GoldRush x402 API

openapi: 3.1.0
info:
  title: GoldRush x402 API
  description: >
    Pay-per-request HTTP 402 endpoints for autonomous AI agents and onchain
    micropayments. Discover available x402 endpoints, search the directory,
    and call balance / transaction lookups with a 402 settlement flow.
  version: v1
  contact:
    name: GoldRush Support
    url: https://goldrush.dev/support/
servers:
  - url: https://api.covalenthq.com
    description: GoldRush x402 endpoints
security:
  - BearerAuth: []
tags:
  - name: Discovery
    description: List and search x402 endpoints exposed by GoldRush.
  - name: Data
    description: x402-priced data endpoints.
paths:
  /v1/x402/endpoints:
    get:
      summary: List All Available X402 Endpoints
      operationId: listX402Endpoints
      tags: [Discovery]
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  items:
                    type: array
                    items: { $ref: '#/components/schemas/X402Endpoint' }
  /v1/x402/endpoints/search:
    get:
      summary: Search X402 Endpoints
      operationId: searchX402Endpoints
      tags: [Discovery]
      parameters:
        - name: q
          in: query
          required: true
          schema: { type: string }
      responses:
        '200': { description: OK }
  /v1/x402/endpoints/{endpointId}:
    get:
      summary: Get Details For A Specific X402 Endpoint
      operationId: getX402Endpoint
      tags: [Discovery]
      parameters:
        - name: endpointId
          in: path
          required: true
          schema: { type: string }
      responses:
        '200': { description: OK, content: { application/json: { schema: { $ref: '#/components/schemas/X402Endpoint' } } } }
  /v1/x402/{chainName}/address/{walletAddress}/balances_v2/:
    get:
      summary: Get Token Balances For Address (X402)
      operationId: getX402TokenBalancesForAddress
      tags: [Data]
      parameters:
        - name: chainName
          in: path
          required: true
          schema: { type: string }
        - name: walletAddress
          in: path
          required: true
          schema: { type: string }
      responses:
        '200': { description: OK }
        '402':
          description: Payment Required - settle via x402 protocol and retry.
          content:
            application/json:
              schema: { $ref: '#/components/schemas/X402Challenge' }
  /v1/x402/{chainName}/address/{walletAddress}/transactions_v3/:
    get:
      summary: Get Recent Transactions For Address (X402)
      operationId: getX402RecentTransactionsForAddress
      tags: [Data]
      parameters:
        - name: chainName
          in: path
          required: true
          schema: { type: string }
        - name: walletAddress
          in: path
          required: true
          schema: { type: string }
      responses:
        '200': { description: OK }
        '402':
          description: Payment Required - settle via x402 protocol and retry.
          content:
            application/json:
              schema: { $ref: '#/components/schemas/X402Challenge' }
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Optional bearer key; pay-per-request endpoints accept an x402 settlement header in lieu of a long-lived key.
  schemas:
    X402Endpoint:
      type: object
      properties:
        id: { type: string }
        path: { type: string }
        method: { type: string }
        description: { type: string }
        price:
          type: object
          properties:
            amount: { type: string }
            asset: { type: string }
            chain: { type: string }
    X402Challenge:
      type: object
      properties:
        scheme: { type: string, example: x402 }
        recipient: { type: string }
        amount: { type: string }
        asset: { type: string }
        chain: { type: string }
        nonce: { type: string }
        expires: { type: integer, format: int64 }