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OpenAPI Specification

openapi: 3.2.0
info:
  title: Circle Web3 Services (W3S) — Developer-Controlled NFTs Wallets API
  description: 'Circle''s Web3 Services API for developer-controlled programmable wallets, wallet sets,

    signing, transactions, tokens, and NFTs. This is a best-effort partial spec derived

    from Circle''s published OpenAPI at

    https://developers.circle.com/openapi/developer-controlled-wallets.yaml.'
  version: '2026-05-23'
  contact:
    name: Circle Developer Support
    url: https://developers.circle.com/
  license:
    name: Proprietary
servers:
- url: https://api.circle.com
  description: Production
security:
- BearerAuth: []
tags:
- name: Wallets
paths:
  /v1/w3s/developer/wallets:
    post:
      tags:
      - Wallets
      summary: Create developer-controlled wallets
      operationId: createWallets
      responses:
        '201':
          description: Wallets created
  /v1/w3s/wallets:
    get:
      tags:
      - Wallets
      summary: List wallets
      operationId: listWallets
      responses:
        '200':
          description: A list of wallets
  /v1/w3s/wallets/{id}:
    parameters:
    - $ref: '#/components/parameters/ResourceId'
    get:
      tags:
      - Wallets
      summary: Get wallet
      operationId: getWallet
      responses:
        '200':
          description: Wallet details
    put:
      tags:
      - Wallets
      summary: Update wallet
      operationId: updateWallet
      responses:
        '200':
          description: Wallet updated
  /v1/w3s/developer/wallets/balances:
    get:
      tags:
      - Wallets
      summary: List developer wallet balances
      operationId: listDeveloperWalletBalances
      responses:
        '200':
          description: Balances list
  /v1/w3s/developer/wallets/derive:
    put:
      tags:
      - Wallets
      summary: Derive wallet
      operationId: deriveWallet
      responses:
        '200':
          description: Wallet derived
  /v1/w3s/wallets/{id}/balances:
    parameters:
    - $ref: '#/components/parameters/ResourceId'
    get:
      tags:
      - Wallets
      summary: Get wallet token balances
      operationId: getWalletBalances
      responses:
        '200':
          description: Balances
  /v1/w3s/developer/wallets/{id}/blockchains/{blockchain}:
    parameters:
    - $ref: '#/components/parameters/ResourceId'
    - name: blockchain
      in: path
      required: true
      schema:
        type: string
    put:
      tags:
      - Wallets
      summary: Enable a blockchain for the wallet
      operationId: enableWalletBlockchain
      responses:
        '200':
          description: Blockchain enabled
components:
  parameters:
    ResourceId:
      name: id
      in: path
      required: true
      description: Resource identifier (UUID).
      schema:
        type: string
        format: uuid
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Circle API key, formatted as `PREFIX:ID:SECRET`, supplied as Bearer token.