect x=\"430\" y=\"160\" width=\"490\" height=\"64\" rx=\"12\" fill=\"#3E3D52\" fill-opacity=\"0.45\" stroke=\"#3E3D52\" stroke-width=\"1.5\"\/>\n<text x=\"456\" y=\"186\" fill=\"#FFFFFF\" style=\"font-size:20px;font-weight:700;text-anchor:start\">Market data<\/text>\n<rect x=\"430\" y=\"234\" width=\"490\" height=\"64\" rx=\"12\" fill=\"#3E3D52\" fill-opacity=\"0.45\" stroke=\"#3E3D52\" stroke-width=\"1.5\"\/>\n<text x=\"456\" y=\"260\" fill=\"#FFFFFF\" style=\"font-size:20px;font-weight:700;text-anchor:start\">Wallet balances<\/text>\n<rect x=\"430\" y=\"308\" width=\"490\" height=\"64\" rx=\"12\" fill=\"#3E3D52\" fill-opacity=\"0.45\" stroke=\"#3E3D52\" stroke-width=\"1.5\"\/>\n<text x=\"456\" y=\"334\" fill=\"#FFFFFF\" style=\"font-size:20px;font-weight:700;text-anchor:start\">DeFi positions<\/text>\n<rect x=\"430\" y=\"382\" width=\"490\" height=\"64\" rx=\"12\" fill=\"#3E3D52\" fill-opacity=\"0.45\" stroke=\"#3E3D52\" stroke-width=\"1.5\"\/>\n<text x=\"456\" y=\"408\" fill=\"#FFFFFF\" style=\"font-size:20px;font-weight:700;text-anchor:start\">Token risk<\/text>\n<\/g>\n\n<!-- 4. line 1 + value 1: market data -->\n<path class=\"an o1k4\" d=\"M300 303 C 365 303, 365 192, 430 192\" fill=\"none\" stroke=\"#F355BD\" stroke-width=\"2.5\" stroke-linecap=\"round\" pathLength=\"1\" stroke-dasharray=\"1\"\/>\n<g class=\"an o1k5\">\n<circle cx=\"430\" cy=\"192\" r=\"6\" fill=\"#F355BD\"\/>\n<text x=\"456\" y=\"211\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:400;text-anchor:start\">100,000+ coins, 200+ exchanges<\/text>\n<\/g>\n\n<!-- 5. line 2 + value 2: wallet balances -->\n<path class=\"an o1k6\" d=\"M300 303 C 365 303, 365 266, 430 266\" fill=\"none\" stroke=\"#C238E8\" stroke-width=\"2.5\" stroke-linecap=\"round\" pathLength=\"1\" stroke-dasharray=\"1\"\/>\n<g class=\"an o1k7\">\n<circle cx=\"430\" cy=\"266\" r=\"6\" fill=\"#C238E8\"\/>\n<text x=\"456\" y=\"285\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:400;text-anchor:start\">120+ blockchains, 74 EVM<\/text>\n<\/g>\n\n<!-- 6. line 3 + value 3: defi positions -->\n<path class=\"an o1k8\" d=\"M300 303 C 365 303, 365 340, 430 340\" fill=\"none\" stroke=\"#FF7E55\" stroke-width=\"2.5\" stroke-linecap=\"round\" pathLength=\"1\" stroke-dasharray=\"1\"\/>\n<g class=\"an o1k9\">\n<circle cx=\"430\" cy=\"340\" r=\"6\" fill=\"#FF7E55\"\/>\n<text x=\"456\" y=\"359\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:400;text-anchor:start\">10,000+ protocols<\/text>\n<\/g>\n\n<!-- 7. line 4 + value 4: token risk -->\n<path class=\"an o1k10\" d=\"M300 303 C 365 303, 365 414, 430 414\" fill=\"none\" stroke=\"#FF9332\" stroke-width=\"2.5\" stroke-linecap=\"round\" pathLength=\"1\" stroke-dasharray=\"1\"\/>\n<g class=\"an o1k11\">\n<circle cx=\"430\" cy=\"414\" r=\"6\" fill=\"#FF9332\"\/>\n<text x=\"456\" y=\"433\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:400;text-anchor:start\">Token Risks endpoint, on the free tier<\/text>\n<\/g>\n\n<!-- 8. one-schema badge -->\n<g class=\"an tb o1k12\">\n<rect x=\"430\" y=\"468\" width=\"490\" height=\"52\" rx=\"26\" fill=\"url(#csOneGrad)\"\/>\n<text x=\"675\" y=\"502\" fill=\"#FFFFFF\" style=\"font-size:22px;font-weight:700;text-anchor:middle\">One response shape<\/text>\n<text x=\"675\" y=\"550\" fill=\"#A8A4B8\" style=\"font-size:20px;font-weight:500;text-anchor:middle\">Same JSON for every data type.<\/text>\n<\/g>\n\n<!-- 9. closing line -->\n<g class=\"an o1k13\">\n<text x=\"40\" y=\"592\" fill=\"#A8A4B8\" style=\"font-size:22px;font-weight:600;text-anchor:start\">Four integrations become one.<\/text>\n<\/g>\n<\/svg><\/div><figcaption class=\"cs-figcap\">One free key, four data types, one response shape.<\/figcaption><\/figure>\n<div style=\"background:#FFF9F5;border:1px dashed #F355BD;border-radius:14px;padding:18px 22px;margin:22px 0;\">\n<div style=\"font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:#F355BD;margin-bottom:8px;\">The formula<\/div>\n<div style=\"font-size:16px;line-height:1.6;color:#1A1B2E;font-weight:600;\">CoinStats Crypto API &#8776; live prices + wallet balances + DeFi positions + token risk, on one free key.<\/div>\n<\/div>\n<div class=\"cs-quote\">\n<div class=\"lbl\">From our founder<\/div>\n<div class=\"q\">&#8220;We built CoinStats API for one reason. Developers were stitching five services together to answer one question. Now one key returns prices, balances, DeFi, and token risk. And the free tier is a real tier, with commercial use allowed. The teams winning today ship fast on clean data.&#8221;<\/div>\n<div class=\"who\"><a href=\"https:\/\/x.com\/narek_gevorgyan\" rel=\"noopener\">Narek Gevorgyan<\/a>, founder and CEO, CoinStats<\/div>\n<\/div>\n<div style=\"margin:30px 0 8px 0;\">\n<div style=\"font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:#F355BD;margin-bottom:6px;\">Built with CoinStats API<\/div>\n<p style=\"font-size:15px;color:#5A5560;margin:0 0 14px 0;\">Open-source projects built on CoinStats API.<\/p>\n<div class=\"cs-built\" style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;\"><a href=\"https:\/\/github.com\/scsona\/crypto-pulse\" rel=\"noopener\" style=\"display:block;background:#FFFFFF;border:0.7px solid #9E9AAE;border-radius:14px;padding:16px 18px;text-decoration:none!important;\"><div style=\"font-size:15px;font-weight:800;color:#1A1B2E;margin-bottom:6px;\">crypto-pulse <span style=\"font-size:12px;font-weight:600;color:#888780;\">&#183; Python<\/span><\/div><div style=\"font-size:14px;line-height:1.55;color:#1F2024;\">Live terminal crypto dashboard and a self-updating README card.<\/div><\/a><a href=\"https:\/\/github.com\/vahan16\/coinstellations\" rel=\"noopener\" style=\"display:block;background:#FFFFFF;border:0.7px solid #9E9AAE;border-radius:14px;padding:16px 18px;text-decoration:none!important;\"><div style=\"font-size:15px;font-weight:800;color:#1A1B2E;margin-bottom:6px;\">coinstellations <span style=\"font-size:12px;font-weight:600;color:#888780;\">&#183; Kotlin<\/span><\/div><div style=\"font-size:14px;line-height:1.55;color:#1F2024;\">The market as a living night sky. One codebase, four platforms.<\/div><\/a><a href=\"https:\/\/github.com\/rafaelmrdyn\/hindsight-crypto\" rel=\"noopener\" style=\"display:block;background:#FFFFFF;border:0.7px solid #9E9AAE;border-radius:14px;padding:16px 18px;text-decoration:none!important;\"><div style=\"font-size:15px;font-weight:800;color:#1A1B2E;margin-bottom:6px;\">hindsight-crypto <span style=\"font-size:12px;font-weight:600;color:#888780;\">&#183; React<\/span><\/div><div style=\"font-size:14px;line-height:1.55;color:#1F2024;\">A what-if time machine. It replays real daily closes for any coin.