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OpenAPI Specification

openapi: 3.2.0
info:
  title: Transpose Token Prices API
  description: Historical blockchain data REST API providing access to transaction history, token transfers, NFT metadata, smart contract events, DEX swaps, and price data across Ethereum and other EVM-compatible chains. Offers five enterprise-grade REST APIs plus a SQL Analytics API for querying indexed blockchain data across Ethereum, Polygon, Optimism, Base, Arbitrum, Avalanche, BSC, Bitcoin, and Tron.
  version: 1.0.0
  contact:
    name: Transpose Support
    url: https://www.transpose.io/
  license:
    name: Commercial
    url: https://www.transpose.io/pricing
servers:
- url: https://api.transpose.io
  description: Transpose production API
security:
- ApiKeyAuth: []
tags:
- name: Token Prices API
  description: Real-time and historical OHLC price data for any token including LP tokens.
paths:
  /prices/token-price:
    get:
      tags:
      - Token Prices API
      summary: Get Token Price
      operationId: getTokenPrice
      description: Access up-to-the-minute pricing details for any token by contract address. Returns current price in USD and ETH.
      parameters:
      - $ref: '#/components/parameters/ChainId'
      - name: contract_address
        in: query
        required: true
        description: The token contract address to query price for.
        schema:
          type: string
          example: '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2'
      responses:
        '200':
          description: Successful response containing current token price.
          headers:
            X-Credits-Charged:
              schema:
                type: integer
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    example: ok
                  results:
                    type: array
                    items:
                      $ref: '#/components/schemas/TokenPrice'
        '401':
          description: Unauthorized.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /prices/token-price-history:
    get:
      tags:
      - Token Prices API
      summary: Get Token Price History
      operationId: getTokenPriceHistory
      description: Gain access to a comprehensive token price series. Download data in customizable formats for any token address within a specified time range.
      parameters:
      - $ref: '#/components/parameters/ChainId'
      - name: contract_address
        in: query
        required: true
        description: The token contract address to query price history for.
        schema:
          type: string
      - name: timestamp_after
        in: query
        required: false
        description: Start of price history range (ISO-8601 or Unix timestamp).
        schema:
          type: string
      - name: timestamp_before
        in: query
        required: false
        description: End of price history range (ISO-8601 or Unix timestamp).
        schema:
          type: string
      - $ref: '#/components/parameters/Order'
      - $ref: '#/components/parameters/Limit'
      responses:
        '200':
          description: Successful response containing historical token prices.
          headers:
            X-Credits-Charged:
              schema:
                type: integer
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    example: ok
                  results:
                    type: array
                    items:
                      $ref: '#/components/schemas/TokenPrice'
        '401':
          description: Unauthorized.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /prices/ohlc-price-history:
    get:
      tags:
      - Token Prices API
      summary: Get OHLC Price History
      operationId: getOhlcPriceHistory
      description: Get OHLC/candlestick data for any token address and time interval. Supports minute-to-month granularity. Also supports LP token valuation across Balancer, Curve Finance, Uniswap, Convex Finance, Yearn, Synthetix, and Aave.
      parameters:
      - $ref: '#/components/parameters/ChainId'
      - name: contract_address
        in: query
        required: true
        description: The token contract address to query OHLC data for.
        schema:
          type: string
      - name: interval
        in: query
        required: false
        description: Candlestick interval.
        schema:
          type: string
          enum:
          - minute
          - hour
          - day
          - week
          - month
          default: day
      - name: timestamp_after
        in: query
        required: false
        description: Start of OHLC range (ISO-8601 or Unix timestamp).
        schema:
          type: string
      - name: timestamp_before
        in: query
        required: false
        description: End of OHLC range (ISO-8601 or Unix timestamp).
        schema:
          type: string
      - $ref: '#/components/parameters/Order'
      - $ref: '#/components/parameters/Limit'
      responses:
        '200':
          description: Successful response containing OHLC candlestick data.
          headers:
            X-Credits-Charged:
              schema:
                type: integer
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    example: ok
                  results:
                    type: array
                    items:
                      $ref: '#/components/schemas/OhlcPrice'
        '401':
          description: Unauthorized.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    TokenPrice:
      type: object
      description: Represents a point-in-time token price.
      properties:
        contract_address:
          type: string
        timestamp:
          type: string
          format: date-time
        price_usd:
          type: number
          description: Token price in USD.
        price_eth:
          type: number
          description: Token price in ETH.
    OhlcPrice:
      type: object
      description: Represents OHLC candlestick price data for a token.
      properties:
        contract_address:
          type: string
        timestamp:
          type: string
          format: date-time
        interval:
          type: string
          description: Candlestick interval (e.g., minute, hour, day).
        open_usd:
          type: number
        high_usd:
          type: number
        low_usd:
          type: number
        close_usd:
          type: number
        volume_usd:
          type: number
    ErrorResponse:
      type: object
      properties:
        status:
          type: string
          example: error
        message:
          type: string
          description: Human-readable error description.
  parameters:
    ChainId:
      name: chain_id
      in: query
      required: true
      description: 'A keyword (e.g., "ethereum") or CAIP-2 identifier specifying the blockchain to query. Supported values: ethereum, polygon, optimism, scroll, arbitrum, base, avalanche.

        '
      schema:
        type: string
        example: ethereum
        enum:
        - ethereum
        - polygon
        - optimism
        - scroll
        - arbitrum
        - base
        - avalanche
    Order:
      name: order
      in: query
      required: false
      description: Sort direction for results.
      schema:
        type: string
        enum:
        - asc
        - desc
        default: desc
    Limit:
      name: limit
      in: query
      required: false
      description: Maximum number of results to return.
      schema:
        type: integer
        default: 100
        minimum: 1
        maximum: 500
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-KEY
      description: API key obtained from your Transpose team dashboard.