aid: thirdweb
url: https://raw.githubusercontent.com/api-evangelist/thirdweb/refs/heads/main/apis.yml
name: thirdweb
kind: company
description: thirdweb is a full-stack web3 development platform. Its HTTP APIs unify
  wallet management, transaction execution, smart contract read/write, token and NFT
  operations, fiat-to-crypto payments and bridging, indexed on-chain data, and an
  AI blockchain interface across thousands of EVM chains and Solana, authenticated
  with a client ID or secret key.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Web3
- Blockchain
- Wallets
- Smart Contracts
- Payments
- Indexer
created: '2026-06-20'
modified: '2026-06-20'
specificationVersion: '0.19'
apis:
- aid: thirdweb:thirdweb-api
  name: thirdweb API
  tags:
  - Wallets
  - Transactions
  - Tokens
  - Contracts
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://portal.thirdweb.com/reference
  baseURL: https://api.thirdweb.com
  properties:
  - url: https://portal.thirdweb.com/reference
    type: Documentation
  - url: https://portal.thirdweb.com/reference
    type: APIReference
  - url: openapi/thirdweb-openapi.yml
    type: OpenAPI
  - url: collections/thirdweb.postman_collection.json
    type: PostmanCollection
  - url: collections/thirdweb.opencollection.json
    type: OpenCollection
  description: Unified web3 API for user and server wallets, message and typed-data
    signing, token transfers, smart contract reads and writes, contract deployment,
    transaction submission, and authentication across thousands of EVM chains and
    Solana.
- aid: thirdweb:thirdweb-engine
  name: thirdweb Engine
  tags:
  - Engine
  - Backend
  - Transactions
  - Server Wallets
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://portal.thirdweb.com/engine
  baseURL: https://engine.thirdweb.com
  properties:
  - url: https://portal.thirdweb.com/engine
    type: Documentation
  - url: https://engine.thirdweb.com/reference
    type: APIReference
  - url: openapi/thirdweb-openapi.yml
    type: OpenAPI
  - url: collections/thirdweb.postman_collection.json
    type: PostmanCollection
  - url: collections/thirdweb.opencollection.json
    type: OpenCollection
  description: Backend transaction execution engine providing server wallets with
    automated nonce management, gas handling, transaction queueing and retries, plus
    contract write/read, encoding, signing, and transaction analytics endpoints.
- aid: thirdweb:thirdweb-insight
  name: thirdweb Insight
  tags:
  - Insight
  - Indexer
  - Events
  - On-Chain Data
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://portal.thirdweb.com/insight
  baseURL: https://insight.thirdweb.com
  properties:
  - url: https://portal.thirdweb.com/insight
    type: Documentation
  - url: https://insight.thirdweb.com/reference
    type: APIReference
  - url: openapi/thirdweb-openapi.yml
    type: OpenAPI
  - url: collections/thirdweb.postman_collection.json
    type: PostmanCollection
  - url: collections/thirdweb.opencollection.json
    type: OpenCollection
  description: Indexed on-chain data API for querying events, transactions, blocks,
    ERC-20/721/1155 tokens and balances, NFT metadata and transfers, contract ABIs,
    log decoding, and configurable on-chain webhooks across supported chains.
- aid: thirdweb:thirdweb-nebula
  name: thirdweb Nebula
  tags:
  - Nebula
  - AI
  - Agents
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://portal.thirdweb.com/nebula
  baseURL: https://nebula-api.thirdweb.com
  properties:
  - url: https://portal.thirdweb.com/nebula
    type: Documentation
  - url: https://nebula-api.thirdweb.com/reference
    type: APIReference
  - url: openapi/thirdweb-openapi.yml
    type: OpenAPI
  - url: collections/thirdweb.postman_collection.json
    type: PostmanCollection
  - url: collections/thirdweb.opencollection.json
    type: OpenCollection
  description: AI blockchain interface with session-based chat, chat completions,
    and execute endpoints that read and write on-chain on behalf of agents, plus
    session management, models listing, and delegated authentication.
- aid: thirdweb:thirdweb-payments
  name: thirdweb Payments and Bridge
  tags:
  - Payments
  - Bridge
  - x402
  - Onramp
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://portal.thirdweb.com/payments
  baseURL: https://api.thirdweb.com
  properties:
  - url: https://portal.thirdweb.com/payments
    type: Documentation
  - url: https://playground.thirdweb.com/payments/backend
    type: APIReference
  - url: openapi/thirdweb-openapi.yml
    type: OpenAPI
  - url: collections/thirdweb.postman_collection.json
    type: PostmanCollection
  - url: collections/thirdweb.opencollection.json
    type: OpenCollection
  description: Bridge, swap, convert, and onramp any currency across thousands of
    chains, and accept HTTP and agentic payments with the x402 verify, settle, fetch,
    and discovery endpoints.
- aid: thirdweb:thirdweb-rpc-edge
  name: thirdweb RPC Edge
  tags:
  - RPC
  - JSON-RPC
  - Nodes
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://portal.thirdweb.com/infrastructure/rpc-edge/overview
  baseURL: https://{chainId}.rpc.thirdweb.com
  properties:
  - url: https://portal.thirdweb.com/infrastructure/rpc-edge/overview
    type: Documentation
  - url: openapi/thirdweb-openapi.yml
    type: OpenAPI
  description: Globally distributed JSON-RPC node access over HTTPS at
    https://{chainId}.rpc.thirdweb.com, authenticated by client ID, providing
    standard Ethereum JSON-RPC methods across thousands of supported chains.
common:
- type: GitHubOrganization
  url: https://github.com/thirdweb-dev
- type: LinkedIn
  url: https://www.linkedin.com/company/third-web
- type: Website
  url: https://thirdweb.com
- type: Documentation
  url: https://portal.thirdweb.com
- type: Plans
  url: plans/thirdweb-plans-pricing.yml
- type: RateLimits
  url: rate-limits/thirdweb-rate-limits.yml
- type: FinOps
  url: finops/thirdweb-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com