<\/div><\/a><a href=\"https:\/\/github.com\/Aram8Arakelyan\/crypto-mood-ring\" rel=\"noopener\" style=\"display:block;background:#FFFFFF;border:0.7px solid #9E9AAE;border-radius:14px;padding:16px 18px;text-decoration:none!important;\"><div style=\"font-size:15px;font-weight:800;color:#1A1B2E;margin-bottom:6px;\">crypto-mood-ring <span style=\"font-size:12px;font-weight:600;color:#888780;\">&#183; JavaScript<\/span><\/div><div style=\"font-size:14px;line-height:1.55;color:#1F2024;\">A dashboard that recolors to the market&#8217;s Fear and Greed mood.<\/div><\/a><\/div>\n<\/div>\n\n<h3 id=\"p2\" class=\"cs-ph3\">CoinPaprika<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">2<\/span><span class=\"cs-prov-name\">CoinPaprika<\/span><span class=\"cs-bestfor\">Best for: no-signup price data<\/span><\/div><p>CoinPaprika serves prices, tickers, exchanges, and OHLCV history over REST. The free plan allows 20,000 calls a month with no API key. It is licensed for personal, non-commercial use.<\/p><p>It also ships an official MCP server. That makes it a quick start for agent experiments.<\/p><ul><li>20,000 calls a month, no key, no signup.<\/li><li>Free plan covers 2,000 assets with one year of daily history.<\/li><li>Tickers, exchanges, and OHLCV endpoints over plain REST.<\/li><li>Official MCP server for AI agents.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 20,000 calls\/mo<\/span><span><b>Entry price:<\/b> Starter $99\/mo<\/span><span><b>Coverage:<\/b> 2,000 assets (free)<\/span><span><b>AI:<\/b> MCP<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> The free plan is non-commercial. A monetized app needs the $99 Starter plan.<\/div><\/div>\n<h3 id=\"p3\" class=\"cs-ph3\">LiveCoinWatch<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">3<\/span><span class=\"cs-prov-name\">LiveCoinWatch<\/span><span class=\"cs-bestfor\">Best for: biggest daily price quota<\/span><\/div><p>LiveCoinWatch offers 10,000 requests a day on a free key. Prices update every two seconds. Endpoints cover coins, exchanges, history, and a market overview.<\/p><p>No paid tier is published. The site markets the API as free.<\/p><ul><li>10,000 requests a day on a free key.<\/li><li>Real-time prices with two-second updates.<\/li><li>Single-coin, coin list, and history endpoints.<\/li><li>Exchange and market overview endpoints.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 10,000 req\/day<\/span><span><b>Entry price:<\/b> Not publicly listed<\/span><span><b>Signup:<\/b> Free key, no card<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> There is no published paid plan. That means no SLA and no upgrade path.<\/div><\/div>\n<h3 id=\"p4\" class=\"cs-ph3\">Coinranking<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">4<\/span><span class=\"cs-prov-name\">Coinranking<\/span><span class=\"cs-bestfor\">Best for: coin rankings and market caps<\/span><\/div><p>Coinranking returns ranked coins, prices, market caps, and exchange data. The free plan allows 5,000 calls a month at 5 requests a second. A key is required, a card is not.<\/p><p>Paid plans add real-time DEX data as an add-on.<\/p><ul><li>Ranked coin lists with prices, market caps, and supply.<\/li><li>Exchange, market, and reference-currency endpoints.<\/li><li>5,000 free calls a month with a 5 req\/s ceiling.<\/li><li>Real-time DEX data available as a paid add-on.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 5,000 calls\/mo<\/span><span><b>Rate limit:<\/b> 5 req\/s<\/span><span><b>Entry price:<\/b> Startup $49\/mo<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> 5,000 calls a month is thin. It suits demos and low-traffic dashboards, not polling.<\/div><\/div>\n<h3 id=\"p5\" class=\"cs-ph3\">CoinLore<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">5<\/span><span class=\"cs-prov-name\">CoinLore<\/span><span class=\"cs-bestfor\">Best for: zero-setup price scripts<\/span><\/div><p>CoinLore is a keyless market-data API for 14,000+ coins. There is no signup and no published hard limit. About one request a second is the courtesy pace.<\/p><p>There is no paid tier, so there is nothing to upgrade to.<\/p><ul><li>Tickers, global stats, exchanges, and markets by coin.<\/li><li>No key, no registration, no card.<\/li><li>Roughly one request a second recommended.<\/li><li>Simple JSON, easy to script in any language.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> No key, no hard limit<\/span><span><b>Entry price:<\/b> None (no paid tier)<\/span><span><b>Coverage:<\/b> 14,000+ coins<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> No SLA and no paid path. Treat the free access as a courtesy, not a guarantee.<\/div><\/div>\n<h3 id=\"p6\" class=\"cs-ph3\">DIA<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">6<\/span><span class=\"cs-prov-name\">DIA<\/span><span class=\"cs-bestfor\">Best for: oracle-grade prices, no key<\/span><\/div><p>DIA is an oracle provider. It publishes its price feeds as a free REST API. It covers 3,000+ tokens on 65+ chains, with no key or signup.<\/p><p>Exact rate limits are not published. Paid access is a custom feed via sales.<\/p><ul><li>Trade-level price feeds for 3,000+ tokens.<\/li><li>Coverage across 65+ chains, including long-tail assets.<\/li><li>No key, no registration.<\/li><li>Same data that powers DIA oracles onchain.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> Free, no key<\/span><span><b>Rate limit:<\/b> Not published<\/span><span><b>Entry price:<\/b> Custom<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> No published rate limit and no self-serve paid plan. Build with a fallback.<\/div><\/div>\n<h3 id=\"p7\" class=\"cs-ph3\">Coin Metrics Community API<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">7<\/span><span class=\"cs-prov-name\">Coin Metrics Community API<\/span><span class=\"cs-bestfor\">Best for: institutional metrics, keyless<\/span><\/div><p>Coin Metrics Community API is a free, keyless slice of its institutional data. It returns network metrics, reference rates, and asset metadata. The limit is 10 requests every 6 seconds per IP.<\/p><p>Talos bought Coin Metrics in 2025, a deal The Block put above $100 million. The Community API is still live in September 2026.<\/p><ul><li>Onchain network metrics for major assets.<\/li><li>Reference rates and market data at daily resolution.<\/li><li>No key, no signup, Creative Commons license.<\/li><li>History is capped on free endpoints.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> No key, 10 req \/ 6 s<\/span><span><b>Entry price:<\/b> Not publicly listed<\/span><span><b>Coverage:<\/b> Major assets<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Free history is short. Fine-resolution reference rates return only a handful of points.<\/div><\/div>\n<h2 id=\"cat-onchain\">Free onchain and wallet data APIs<\/h2>\n<p>An onchain data API reads balances, transfers, and contracts, then indexes them. a16z&#8217;s 2025 State of Crypto report counted 181 million monthly active onchain addresses. Chains keep multiplying too, with L2BEAT tracking 104 Ethereum scaling projects in September 2026.