List prediction markets
curl --request GET \
--url https://api.coinstats.app/v1/prediction/markets \
--header 'X-API-KEY: <api-key>'import requests
url = "https://api.coinstats.app/v1/prediction/markets"
headers = {"X-API-KEY": "<api-key>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};
fetch('https://api.coinstats.app/v1/prediction/markets', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.coinstats.app/v1/prediction/markets",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"X-API-KEY: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.coinstats.app/v1/prediction/markets"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("X-API-KEY", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.coinstats.app/v1/prediction/markets")
.header("X-API-KEY", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.coinstats.app/v1/prediction/markets")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"success": true,
"timestamp": "2025-06-19T12:00:00.000Z",
"data": [
{
"source": "polymarket",
"sourceId": "0x1234",
"conditionId": "0xcondition...",
"marketId": 512345,
"slug": "will-btc-hit-100k-2025",
"question": "Will BTC hit $100k in 2025?",
"description": "<string>",
"image": "<string>",
"icon": "<string>",
"outcomes": [
"Yes",
"No"
],
"outcomePrices": [
0.62,
0.38
],
"clobTokenIds": [
"<string>"
],
"volume": 1500000,
"volume24hr": 45000,
"liquidity": 230000,
"openInterest": 123,
"bestBid": 123,
"bestAsk": 123,
"spread": 123,
"midpoint": 123,
"startDate": "<string>",
"endDate": "<string>",
"active": true,
"closed": true,
"resolved": true,
"acceptingOrders": true,
"resolutionSource": "<string>",
"resolvedOutcome": "<string>",
"resolvedAt": "<string>",
"eventId": 123,
"eventSlug": "<string>",
"tagIds": [
"<string>"
],
"priceChange24hr": 123,
"volumeChange24hr": 123
}
],
"meta": {
"total": 1240,
"limit": 50,
"offset": 0,
"hasMore": true
}
}{
"statusCode": 400,
"message": "Bad Request",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 401,
"message": "Unauthorized",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 403,
"message": "Forbidden",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 404,
"message": "Not Found",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 409,
"message": "Transactions not synced",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 429,
"message": "Rate limit exceeded",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 503,
"message": "Service Unavailable. Please Contact Support"
}Prediction · Markets
List Markets
List prediction markets
GET
/
v1
/
prediction
/
markets
List prediction markets
curl --request GET \
--url https://api.coinstats.app/v1/prediction/markets \
--header 'X-API-KEY: <api-key>'import requests
url = "https://api.coinstats.app/v1/prediction/markets"
headers = {"X-API-KEY": "<api-key>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};
fetch('https://api.coinstats.app/v1/prediction/markets', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.coinstats.app/v1/prediction/markets",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"X-API-KEY: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.coinstats.app/v1/prediction/markets"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("X-API-KEY", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.coinstats.app/v1/prediction/markets")
.header("X-API-KEY", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.coinstats.app/v1/prediction/markets")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"success": true,
"timestamp": "2025-06-19T12:00:00.000Z",
"data": [
{
"source": "polymarket",
"sourceId": "0x1234",
"conditionId": "0xcondition...",
"marketId": 512345,
"slug": "will-btc-hit-100k-2025",
"question": "Will BTC hit $100k in 2025?",
"description": "<string>",
"image": "<string>",
"icon": "<string>",
"outcomes": [
"Yes",
"No"
],
"outcomePrices": [
0.62,
0.38
],
"clobTokenIds": [
"<string>"
],
"volume": 1500000,
"volume24hr": 45000,
"liquidity": 230000,
"openInterest": 123,
"bestBid": 123,
"bestAsk": 123,
"spread": 123,
"midpoint": 123,
"startDate": "<string>",
"endDate": "<string>",
"active": true,
"closed": true,
"resolved": true,
"acceptingOrders": true,
"resolutionSource": "<string>",
"resolvedOutcome": "<string>",
"resolvedAt": "<string>",
"eventId": 123,
"eventSlug": "<string>",
"tagIds": [
"<string>"
],
"priceChange24hr": 123,
"volumeChange24hr": 123
}
],
"meta": {
"total": 1240,
"limit": 50,
"offset": 0,
"hasMore": true
}
}{
"statusCode": 400,
"message": "Bad Request",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 401,
"message": "Unauthorized",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 403,
"message": "Forbidden",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 404,
"message": "Not Found",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 409,
"message": "Transactions not synced",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 429,
"message": "Rate limit exceeded",
"requestId": "11111111-2222-3333-4444-555555555555",
"path": "<requested-endpoint>"
}{
"statusCode": 503,
"message": "Service Unavailable. Please Contact Support"
}2 credits per request
You will get
You will get
- A paginated list of Polymarket prediction markets.
- Filter by
activeandeventId. - Sort by
volume24hr,volume,liquidity, orendDate. - Prices are probabilities in 0..1; money is USD.
Authorizations
API key required to access the endpoints. Generate one from your dashboard at https://openapi.coinstats.app and pass it in the X-API-KEY request header. Never expose your key in client-side code.
Query Parameters
true (default) = live markets (tradeable, not ended); false = everything not live (ended/inactive).
Available options:
true, false Filter by event id
Available options:
volume24hr, volume, liquidity, endDate Available options:
asc, desc Required range:
x <= 100Example:
50
Example:
0
Was this page helpful?
⌘I