openapi: 3.2.0
info:
  title: Merchant-0 A2A Protocol Server Advocate API
  description: Agent-to-Agent Commerce API for the 2026 Agentic Economy
  version: '2026.1'
tags:
- name: Advocate
paths:
  /api/advocate/disputes:
    get:
      summary: Get Advocate Disputes
      description: CEO-only dispute list. Auth via sandbox_token query/body.
      operationId: get_advocate_disputes_api_advocate_disputes_get
      parameters:
      - name: sandbox_token
        in: query
        required: false
        schema:
          type: string
          default: ''
          title: Sandbox Token
      - name: status
        in: query
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: Status
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          default: 20
          title: Limit
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                title: Response Get Advocate Disputes Api Advocate Disputes Get
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      tags:
      - Advocate
  /api/advocate/disputes/{dispute_id}/resolve:
    post:
      summary: Resolve Advocate Dispute
      description: CEO-only dispute resolution.
      operationId: resolve_advocate_dispute_api_advocate_disputes__dispute_id__resolve_post
      parameters:
      - name: dispute_id
        in: path
        required: true
        schema:
          type: string
          title: Dispute Id
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DisputeResolveRequest'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                title: Response Resolve Advocate Dispute Api Advocate Disputes  Dispute Id  Resolve Post
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      tags:
      - Advocate
  /api/advocate/status:
    get:
      summary: Get Advocate Status
      description: Public advocate metrics + HF-51.x probe verification.
      operationId: get_advocate_status_api_advocate_status_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                title: Response Get Advocate Status Api Advocate Status Get
      tags:
      - Advocate
components:
  schemas:
    DisputeResolveRequest:
      properties:
        sandbox_token:
          type: string
          title: Sandbox Token
        resolution:
          type: string
          title: Resolution
        status:
          type: string
          title: Status
        advocate_notes:
          anyOf:
          - type: string
          - type: 'null'
          title: Advocate Notes
      type: object
      required:
      - sandbox_token
      - resolution
      - status
      title: DisputeResolveRequest
      description: POST /api/advocate/disputes/{id}/resolve body.
    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