<\/p>\n<p>&#8220;In crypto, the raw material is already digital, structured, and real-time,&#8221; says Jason Yanowitz, co-founder of Blockworks. Indexing turns that raw material into balances and transfers you can query.<\/p>\n<p>The eight below do that indexing for you. An RPC endpoint returns raw chain state instead, per the <a href=\"https:\/\/ethereum.org\/en\/developers\/docs\/apis\/json-rpc\/\" rel=\"noopener\">Ethereum JSON-RPC docs<\/a>. For raw node access, see our <a href=\"https:\/\/coinstats.app\/blog\/best-rpc-node-providers-for-developers-guide-reviewed\/\">RPC node providers guide<\/a>.<\/p>\n<h3 id=\"p8\" class=\"cs-ph3\">The Graph<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">8<\/span><span class=\"cs-prov-name\">The Graph<\/span><span class=\"cs-bestfor\">Best for: custom indexed data<\/span><\/div><p>The Graph is a decentralized indexing protocol. You define a subgraph, and it indexes onchain data into a GraphQL API. Subgraph Studio includes 100,000 free queries a month.<\/p><p>Paid queries start at $4 a month for 300,000. Its Token API for balances and transfers is now operated with Pinax.<\/p><ul><li>Custom subgraphs return exactly the data you model.<\/li><li>100,000 free queries a month in Subgraph Studio.<\/li><li>Coverage across 70+ networks.<\/li><li>Official MCP servers connect subgraphs to agents.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 100,000 queries\/mo<\/span><span><b>Entry price:<\/b> $4\/mo (300k queries)<\/span><span><b>Coverage:<\/b> 70+ networks<\/span><span><b>AI:<\/b> MCP<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> A custom subgraph needs schema work and indexing time. Budget days, not minutes.<\/div><\/div>\n<h3 id=\"p9\" class=\"cs-ph3\">Chainbase<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">9<\/span><span class=\"cs-prov-name\">Chainbase<\/span><span class=\"cs-bestfor\">Best for: biggest free credit pool<\/span><\/div><p>Chainbase serves indexed onchain data over REST and SQL. The free plan includes 200,000 credits a month, the largest monthly pool here. Data API calls are capped at 3 credits a second.<\/p><p>The Developer plan starts at $99 a month.<\/p><ul><li>Token, collectible, balance, and transaction endpoints.<\/li><li>SQL access to indexed datasets.<\/li><li>Ethereum, BNB Chain, Polygon, Arbitrum, Optimism, Aptos, and Sui.<\/li><li>200,000 free credits a month, no card.<\/li><li>Chainbase MCP Server and Web3 data skills for agents.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 200,000 credits\/mo<\/span><span><b>Rate limit:<\/b> 3 credits\/s<\/span><span><b>Entry price:<\/b> $99\/mo<\/span><span><b>AI:<\/b> MCP<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Pricing pages moved domains this year. Confirm the plan on platform.chainbase.com.<\/div><\/div>\n<h3 id=\"p10\" class=\"cs-ph3\">Routescan<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">10<\/span><span class=\"cs-prov-name\">Routescan<\/span><span class=\"cs-bestfor\">Best for: explorer data across 70+ EVM chains<\/span><\/div><p>Routescan is an explorer API with one base URL for 70+ EVM chains. Keyless access allows 10,000 calls a day at 2 requests a second. A free key raises that to 100,000 a day at 5 requests a second.<\/p><p>That is the largest published daily quota here. Paid plans start at $160 a month.<\/p><ul><li>Explorer-style endpoints: balances, transactions, logs, and contracts.<\/li><li>One key, 70+ EVM chains, switch by chain id.<\/li><li>Keyless 10,000 calls a day, free key 100,000 a day.<\/li><li>Official MCP server.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 100,000 calls\/day (free key)<\/span><span><b>Rate limit:<\/b> 5 req\/s<\/span><span><b>Entry price:<\/b> $160\/mo<\/span><span><b>AI:<\/b> MCP<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Older Snowtrace docs redirect here. Link the Routescan docs, not the old ones.<\/div><\/div>\n<h3 id=\"p11\" class=\"cs-ph3\">Goldsky<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">11<\/span><span class=\"cs-prov-name\">Goldsky<\/span><span class=\"cs-bestfor\">Best for: real-time indexing pipelines<\/span><\/div><p>Goldsky hosts subgraphs and streams decoded onchain data into your own database. New accounts get a one-time $100 credit across all products. No card is required.<\/p><p>Usage-based plans follow once the credit runs out.<\/p><ul><li>Subgraph hosting across 150+ chains.<\/li><li>Mirror pipelines stream data into Postgres, Kafka, and more.<\/li><li>$100 one-time credit covers subgraphs and pipelines.<\/li><li>Docs MCP server and agent skills for AI tools.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> $100 one-time credit<\/span><span><b>Entry price:<\/b> Usage-based<\/span><span><b>Coverage:<\/b> 150+ chains<\/span><span><b>AI:<\/b> MCP<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> The free credit does not renew. Model your monthly cost before it runs out.<\/div><\/div>\n<h3 id=\"p12\" class=\"cs-ph3\">Ethplorer<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">12<\/span><span class=\"cs-prov-name\">Ethplorer<\/span><span class=\"cs-bestfor\">Best for: free Ethereum token lookups<\/span><\/div><p>Ethplorer is a focused Ethereum token and wallet explorer. Its REST API returns ERC-20 balances, holders, and transfers. The shared freekey needs no signup.<\/p><p>Freekey allows 5 requests a second and 2,000 a day. A registered free key raises the rate to 10 a second.<\/p><ul><li>ETH and ERC-20 balances by address.<\/li><li>Token info, holders, and price data.<\/li><li>Address history and decoded transactions.<\/li><li>Ethereum plus BNB Chain, Blast, and Linea.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> freekey, 2,000 req\/day<\/span><span><b>Rate limit:<\/b> 5 req\/s<\/span><span><b>Entry price:<\/b> Not publicly listed<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Freekey also carries hourly and weekly caps. It is not meant for production, and paid pricing is not published.<\/div><\/div>\n<h3 id=\"p13\" class=\"cs-ph3\">Blockscout<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">13<\/span><span class=\"cs-prov-name\">Blockscout<\/span><span class=\"cs-bestfor\">Best for: open-source explorer data<\/span><\/div><p>Blockscout is the open-source explorer behind dozens of public chain explorers. Each hosted instance exposes free REST and JSON-RPC endpoints, no key needed. PRO API free plan: 100,000 credits a day at 5 req\/s.<\/p><p>Paid PRO plans start at $49 a month. You can also self-host it, which removes any rate limit.<\/p><ul><li>Addresses, transactions, tokens, and verified contracts.<\/li><li>Free public reads on every hosted instance, no key.<\/li><li>PRO API free plan: 100,000 credits a day, all chains, no card.<\/li><li>Self-host for unlimited access.