openapi: 3.0.1
info:
  title: Amberdata DeFi Futures API
  description: Amberdata's institutional-grade digital asset and blockchain data API. Provides spot market data (prices, OHLCV, tickers, trades, order books), derivatives across futures and options (funding rates, open interest, liquidations, implied volatility, Greeks), DeFi (DEX and lending), and on-chain blockchain data (blocks, transactions, addresses, tokens). Every request requires the x-api-key header. An optional api-version header selects a dated API version.
  termsOfService: https://www.amberdata.io/terms-of-service
  contact:
    name: Amberdata Support
    url: https://www.amberdata.io/contact
  version: '1.0'
servers:
- url: https://api.amberdata.com
  description: Amberdata REST API
security:
- apiKeyAuth: []
tags:
- name: Futures
  description: Futures market data and analytics.
paths:
  /markets/futures/exchanges/reference:
    get:
      operationId: getFuturesExchangesReference
      tags:
      - Futures
      summary: Futures exchanges reference
      description: Returns reference data for futures instruments across exchanges, including base and quote symbols, price and volume limits, precision, contract terms, and trading availability.
      parameters:
      - $ref: '#/components/parameters/Exchange'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponse'
  /markets/futures/tickers/{instrument}:
    get:
      operationId: getFuturesTickers
      tags:
      - Futures
      summary: Futures tickers
      description: Returns ticker data for the specified futures instrument.
      parameters:
      - $ref: '#/components/parameters/InstrumentPath'
      - $ref: '#/components/parameters/Exchange'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponse'
  /markets/futures/funding-rates/{instrument}:
    get:
      operationId: getFuturesFundingRates
      tags:
      - Futures
      summary: Futures funding rates
      description: Returns funding rate data for the specified futures instrument.
      parameters:
      - $ref: '#/components/parameters/InstrumentPath'
      - $ref: '#/components/parameters/Exchange'
      - $ref: '#/components/parameters/StartDate'
      - $ref: '#/components/parameters/EndDate'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponse'
  /markets/futures/open-interest/{instrument}:
    get:
      operationId: getFuturesOpenInterest
      tags:
      - Futures
      summary: Futures open interest
      description: Returns open interest data for the specified futures instrument.
      parameters:
      - $ref: '#/components/parameters/InstrumentPath'
      - $ref: '#/components/parameters/Exchange'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponse'
  /markets/futures/liquidations/{instrument}:
    get:
      operationId: getFuturesLiquidations
      tags:
      - Futures
      summary: Futures liquidations
      description: Returns liquidation events for the specified futures instrument.
      parameters:
      - $ref: '#/components/parameters/InstrumentPath'
      - $ref: '#/components/parameters/Exchange'
      - $ref: '#/components/parameters/StartDate'
      - $ref: '#/components/parameters/EndDate'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponse'
components:
  schemas:
    ApiResponse:
      type: object
      description: Standard Amberdata API envelope. The requested data is returned under the payload property, alongside the HTTP status and a status message.
      properties:
        status:
          type: integer
          description: HTTP-style status code echoed in the response body.
          example: 200
        title:
          type: string
          description: Human-readable status message.
          example: OK
        description:
          type: string
          description: Additional context about the response.
        payload:
          type: object
          description: The response payload. Shape varies by endpoint; time series endpoints typically return metadata plus a data array.
          properties:
            metadata:
              type: object
              description: Metadata describing the payload (columns, request params, etc.).
            data:
              type: array
              description: The array of records for the requested resource.
              items:
                type: object
  parameters:
    StartDate:
      name: startDate
      in: query
      required: false
      description: Start of the time range (ISO 8601 timestamp or milliseconds epoch).
      schema:
        type: string
    InstrumentPath:
      name: instrument
      in: path
      required: true
      description: The instrument identifier for the futures or options contract.
      schema:
        type: string
    Exchange:
      name: exchange
      in: query
      required: false
      description: Filter by exchange (e.g. binance, coinbase, deribit).
      schema:
        type: string
    EndDate:
      name: endDate
      in: query
      required: false
      description: End of the time range (ISO 8601 timestamp or milliseconds epoch).
      schema:
        type: string
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: Unique, user-specific API key. Required on every REST request via the x-api-key header.