openapi: 3.2.0
info:
  description: Cached proxy layer for multiple blockchain APIs with 24-hour caching and automatic fallback across chains. Supports both Blockscout and ThirdWeb Insights APIs. Add ?mintlify parameter for Mintlify-compatible version.
  version: 1.0.0
  title: B3 Data API - Multi-Chain Data Insights/decode API
  contact:
    name: B3 Team
    url: https://b3.fun
  license:
    name: Apache 2.0
    url: http://www.apache.org/licenses/LICENSE-2.0.html
servers:
- url: https://data-api.b3.fun/
  description: B3 Data API - Multi-Chain Proxy
tags:
- name: insights/decode
  description: ThirdWeb Insights transaction decoding
paths:
  /insights/v1/decode/{contractAddress}:
    post:
      description: Decode logs and transactions​
      summary: Decode logs and transactions​
      tags:
      - insights/decode
      parameters:
      - $ref: '#/components/parameters/contractAddress'
      - name: chain
        in: query
        required: false
        deprecated: true
        description: Use chain_id instead
        schema:
          type: array
          example:
          - 20
          - 56
          - 1
          items:
            type: number
      - name: chain_id
        in: query
        required: false
        description: The chain ID(s) to request the data for. You can specify multiple chain IDs, up to a maximum of 55. Use repeated query parameters, e.g., `?chain_id=20&chain_id=56`. Optional, because a single chain can as well be specified as a subdomain
        schema:
          type: array
          example:
          - 20
          - 56
          - 1
          items:
            type: number
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                transactions:
                  type: array
                  items:
                    type: object
                    properties:
                      data:
                        type: string
                    required:
                    - data
                logs:
                  type: array
                  items:
                    type: object
                    properties:
                      data:
                        type: string
                      topics:
                        type: array
                        items:
                          type: string
                    required:
                    - topics
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: object
                    properties:
                      transactions:
                        type: array
                        items:
                          type: object
                          properties:
                            data:
                              type: string
                            function_name:
                              type: string
                            args:
                              type: array
                              items: {}
                          required:
                          - data
                      logs:
                        type: array
                        items:
                          type: object
                          properties:
                            data:
                              type: string
                            topics:
                              type: array
                              items:
                                type: string
                            event_name:
                              type: string
                            args:
                              type: array
                              items: {}
                          required:
                          - topics
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                required:
                - error
        '404':
          description: Not found
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                required:
                - error
components:
  parameters:
    contractAddress:
      schema:
        type: string
        title: address (hex or ENS)
        example: vitalik.eth
      required: true
      name: contract_address
      in: path
  securitySchemes:
    clientId:
      type: apiKey
      in: header
      name: x-client-id
      description: thirdweb client ID in headers
    secretKey:
      type: apiKey
      in: header
      name: x-secret-key
      description: thirdweb secret key in headers
    dashboard:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: thirdweb JWT + Client ID
    clientId-query:
      type: apiKey
      in: query
      name: clientId
      description: thirdweb client ID in query params
x-proxy-info:
  supported-chains:
  - chainId: 243
    name: Reach Testnet
    network: reach-testnet
    apiUrl: https://reach-testnet.explorer.caldera.xyz/api/v2
  - chainId: 1993
    name: B3 Testnet
    network: b3-testnet
    apiUrl: https://sepolia.explorer.b3.fun/api/v2
  - chainId: 4224
    name: Arpachain
    network: arpachain
    apiUrl: https://arpachain.calderaexplorer.xyz/api/v2
  - chainId: 8333
    name: B3 Mainnet
    network: b3
    apiUrl: https://blockscout.b3.fun/api/v2
  - chainId: 19934
    name: B4 Testnet
    network: b4-testnet
    apiUrl: https://b4-testnet.explorer.caldera.xyz/api/v2
  - chainId: 10211403
    name: GLHF Testnet
    network: glhf-testnet
    apiUrl: https://glhf-testnet.explorer.caldera.xyz/api/v2
  supported-services:
  - name: blockscout
    path: /blockscout/*
    description: Blockchain explorer API with multi-chain fallback
  - name: thirdweb-insights
    path: /insights/*
    description: ThirdWeb Insights API for chain analytics
  default-chain: 8333
  cache-duration: 24 hours
  cache-strategy: KV store
  fallback-strategy: 'Blockscout: Query default chain first, then all chains in parallel if no results. ThirdWeb: Direct chain query only.'