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 100,000 credits\/day (PRO)<\/span><span><b>Rate limit:<\/b> 5 req\/s<\/span><span><b>Entry price:<\/b> PRO $49\/mo<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Public instances are run separately, so limits differ by chain. Use the PRO API for one key across all of them.<\/div><\/div>\n<h3 id=\"p14\" class=\"cs-ph3\">mempool.space<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">14<\/span><span class=\"cs-prov-name\">mempool.space<\/span><span class=\"cs-bestfor\">Best for: Bitcoin fees and mempool<\/span><\/div><p>mempool.space is the open-source Bitcoin explorer with a free REST and WebSocket API. It returns fee estimates, mempool state, blocks, and addresses. No key is required.<\/p><p>Heavy use gets a 429 response. Self-host for production.<\/p><ul><li>Recommended fee estimates in one call.<\/li><li>Mempool, block, and transaction data.<\/li><li>Address balances and unspent outputs.<\/li><li>Testnet, Signet, and Liquid networks too.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> Free public API, no key<\/span><span><b>Rate limit:<\/b> Not published<\/span><span><b>Entry price:<\/b> None (self-host)<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> The numeric rate limit is undisclosed. Cache responses and back off on 429s.<\/div><\/div>\n<h2 id=\"cat-defi\">Free DEX and DeFi data APIs<\/h2>\n<p>DEX and DeFi APIs track liquidity pools, swaps, and protocol deposits. Price APIs miss all three. DeFi held about $88 billion in total value locked in September 2026, per DefiLlama.<\/p>\n<p>Three free APIs cover most of that surface. For a deeper look, see our <a href=\"https:\/\/coinstats.app\/blog\/best-defi-apis-guide\/\">best DeFi APIs guide<\/a>.<\/p>\n<h3 id=\"p15\" class=\"cs-ph3\">DefiLlama<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">15<\/span><span class=\"cs-prov-name\">DefiLlama<\/span><span class=\"cs-bestfor\">Best for: DeFi TVL, yields, and volumes<\/span><\/div><p>DefiLlama is the open DeFi dashboard, and its free API needs no key. It returns TVL, prices, yields, volumes, and fees across protocols and chains. About 31 endpoints are free.<\/p><p>A Pro API at $300 a month adds more endpoints and higher limits.<\/p><ul><li>Protocol and chain TVL, current and historical.<\/li><li>Token prices, yields, DEX volumes, and fees.<\/li><li>No key, no signup.<\/li><li>Official MCP server, billed on paid plans.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> Free, no key<\/span><span><b>Rate limit:<\/b> Not published<\/span><span><b>Entry price:<\/b> Pro $300\/mo<\/span><span><b>AI:<\/b> MCP (paid)<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Free rate limits are not numeric. The MCP server bills against a paid plan.<\/div><\/div>\n<h3 id=\"p16\" class=\"cs-ph3\">DEX Screener<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">16<\/span><span class=\"cs-prov-name\">DEX Screener<\/span><span class=\"cs-bestfor\">Best for: DEX pairs and token launches<\/span><\/div><p>DEX Screener exposes the same pair data as its charts through a free API. It returns pairs, prices, liquidity, and volume by token or chain. No key is needed at 60 requests a minute per endpoint group.<\/p><p>Paid pricing is only shown at checkout.<\/p><ul><li>Pair lookups by token address or chain.<\/li><li>Price, liquidity, volume, and transaction counts.<\/li><li>Token profiles and boosted-token feeds.<\/li><li>60 requests a minute, keyless.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 60 req\/min, no key<\/span><span><b>Entry price:<\/b> Not publicly listed<\/span><span><b>Coverage:<\/b> Multichain DEX pairs<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Rate limits differ per endpoint group. Read the reference before you batch calls.<\/div><\/div>\n<h3 id=\"p17\" class=\"cs-ph3\">1inch<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">17<\/span><span class=\"cs-prov-name\">1inch<\/span><span class=\"cs-bestfor\">Best for: swap quotes and DEX aggregation<\/span><\/div><p>1inch Developer Portal gives free access to its swap, quote, orderbook, and data APIs. The free plan allows 100,000 calls a month at 60 requests a minute. No card is required.<\/p><p>The portal now lives at business.1inch.com. Paid plans start at $149 a month billed yearly.<\/p><ul><li>Swap and quote endpoints across 13+ chains.<\/li><li>Orderbook, balances, and price APIs.<\/li><li>100,000 free calls a month.<\/li><li>Official MCP server for agent swaps.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 100,000 calls\/mo<\/span><span><b>Rate limit:<\/b> 60 req\/min<\/span><span><b>Entry price:<\/b> $149\/mo (yearly)<\/span><span><b>AI:<\/b> MCP<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> The old portal.1inch.dev URL redirects. Update any saved links.<\/div><\/div>\n<h3 id=\"p18\" class=\"cs-ph3\">Jupiter<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">18<\/span><span class=\"cs-prov-name\">Jupiter<\/span><span class=\"cs-bestfor\">Best for: Solana swaps and token prices<\/span><\/div><p>Jupiter is Solana&#8217;s main swap aggregator, and its API is free by default. Keyless calls run at 0.5 requests a second. A free key doubles that to 1 request a second, with no credit cap.<\/p><p>Paid plans start at $25 a month for 10 requests a second.<\/p><ul><li>Swap quotes and routes across Solana DEXs.<\/li><li>Token prices and metadata.<\/li><li>Keyless 0.5 req\/s, free key 1 req\/s.<\/li><li>Execute calls cost 0 credits on every plan.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 1 req\/s (free key)<\/span><span><b>Rate limit:<\/b> 0.5 req\/s keyless<\/span><span><b>Entry price:<\/b> Developer $25\/mo<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> One request a second is thin for polling. Cache prices and batch tokens per call.<\/div><\/div>\n<h2 id=\"cat-nft\">Free NFT data APIs<\/h2>\n<p>NFT APIs return collections, listings, holders, and sales, which token APIs skip. Two providers still offer a real free tier in 2026. Several others shut down, and they are listed near the end.<\/p>\n<h3 id=\"p19\" class=\"cs-ph3\">OpenSea<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">19<\/span><span class=\"cs-prov-name\">OpenSea<\/span><span class=\"cs-bestfor\">Best for: NFT listings and collections<\/span><\/div><p>OpenSea API returns collections, listings, offers, and events across EVM chains and Solana. One POST call issues an instant 7-day key with 600 reads an hour. A free dashboard key lifts the 7-day expiry.<\/p><p>It also ships an official MCP server with a keyless mode.<\/p><ul><li>Collections, items, listings, and offers.<\/li><li>Events and sales history.<\/li><li>Instant keyless key for prototyping.<\/li><li>Official MCP server.