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OpenAPI Specification
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.'