AgentPay Discovery API

openapi: 3.2.0
info:
  title: AgentPay Gateway Discovery API
  description: Buyer-side trust layer for x402 agents. verified_route ranks providers on paid delivery evidence and sybil-collapsed payer counts; pre_trade_check returns an ok/caution/avoid verdict before a trade; session_create opens a spend cap the gateway enforces for the paying wallet on Stacks and Base, with chain-verified receipts on a public ledger. USDC on Base and Stellar, sBTC or STX on Stacks (any Stacks x402 client).
  contact:
    name: AgentPay
    url: https://agentpay.tools/
    email: romudille@gmail.com
  version: 0.1.0
tags:
- name: Discovery
paths:
  /discovery/arbitrum:
    get:
      summary: Discovery Arbitrum
      description: 'Curated x402 discovery for the Arbitrum stack.


        Returns ranked, junk-filtered candidates (and a single recommendation) for

        `need` under `budget`, scoped to `chain`. This is the agent-facing surface;

        the public leaderboard reads the same endpoint.'
      operationId: discovery_arbitrum_discovery_arbitrum_get
      parameters:
      - name: need
        in: query
        required: false
        schema:
          type: string
          description: What the agent needs, e.g. 'funding rates'
          default: ''
          title: Need
        description: What the agent needs, e.g. 'funding rates'
      - name: budget
        in: query
        required: false
        schema:
          type: number
          minimum: 0.0
          description: Max USDC the agent will pay
          default: 0.01
          title: Budget
        description: Max USDC the agent will pay
      - name: chain
        in: query
        required: false
        schema:
          type: string
          description: arbitrum-stack | arbitrum | arbitrum-sepolia | robinhood
          default: arbitrum-stack
          title: Chain
        description: arbitrum-stack | arbitrum | arbitrum-sepolia | robinhood
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security: []
      tags:
      - Discovery
  /discovery/arbitrum/verify:
    post:
      summary: Radar Verify
      description: Verify a RadarSplit settlement on-chain and consume it (one-shot).
      operationId: radar_verify_discovery_arbitrum_verify_post
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RadarVerifyRequest'
        required: true
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security: []
      tags:
      - Discovery
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    RadarVerifyRequest:
      properties:
        tx_hash:
          type: string
          title: Tx Hash
        payment_id:
          type: string
          title: Payment Id
        payer:
          type: string
          title: Payer
        developer:
          type: string
          title: Developer
        amount_usdc:
          type: string
          title: Amount Usdc
        chain:
          type: string
          title: Chain
          default: arbitrum-sepolia
      type: object
      required:
      - tx_hash
      - payment_id
      - payer
      - developer
      - amount_usdc
      title: RadarVerifyRequest