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 600 reads\/hr<\/span><span><b>Entry price:<\/b> Not publicly listed<\/span><span><b>Coverage:<\/b> EVM + Solana<\/span><span><b>AI:<\/b> MCP<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Paid pricing is not public. Plan for a sales conversation at scale.<\/div><\/div>\n<h3 id=\"p20\" class=\"cs-ph3\">NFTScan<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">20<\/span><span class=\"cs-prov-name\">NFTScan<\/span><span class=\"cs-bestfor\">Best for: multichain NFT metadata<\/span><\/div><p>NFTScan indexes collectible metadata, holders, and activity across 20 chains. The free plan allows 10,000 requests a day. Keys are issued automatically.<\/p><p>Paid usage is prepaid compute units with a $199 minimum.<\/p><ul><li>Assets, collections, and holders by chain.<\/li><li>Transfer and trade activity.<\/li><li>10,000 free requests a day.<\/li><li>20 chains, EVM and beyond.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 10,000 req\/day<\/span><span><b>Entry price:<\/b> $199 prepaid minimum<\/span><span><b>Coverage:<\/b> 20 chains<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Paid pricing is prepaid credit, not a monthly plan.<\/div><\/div>\n<h2 id=\"cat-sentiment\">Free sentiment and news APIs<\/h2>\n<p>Sentiment APIs turn social chatter and onchain behavior into a score. They are signals, not prices, so pair them with a market data API. Three offer a free tier.<\/p>\n<h3 id=\"p21\" class=\"cs-ph3\">Santiment<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">21<\/span><span class=\"cs-prov-name\">Santiment<\/span><span class=\"cs-bestfor\">Best for: social and dev-activity signals<\/span><\/div><p>Santiment&#8217;s SanAPI exposes onchain, social, and development metrics. The free plan includes 1,000 calls a month across a limited metric set. Rate limits are 100 a minute and 500 an hour.<\/p><p>Sanbase Pro at $49 a month unlocks the rest.<\/p><ul><li>Social volume and sentiment metrics.<\/li><li>Developer activity by project.<\/li><li>Onchain metrics for major assets.<\/li><li>GraphQL API with SQL-style queries on paid plans.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 1,000 calls\/mo<\/span><span><b>Rate limit:<\/b> 100\/min<\/span><span><b>Entry price:<\/b> Pro $49\/mo<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> Most social metrics sit behind Pro. The free set is narrow.<\/div><\/div>\n<h3 id=\"p22\" class=\"cs-ph3\">LunarCrush<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">22<\/span><span class=\"cs-prov-name\">LunarCrush<\/span><span class=\"cs-bestfor\">Best for: social sentiment for agents<\/span><\/div><p>LunarCrush scores coins by social activity. The free Hobby plan is market-data only: 100 requests a day, 4 a minute. Social and creator endpoints need a paid plan.<\/p><p>It ships an official MCP server for Claude, ChatGPT, and Gemini.<\/p><ul><li>Market-data endpoints on the free Hobby plan.<\/li><li>Galaxy Score and social volume on paid plans.<\/li><li>100 requests a day, 4 a minute.<\/li><li>Official MCP server.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> 100 req\/day (market data)<\/span><span><b>Entry price:<\/b> Individual $90\/mo<\/span><span><b>Coverage:<\/b> Coins and creators<\/span><span><b>AI:<\/b> MCP<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> The data LunarCrush is known for is paid-only. Free means market data.<\/div><\/div>\n<h3 id=\"p23\" class=\"cs-ph3\">Alternative.me Fear &#038; Greed<\/h3>\n<div class=\"cs-prov\"><div class=\"cs-prov-head\"><span class=\"cs-rank\">23<\/span><span class=\"cs-prov-name\">Alternative.me Fear &#038; Greed<\/span><span class=\"cs-bestfor\">Best for: one sentiment number<\/span><\/div><p>Alternative.me publishes the Crypto Fear &amp; Greed Index as a free API. One endpoint returns today&#8217;s score and history. No key, no signup, no stated limit.<\/p><p>Commercial use requires visible attribution.<\/p><ul><li>Current index value and classification.<\/li><li>Full daily history.<\/li><li>No key, no card, no registration.<\/li><li>Attribution required for commercial use.<\/li><\/ul><div class=\"cs-meta\"><span><b>Free tier:<\/b> Free, no key<\/span><span><b>Entry price:<\/b> None<\/span><span><b>Coverage:<\/b> One index<\/span><span><b>AI:<\/b> No<\/span><\/div><div class=\"cs-verify\"><b>What to verify:<\/b> It is one number. Pair it with a price API for anything else.<\/div><\/div>\n\n<h2 id=\"exchanges\">Exchange public endpoints, free by design<\/h2>\n<p>Every major exchange publishes free public market-data endpoints. They cover that venue&#8217;s own order books and nothing else. Private trading endpoints need account keys.<\/p>\n<p>OKX, Bybit, and KuCoin all answer without a key. Bybit caps public calls at 600 requests every 5 seconds per IP. KuCoin allows 2,000 requests every 30 seconds.<\/p>\n<p>Hyperliquid, an onchain exchange, allows a weighted 1,200 requests a minute. None of these is ranked above, because none is an aggregator. For prices across venues, use a market data API from the first section.<\/p>\n\n\n<h2 id=\"picks\">Top picks by category<\/h2>\n<p>Short on time? Six standout picks, by job.<\/p>\n<div class=\"cs-cat-grid\"><div class=\"cs-cat\"><div class=\"lbl\">Best all-in-one free tier<\/div><div class=\"nm\">CoinStats API<\/div><p>Market, wallet, DeFi, and token risk on one free key.<\/p><p class=\"rec\">20,000 credits a month, commercial use allowed.<\/p><\/div><div class=\"cs-cat\"><div class=\"lbl\">Biggest free quota<\/div><div class=\"nm\">Routescan<\/div><p>Explorer data across 70+ EVM chains from one base URL.<\/p><p class=\"rec\">100,000 calls a day on a free key.<\/p><\/div><div class=\"cs-cat\"><div class=\"lbl\">Best no-signup price API<\/div><div class=\"nm\">CoinPaprika<\/div><p>Prices, tickers, and one year of history with no key.<\/p><p class=\"rec\">20,000 calls a month, personal use.<\/p><\/div><div class=\"cs-cat\"><div class=\"lbl\">Best for custom indexed data<\/div><div class=\"nm\">The Graph<\/div><p>Model exactly the onchain data you need with GraphQL.<\/p><p class=\"rec\">100,000 free queries, then $4 a month.<\/p><\/div><div class=\"cs-cat\"><div class=\"lbl\">Best free DeFi data<\/div><div class=\"nm\">DefiLlama<\/div><p>TVL, yields, volumes, and fees across protocols, keyless.<\/p><p class=\"rec\">No key, no signup, no card.<\/p><\/div><div class=\"cs-cat\"><div class=\"lbl\">Best free DEX data<\/div><div class=\"nm\">DEX Screener<\/div><p>Live pairs, liquidity, and volume by token or chain.<\/p><p class=\"rec\">60 requests a minute, no key.<\/p><\/div><\/div>\n\n\n<h2 id=\"usecase\">Comparison by use case<\/h2>\n<p>Pick by what you are building. Wallet-first picks live in our <a href=\"https:\/\/coinstats.app\/blog\/best-crypto-wallet-apis\/\">best crypto wallet APIs<\/a> guide. Agent-first picks live in our <a href=\"https:\/\/coinstats.app\/blog\/best-crypto-apis-for-trading-and-ai-agents\/\">crypto APIs for AI agents<\/a> guide.