> ## Documentation Index
> Fetch the complete documentation index at: https://coinstats.app/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Connect Portfolio Wallet

> Connect a wallet to your account and create a tracked portfolio

<Note>**40** credits per request</Note><hr />

<AccordionGroup>
  <Accordion title="You will get">
    * A portfolioId you can use to query portfolio data (value, coins, chart, transactions, defi, snapshot)
    * Automatic portfolio creation with visibility set to API
    * Background transaction sync initiated
  </Accordion>

  <Accordion title="Required">
    * address: Wallet address to connect
    * connectionId: Blockchain network identifier (e.g., "ethereum"). Use GET /wallet/blockchains for supported networks.
  </Accordion>

  <Accordion title="Optional">
    * name: Custom display name for the portfolio
  </Accordion>
</AccordionGroup>


## OpenAPI

````yaml /api-reference/openapi.json post /v1/portfolio/wallet
openapi: 3.0.0
info:
  title: CoinStats Public API
  description: >-
    CoinStats Public API — programmatic access to market data, news, NFTs,
    wallets, exchange connections, and user portfolios. Authenticate every
    request with the `X-API-KEY` header (or an OAuth Bearer token in the
    `Authorization` header). Generate keys at https://openapi.coinstats.app.
  version: '1.0'
  contact: {}
servers:
  - url: https://openapiv1.coinstats.app
security: []
tags:
  - name: CoinStats
    description: ''
  - name: Market Data
    description: >-
      The Market Data section of the API provides endpoints to access a wide
      range of market-related information, including cryptocurrency coins,
      ticker data, and fiat currency rates. This category offers comprehensive
      data to help users monitor and analyze the cryptocurrency market, track
      prices, and gain insights into market trends
  - name: News
    description: >-
      The News section of the API allows you to access news articles and updates
      related to cryptocurrencies and the blockchain industry. It provides
      valuable information from various sources to keep you informed about the
      latest developments
  - name: NFTs
    description: >-
      The NFT section of the API provides endpoints to interact with
      Non-Fungible Tokens (NFTs), which are unique digital assets stored on a
      blockchain. These endpoints allow you to retrieve information about NFTs,
      including collections, assets, trending NFTs, and specific assets
      associated with wallet addresses.
  - name: Wallet Data
    description: >-
      The Wallet section of the API provides a comprehensive set of endpoints to
      manage and interact with wallets. It enables users to retrieve wallet
      balances, monitor syncing status, fetch transaction data, and synchronize
      wallet information with the blockchain. By integrating these endpoints
      into your application, you can offer robust wallet functionality to your
      users.
  - name: Exchange Connection
    description: >-
      The Exchange Connection section of the API provides a comprehensive set of
      endpoints to manage and interact with exchanges. It enables users to
      retrieve exchange balances, monitor syncing status, fetch transaction
      data. By integrating these endpoints into your application, you can offer
      robust exchange portfolio tracking functionality to your users.
  - name: User Portfolio
    description: >-
      The Portfolio section of the API provides a comprehensive set of endpoints
      to manage and interact with Share Portfolios. It enables users to retrieve
      current Portfolio Coins and Transactions.
  - name: Usage
    description: The Usage section provides account-level API usage data.
  - name: Status
    description: The Status section provides API availability checks.
paths:
  /v1/portfolio/wallet:
    post:
      tags:
        - User Portfolio
      summary: Connect a wallet to your account and create a tracked portfolio
      operationId: connect-portfolio-wallet
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ConnectWalletDto'
      responses:
        '200':
          description: Connect Wallet Portfolio
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ConnectPortfolioResponseDto'
        '400':
          description: Bad Request
          content:
            application/json:
              example:
                statusCode: 400
                message: Bad Request
                requestId: 11111111-2222-3333-4444-555555555555
                path: <requested-endpoint>
        '401':
          description: Unauthorized
          content:
            application/json:
              example:
                statusCode: 401
                message: Unauthorized
                requestId: 11111111-2222-3333-4444-555555555555
                path: <requested-endpoint>
        '403':
          description: Forbidden
          content:
            application/json:
              example:
                statusCode: 403
                message: Forbidden
                requestId: 11111111-2222-3333-4444-555555555555
                path: <requested-endpoint>
        '404':
          description: Not Found
          content:
            application/json:
              example:
                statusCode: 404
                message: Not Found
                requestId: 11111111-2222-3333-4444-555555555555
                path: <requested-endpoint>
        '409':
          description: Conflict (for some endpoints)
          content:
            application/json:
              example:
                statusCode: 409
                message: Transactions not synced
                requestId: 11111111-2222-3333-4444-555555555555
                path: <requested-endpoint>
        '429':
          description: Too Many Requests
          content:
            application/json:
              example:
                statusCode: 429
                message: Rate limit exceeded
                requestId: 11111111-2222-3333-4444-555555555555
                path: <requested-endpoint>
        '503':
          description: Service Unavailable
          content:
            application/json:
              example:
                statusCode: 503
                message: Service Unavailable. Please Contact Support
      security:
        - X-API-KEY: []
components:
  schemas:
    ConnectWalletDto:
      type: object
      properties:
        address:
          type: string
          example: '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045'
          description: Wallet address to connect.
        connectionId:
          type: string
          example: ethereum
          description: >-
            Blockchain network identifier (e.g., "ethereum", "polygon"). Use GET
            /wallet/blockchains to get the list of supported blockchains.
        name:
          type: string
          example: My Ethereum Wallet
          description: Optional display name for the portfolio.
      required:
        - address
        - connectionId
    ConnectPortfolioResponseDto:
      type: object
      properties:
        portfolioId:
          type: string
          example: a1b2c3d4e5f6...
          description: The unique identifier of the connected portfolio.
        connectionId:
          type: string
          example: ethereum
          description: The connectionId used to connect the portfolio.
        status:
          type: string
          example: connected
          enum:
            - connected
            - existing
          description: >-
            "connected" if a new portfolio was created, "existing" if the
            portfolio already exists.
      required:
        - portfolioId
        - connectionId
        - status
  securitySchemes:
    X-API-KEY:
      type: apiKey
      in: header
      name: X-API-KEY
      description: >-
        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.

````