Footprint Analytics

Footprint Analytics Chain API

Chain-level block and transaction data

Documentation GitHub OpenAPI

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OpenAPI Specification

openapi: 3.1.0
info:
  title: Footprint Analytics Data Chain API
  description: 'Footprint Analytics is a blockchain data analytics platform providing unified REST and SQL APIs for querying DeFi protocol metrics, NFT market data, token analytics, GameFi economics, and on-chain activity across 30+ chains including Ethereum, Bitcoin, Solana, BNB Chain, Polygon, Arbitrum, Optimism, and Sui. The platform indexes 30,000+ protocols, 100M+ tokens, 2M+ NFT collections, and 3,000+ blockchain games. Authentication is via API key passed as a query parameter or request header.

    '
  version: 1.0.0
  contact:
    name: Footprint Analytics Support
    url: https://www.footprint.network/
  license:
    name: Proprietary
    url: https://www.footprint.network/
servers:
- url: https://api.footprint.network
  description: Footprint Analytics production API
- url: https://fp-api.readme.io
  description: Footprint Analytics documentation API
security:
- ApiKeyHeader: []
- ApiKeyQuery: []
tags:
- name: Chain
  description: Chain-level block and transaction data
paths:
  /api/v1/chain/{chain}/blocks:
    get:
      operationId: getChainBlocks
      summary: Get chain block data
      description: 'Returns recent block data for the specified blockchain including block height, timestamp, transaction count, and gas metrics.

        '
      tags:
      - Chain
      parameters:
      - name: chain
        in: path
        required: true
        description: Blockchain network identifier
        schema:
          $ref: '#/components/schemas/ChainEnum'
      - $ref: '#/components/parameters/Limit'
      - name: from_block
        in: query
        description: Start block number
        schema:
          type: integer
          format: int64
      responses:
        '200':
          description: Block data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BlockListResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    Block:
      type: object
      properties:
        block_number:
          type: integer
          format: int64
          description: Block height
        block_hash:
          type: string
          description: Block hash
        block_timestamp:
          type: string
          format: date-time
          description: Block production timestamp
        transaction_count:
          type: integer
          description: Number of transactions in the block
        gas_used:
          type: integer
          format: int64
          description: Total gas consumed by the block (EVM chains only)
        gas_limit:
          type: integer
          format: int64
          description: Maximum gas allowed for the block (EVM chains only)
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              description: Machine-readable error code
            message:
              type: string
              description: Human-readable error message
            details:
              type: object
              additionalProperties: true
    BlockListResponse:
      type: object
      properties:
        chain:
          $ref: '#/components/schemas/ChainEnum'
        data:
          type: array
          items:
            $ref: '#/components/schemas/Block'
    ChainEnum:
      type: string
      description: Supported blockchain network identifier
      enum:
      - ethereum
      - bnb
      - polygon
      - arbitrum
      - optimism
      - avalanche
      - fantom
      - solana
      - bitcoin
      - sui
      - starknet
      - zksync
      - celo
      - cronos
      - ronin
      - moonbeam
      - moonriver
      - base
      - linea
      - scroll
      example: ethereum
  responses:
    Unauthorized:
      description: Missing or invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  parameters:
    Limit:
      name: limit
      in: query
      description: Maximum number of results to return
      schema:
        type: integer
        minimum: 1
        maximum: 1000
        default: 20
  securitySchemes:
    ApiKeyHeader:
      type: apiKey
      in: header
      name: X-API-KEY
      description: Footprint Analytics API key passed as a request header
    ApiKeyQuery:
      type: apiKey
      in: query
      name: apiKey
      description: Footprint Analytics API key passed as a query parameter