<\/p>\n<div class=\"cs-cat-grid\"><div class=\"cs-cat\"><h3 class=\"nm\">Portfolio trackers and wallet apps<\/h3><p><b style=\"color:#F355BD;\">Top pick: CoinStats API.<\/b> One key returns balances, DeFi, and prices per wallet across 120+ chains.<\/p><p class=\"rec\"><span class=\"alt\">Alternatives: Routescan, Ethplorer.<\/span><\/p><\/div><div class=\"cs-cat\"><h3 class=\"nm\">Price tickers and dashboards<\/h3><p><b style=\"color:#F355BD;\">Top pick: CoinPaprika.<\/b> No key, 20,000 calls a month, one year of daily history.<\/p><p class=\"rec\"><span class=\"alt\">Alternatives: LiveCoinWatch, CoinLore, Coinranking.<\/span><\/p><\/div><div class=\"cs-cat\"><h3 class=\"nm\">Custom indexed data and analytics<\/h3><p><b style=\"color:#F355BD;\">Top pick: The Graph.<\/b> Model the exact data with a subgraph and query it over GraphQL.<\/p><p class=\"rec\"><span class=\"alt\">Alternatives: Goldsky, Chainbase.<\/span><\/p><\/div><div class=\"cs-cat\"><h3 class=\"nm\">DeFi and DEX analytics<\/h3><p><b style=\"color:#F355BD;\">Top pick: DefiLlama.<\/b> TVL, yields, and volumes across protocols with no key.<\/p><p class=\"rec\"><span class=\"alt\">Alternatives: DEX Screener, 1inch, Jupiter.<\/span><\/p><\/div><div class=\"cs-cat\"><h3 class=\"nm\">Bitcoin apps<\/h3><p><b style=\"color:#F355BD;\">Top pick: mempool.space.<\/b> Fee estimates, mempool state, and blocks from one free API.<\/p><p class=\"rec\"><span class=\"alt\">Alternatives: CoinStats API for Bitcoin wallet balances.<\/span><\/p><\/div><div class=\"cs-cat\"><h3 class=\"nm\">Explorer-style lookups on EVM chains<\/h3><p><b style=\"color:#F355BD;\">Top pick: Routescan.<\/b> Balances, transactions, and logs on 70+ chains with one key.<\/p><p class=\"rec\"><span class=\"alt\">Alternatives: Blockscout, Ethplorer.<\/span><\/p><\/div><div class=\"cs-cat\"><h3 class=\"nm\">AI agents and MCP<\/h3><p><b style=\"color:#F355BD;\">Top pick: CoinStats API.<\/b> An MCP server with 20+ tools behind one login.<\/p><p class=\"rec\"><span class=\"alt\">Alternatives: CoinPaprika, The Graph, 1inch, OpenSea.<\/span><\/p><\/div><div class=\"cs-cat\"><h3 class=\"nm\">Sentiment and social signals<\/h3><p><b style=\"color:#F355BD;\">Top pick: Santiment.<\/b> Social volume and developer activity on a small free quota.<\/p><p class=\"rec\"><span class=\"alt\">Alternatives: LunarCrush, Alternative.me.<\/span><\/p><\/div><\/div>\n\n\n<h2 id=\"choose\">How to choose a free crypto API<\/h2>\n<p>Pick a free crypto API by the limit you will hit first. A 100,000-call quota behind a 5-a-minute cap is a 7,200-call day. Read the rate cap before the quota.<\/p>\n<p>Then match the data to the job. Prices only? A keyless price API is enough.<\/p>\n<p>Wallets, DeFi, and prices together? Pick the one that returns them in one schema.<\/p>\n<p>Breadth matters more than most builders expect. A price-only API looks like enough until a user asks for wallet balances. Count the data types you will need in six months, not today.<\/p>\n<p>Check the license too. A <strong>free crypto price API<\/strong> for personal use cannot ship in a paid app. CoinStats API allows commercial use on its free tier, and CoinPaprika does not.<\/p>\n<p>Then test before you commit. Run the free tier against your real endpoints. Check the response shape, the latency, and what a 429 looks like.<\/p>\n<p>A homepage logo does not prove a chain is supported. The actual response does.<\/p>\n\n\n<h2 id=\"first-request\">Your first request in one minute<\/h2>\n<p>Most free crypto APIs return your first JSON in under a minute. Here are three calls, one with a key and two without.<\/p>\n<div class=\"cs-code\"><span class=\"c\"># CoinStats API: Bitcoin price and market data (free key, 1 credit)<\/span>\nc&#117;rl -H &#8220;X-API-KEY: YOUR_KEY&#8221; &#8220;https:\/\/api.coinstats.app\/v1\/coins\/bitcoin&#8221;<\/div>\n<p>Get the key at openapi.coinstats.app. Keep it server-side, never in client code. This call costs 1 credit; a wallet balance costs 40.<\/p>\n<div class=\"cs-code\"><span class=\"c\"># CoinPaprika: Bitcoin ticker, no key<\/span>\nc&#117;rl &#8220;https:\/\/api.coinpaprika.com\/v1\/tickers\/btc-bitcoin&#8221;<\/div>\n<div class=\"cs-code\"><span class=\"c\"># mempool.space: recommended Bitcoin fees, no key<\/span>\nc&#117;rl &#8220;https:\/\/mempool.space\/api\/v1\/fees\/recommended&#8221;<\/div>\n<p>Three habits save quota. Cache anything that changes slower than you poll, and back off on a 429. Log credits per endpoint from day one.<\/p>\n\n\n<h2 id=\"avoid\">APIs we do not recommend<\/h2>\n<p>Six well-known crypto APIs lost or never had a free tier by September 2026. Three more are trial-only or stale. We checked each one, so you do not have to.<\/p>\n<div class=\"cs-avoid\"><div class=\"nm\">CoinCap v2<span class=\"tag\">shut down 2025<\/span><\/div><p>CoinCap&#8217;s keyless v2 API shut down in 2025, and api.coincap.io no longer resolves. The v3 successor needs a key and allows 500 credits a month. Any tutorial still calling v2 is broken.<\/p><\/div><div class=\"cs-avoid\"><div class=\"nm\">Dune Sim<span class=\"tag\">shut down Aug 2026<\/span><\/div><p>Dune closed Sim signups on May 18, 2026. It shut the API on August 1, 2026, per its own announcement. Our <a href=\"https:\/\/coinstats.app\/blog\/top-dune-sim-api-alternatives-for-crypto-data\/\">Dune Sim alternatives guide<\/a> covers where to go next.<\/p><\/div><div class=\"cs-avoid\"><div class=\"nm\">Reservoir<span class=\"tag\">shut down Oct 2025<\/span><\/div><p>Reservoir sunset its marketplace API on October 15, 2025 and moved on to Relay. The endpoints are gone.<\/p><\/div><div class=\"cs-avoid\"><div class=\"nm\">SimpleHash<span class=\"tag\">shut down Mar 2025<\/span><\/div><p>SimpleHash shut down on March 27, 2025 after Phantom acquired it. Its token and collectible endpoints no longer exist.<\/p><\/div><div class=\"cs-avoid\"><div class=\"nm\">Magic Eden API<span class=\"tag\">Bitcoin and EVM gone<\/span><\/div><p>Magic Eden shut its Bitcoin and EVM APIs after March 27, 2026. Only the Solana API remains, and Magic Eden says it is being evaluated.<\/p><\/div><div class=\"cs-avoid\"><div class=\"nm\">Messari<span class=\"tag\">sales-only since Jun 2026<\/span><\/div><p>Blockworks acquired Messari in June 2026. Its API page now routes to sales, with no self-serve free tier.<\/p><\/div><div class=\"cs-avoid\"><div class=\"nm\">Coinglass and Glassnode<span class=\"tag\">no free API tier<\/span><\/div><p>Both are solid products with no free API tier. Coinglass starts at $29 a month. Glassnode&#8217;s cheapest API access is a limited Light API at $49 a month, yearly.<\/p><\/div><div class=\"cs-avoid\"><div class=\"nm\">GoldRush (Covalent)<span class=\"tag\">trial only<\/span><\/div><p>GoldRush offers 25,000 credits for 14 days, then $10 a month. It is a good multichain API with no recurring free tier.<\/p><\/div><div class=\"cs-avoid\"><div class=\"nm\">Unmarshal<span class=\"tag\">stale<\/span><\/div><p>Unmarshal&#8217;s site shows no recent dated updates, and pricing is not published. We could not confirm the API is maintained, so it is out.<\/p><\/div>\n<p>&#8220;CoinCap retired its free, keyless v2 API (the host no longer resolves) and v3 now requires an account and key,&#8221; says Mateusz Sroka, Lead Developer Advocate at CoinPaprika, in his migration guide. If your code still calls v2, it is already broken.<\/p>\n<p>Dune was candid about why Sim went. &#8220;Sim served a real need, but it pulled focus from where we believe Dune wins: being the read layer for onchain data,&#8221; says Mats Olsen, co-founder and CTO at Dune, in the sunset announcement.<\/p>\n<p>One more warning that applies to this list too. CoinStats API, Chainbase, and Blockscout PRO bill in credits, not calls. Read the per-endpoint cost before you assume 20,000 means 20,000.<\/p>\n\n\n<h2 id=\"conclusion\">Conclusion: match the free tier to the limit you will hit first<\/h2>\n<p>The best free crypto API is the one whose limit you never reach. For most apps that is CoinStats API, with four data types on one key. For a price ticker with no signup, it is CoinPaprika or CoinLore.<\/p>\n<p>For onchain data, start with The Graph or Routescan. For DeFi, DefiLlama. For Bitcoin, mempool.space.<\/p>\n<p>SlashData counts just over 47 million developers worldwide in 2025. For most, a free tier is the first crypto data they will touch. Pick the one that still works next year.<\/p>\n<p>Building on one chain? See our <a href=\"https:\/\/coinstats.app\/blog\/7-best-ethereum-apis-for-wallet-defi-market-data\/\">best Ethereum APIs<\/a> and <a href=\"https:\/\/coinstats.app\/blog\/best-solana-api\/\">best Solana APIs<\/a> guides.<\/p>\n<div class=\"cs-ugc-reddit\">\n<div class=\"cs-ugc-top\"><span style=\"display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:#1A1B2E;color:#FFFFFF;font-weight:800;font-size:13px;\">r<\/span><span class=\"cs-ugc-sub\">r\/CryptoTechnology<\/span><span>&#183; the question that keeps coming up<\/span><\/div>\n<div class=\"cs-ugc-body\">&#8220;Are there any good free APIs that provide stats on crypto? I need prices, market caps, and ideally wallet balances. I do not want to pay before I have users.&#8221;<\/div>\n<div class=\"cs-ugc-vote\">&#9650; representative thread &#183; recurring topic<\/div>\n<\/div>\n<p style=\"font-size:15px;color:#9E9AAE;margin-top:-8px;\">Representative of recurring r\/CryptoTechnology and r\/CryptoCurrency threads on free crypto APIs.<\/p>\n<div class=\"cs-readmore\">\n<a href=\"https:\/\/dev.to\/er-raj-aryan\/build-a-cryptocurrency-web-app-using-react-or-nextjs-2m7\" rel=\"noopener\"><b>dev.to &#183;<\/b> Build a Cryptocurrency Web App Using React or Next.js. A live price tracker on a free, keyless price API.<\/a>\n<a href=\"https:\/\/medium.com\/coinmonks\/top-5-cryptocurrency-data-apis-comprehensive-comparison-2025-626450b7ff7b\" rel=\"noopener\"><b>Medium (Coinmonks) &#183;<\/b> Top Cryptocurrency Data APIs, compared side by side. Free tiers, data depth, and pricing.<\/a>\n<a href=\"https:\/\/github.com\/CoinQuanta\/awesome-crypto-api\" rel=\"noopener\"><b>GitHub &#183;<\/b> awesome-crypto-api. A collaborative list of cryptocurrency APIs.<\/a>\n<a href=\"https:\/\/github.com\/narekgevorgyan\/free-crypto-apis\" rel=\"noopener\"><b>GitHub &#183;<\/b> free-crypto-apis. 100+ free and free-tier crypto APIs, in seven categories.<\/a>\n<\/div>\n\n\n<div class=\"cs-cat\" style=\"margin-top:22px;\">\n<div class=\"lbl\">Written by<\/div>\n<div class=\"nm\">Tigran Mkrtchyan<\/div>\n<p>Tigran is Head of Digital Marketing at CoinStats, working across crypto and consumer apps. His writing covers first-hand crypto experience and marketing case studies from that work. He speaks at MAU Vegas, Business of Apps Berlin, and App Promotion Summit London.<\/p>\n<p class=\"rec\">More from <a href=\"https:\/\/coinstats.app\/blog\/author\/tigran\/\">Tigran on the CoinStats blog<\/a> &#183; <a href=\"https:\/\/www.linkedin.com\/in\/mkrtchyantigran\/\" rel=\"noopener\">LinkedIn<\/a> &#183; <a href=\"https:\/\/x.com\/tigran_mk\" rel=\"noopener\">X<\/a><\/p>\n<\/div>\n\n<h2 id=\"faq\">Frequently asked questions about free crypto APIs<\/h2><p>Common questions developers ask before picking a free crypto API.<\/p><div class=\"cs-faq\"><div class=\"cs-faq-tabs\"><button class=\"cs-faq-tab active\" data-tab=\"general\">General<\/button><button class=\"cs-faq-tab\" data-tab=\"data\">Data and access<\/button><button class=\"cs-faq-tab\" data-tab=\"pricing\">Pricing and limits<\/button><button class=\"cs-faq-tab\" data-tab=\"choosing\">Choosing<\/button><\/div><div class=\"cs-faq-panel active\" data-panel=\"general\"><details><summary>What is a free crypto API?<\/summary><div class=\"a\">A free crypto API is a data endpoint you can call without paying. Each stops at a published limit: a quota, a rate cap, or a license. Most return prices, wallet balances, or onchain data as JSON.<\/div><\/details><details><summary>What is an API key in crypto?<\/summary><div class=\"a\">An API key is a token that identifies your app to a data provider. You send it in a request header such as X-API-KEY. A free key tracks your quota and gives no access to any funds.<\/div><\/details><details><summary>Is there a free crypto API with no API key?<\/summary><div class=\"a\">Yes. CoinPaprika, CoinLore, DefiLlama, DEX Screener, mempool.space, and DIA all answer without a key. Keyless access usually comes with lower or unpublished rate limits.<\/div><\/details><\/div><div class=\"cs-faq-panel\" data-panel=\"data\"><details><summary>Is there a free crypto price API?<\/summary><div class=\"a\">Yes. CoinStats API, CoinPaprika, LiveCoinWatch, Coinranking, and CoinLore all return prices free. CoinStats API adds wallet and DeFi data on the same key.<\/div><\/details><details><summary>Which free crypto API has historical price data?<\/summary><div class=\"a\">CoinPaprika includes one year of daily history on its free plan. CoinStats API returns chart history on free credits. Coin Metrics Community API offers daily reference rates with a capped history.<\/div><\/details><details><summary>Which free crypto API works with AI agents and MCP?<\/summary><div class=\"a\">CoinStats API, CoinPaprika, The Graph, Chainbase, 1inch, OpenSea, Routescan, and Goldsky ship MCP servers. LunarCrush does too. MCP is becoming a baseline feature, so judge the data underneath.<\/div><\/details><details><summary>Are exchange APIs free?<\/summary><div class=\"a\">Yes, every major exchange publishes free public market-data endpoints. They cover only that exchange&#8217;s own markets. For prices across venues, use an aggregator such as CoinStats API or CoinPaprika.<\/div><\/details><\/div><div class=\"cs-faq-panel\" data-panel=\"pricing\"><details><summary>How many requests do free crypto APIs allow?<\/summary><div class=\"a\">It ranges from 100 requests a day to 100,000 a day. Routescan allows 100,000 calls a day on a free key. CoinStats API includes 20,000 credits a month at 2 requests a second.<\/div><\/details><details><summary>What is the difference between calls and credits?<\/summary><div class=\"a\">A call is one request. A credit is a weighted call, where heavy endpoints cost more. CoinStats API and Chainbase bill in credits, so check the per-endpoint cost.<\/div><\/details><details><summary>Can I use a free crypto API in a commercial app?<\/summary><div class=\"a\">Sometimes. CoinStats API allows commercial use on its free tier. CoinPaprika&#8217;s free plan is personal use only, and Alternative.me requires attribution.<\/div><\/details><\/div><div class=\"cs-faq-panel\" data-panel=\"choosing\"><details><summary>Which free crypto API is the best?<\/summary><div class=\"a\">CoinStats API is the best all-round free crypto API for apps. It returns market, wallet, and DeFi data on one key. For pure price feeds with no signup, CoinPaprika is the quickest start.<\/div><\/details><details><summary>Which free crypto API is easiest to scale?<\/summary><div class=\"a\">The Graph and Jupiter have the cheapest paid steps: $4 and $25 a month. CoinStats API scales with credit-based plans from $49 a month. Keyless APIs with no paid tier cannot scale with you.<\/div><\/details><details><summary>How do I choose a free crypto API?<\/summary><div class=\"a\">Match the API to the data you need first. Then find the limit you will hit first: quota, rate, or license. Test the free tier on real calls before you build.<\/div><\/details><\/div><\/div>\n\n<h2 id=\"sources\">Sources and references<\/h2>\n<p>Statistics and dates in this guide come from the sources below. Provider limits come from each provider&#8217;s official pricing page, read in September 2026.<\/p>\n<ul>\n<li>Postman, State of the API Report (2025) and its launch announcement (October 2025).<\/li>\n<li>NIST, SP 800-228 Guidelines for API Protection for Cloud-Native Systems (2025, updated 2026).<\/li>\n<li>a16z crypto, State of Crypto Report (2025).<\/li>\n<li>L2BEAT, scaling summary, read September 2026.<\/li>\n<li>DefiLlama, total value locked, read September 2026.<\/li>\n<li>Mats Olsen, Dune, &#8220;Sunsetting Sim&#8221; (May 2026).<\/li>\n<li>The Block, report on Talos acquiring Coin Metrics (2025).<\/li>\n<li>Blockworks, announcement of the Messari acquisition, quoting Jason Yanowitz (June 2026).<\/li>\n<li>SlashData, global developer population estimate (2025).<\/li>\n<li>Ethereum.org, JSON-RPC API documentation.<\/li>\n<li>Mateusz Sroka, CoinCap to CoinPaprika migration guide (July 2026).<\/li>\n<li>Provider pricing and docs pages for all 23 listed APIs, read September 2026.<\/li>\n<\/ul>\n\n<div class=\"cs-cta\" style=\"margin:36px 0 16px 0;padding:36px 32px;background:linear-gradient(135deg,#F355BD 0%,#FF7E55 55%,#FF9332 100%);border-radius:14px;color:#FFFFFF;\"><div style=\"font-size:22px;font-weight:800;margin-bottom:8px;color:#FFFFFF;\">Build on the complete crypto data layer<\/div><div style=\"font-size:15px;line-height:1.6;margin-bottom:20px;opacity:0.95;color:#FFFFFF;\">Market data, wallet balances, DeFi, and token risk across 120+ chains. REST and MCP. Free tier, no card.<\/div><a href=\"https:\/\/coinstats.app\/api\/\" style=\"display:inline-block;padding:14px 28px;background:#FFFFFF;color:#1A1B2E;border-radius:10px;font-weight:800;text-decoration:none;font-size:15px;\">Explore CoinStats API &#8594;<\/a><\/div>\n<div class=\"cs-disc\" style=\"margin:48px 0 24px 0;padding:18px 22px;background:#FBF8F4;border:1px solid #EFE5DA;border-radius:14px;font-size:13px;color:#5A5560;line-height:1.65;\"><div style=\"font-size:12px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:#9E9AAE;margin-bottom:8px;\">Disclaimer<\/div>This article is for informational and educational purposes only. It is not financial, investment, or legal advice. Crypto APIs change fast, and pricing, limits, and coverage move. Verify each provider&#8217;s docs before integrating. Always do your own research. Test any crypto API before production use.<\/div>\n<\/div>\n<script>\ndocument.querySelectorAll(\".cs-faq-tab\").forEach(function(btn){\n  btn.addEventListener(\"click\",function(){\n    document.querySelectorAll(\".cs-faq-tab\").forEach(function(b){b.classList.remove(\"active\");});\n    document.querySelectorAll(\".cs-faq-panel\").forEach(function(p){p.classList.remove(\"active\");});\n    btn.classList.add(\"active\");\n    document.querySelector('.cs-faq-panel[data-panel=\"'+btn.getAttribute(\"data-tab\")+'\"]').classList.add(\"active\");\n  });\n});\n<\/script>\n<script>\n(function(){\n  var els=[].slice.call(document.querySelectorAll(\"svg.cs-lim, svg.cs-one\"));\n  if(!els.length) return;\n  if(window.matchMedia){ if(window.matchMedia(\"(prefers-reduced-motion: reduce)\").matches) return; }\n  els.forEach(function(el){ el.classList.add(\"cs-anim-hold\"); el.setAttribute(\"data-playing\",\"0\"); });\n  function inView(el){\n    var r=el.getBoundingClientRect();\n    var 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Greed\",\"url\":\"https:\/\/coinstats.app\/blog\/best-free-crypto-api\/#p23\"}]}]}<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Written by Tigran Mkrtchyan &middot; Reviewed and fact-checked by Narek Gevorgyan &middot; Published September 10, 2026 &middot; Last updated September 10, 2026 &middot; Pricing and limits verified September 2026 In this guide What makes a good free crypto API How we scored the 23 The 23 best free crypto APIs at a glance Free market data APIs: prices, tickers, and history Free onchain and wallet data APIs Free DEX and DeFi data APIs Free NFT data APIs Free sentiment and news APIs Exchange public endpoints, free by design Top picks by category Comparison by use case How to choose a [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":22084,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"wl_entities_gutenberg":"","inline_featured_image":false,"footnotes":""},"categories":[412],"tags":[],"wl_entity_type":[314],"ppma_author":[364],"class_list":["post-22090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crypto-api","wl_entity_type-article","post--single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>23 Best Free Crypto APIs in September 2026 (Free Tiers)<\/title>\n<meta name=\"description\" content=\"Compare 23 free crypto APIs verified this month: quotas, rate limits, keyless options, MCP support, and the six APIs that lost their free tier.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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