openapi: 3.2.0
info:
  title: Piknik.Spot Marketplace API
  description: Piknik.Spot API with OAuth2 authentication, Model Context Protocol (MCP) support, and Agent-to-Agent (A2A) capabilities for AI-powered local food system interactions.
  version: 1.0.0
  contact:
    name: Piknik.Spot API Support
    url: https://piknik.spot
    email: info@piknik.spot
  license:
    name: Proprietary
    url: https://piknik.spot/terms
servers:
- url: https://piknik.spot/api
  description: Production Server
- url: http://localhost:3000/api
  description: Development Server
tags:
- name: Marketplace
paths:
  /listings/{id}/accept:
    post:
      summary: POST /api/listings/[id]/accept
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      operationId: postListingsByIdAccept
      x-operation-id-source: derived
  /listings/{id}/confirm-acceptance:
    post:
      summary: POST /api/listings/[id]/confirm-acceptance
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      operationId: postListingsByIdConfirmAcceptance
      x-operation-id-source: derived
  /listings/{id}/confirm-direct-pickup:
    post:
      summary: POST /api/listings/[id]/confirm-direct-pickup
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      operationId: postListingsByIdConfirmDirectPickup
      x-operation-id-source: derived
  /listings/{id}/decline:
    post:
      summary: POST /api/listings/[id]/decline
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      operationId: postListingsByIdDecline
      x-operation-id-source: derived
  /listings/{id}/decline-acceptance:
    post:
      summary: POST /api/listings/[id]/decline-acceptance
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      operationId: postListingsByIdDeclineAcceptance
      x-operation-id-source: derived
  /listings/{id}/fulfill:
    post:
      summary: Mark listing as fulfilled
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      operationId: postListingsByIdFulfill
      x-operation-id-source: derived
  /listings/{id}/reactivate:
    post:
      summary: POST /api/listings/[id]/reactivate
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      operationId: postListingsByIdReactivate
      x-operation-id-source: derived
  /listings/{id}:
    get:
      summary: Get single listing
      tags:
      - Marketplace
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      operationId: getListingsById
      x-operation-id-source: derived
    put:
      summary: Get single listing
      tags:
      - Marketplace
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      operationId: putListingsById
      x-operation-id-source: derived
    delete:
      summary: Get single listing
      tags:
      - Marketplace
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      operationId: deleteListingsById
      x-operation-id-source: derived
  /listings/{id}/view:
    post:
      summary: POST /listings/{id}/view
      description: Endpoint for /listings/{id}/view
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      operationId: postListingsByIdView
      x-operation-id-source: derived
  /listings/my:
    get:
      summary: Get current user's listings
      tags:
      - Marketplace
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: status
        in: query
        schema:
          type: string
        description: status parameter
      operationId: getListingsMy
      x-operation-id-source: derived
  /listings:
    get:
      summary: Browse Marketplace Listings
      description: Search and browse marketplace listings with location filtering, search terms, and association filters.
      tags:
      - Marketplace
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: listingType
        in: query
        schema:
          type: boolean
        description: Type of listing
      - name: lat
        in: query
        schema:
          type: number
          format: double
        description: Latitude coordinate
      - name: lng
        in: query
        schema:
          type: number
          format: double
        description: Longitude coordinate
      - name: mine
        in: query
        schema:
          type: boolean
        description: Filter to only user's own items
      - name: q
        in: query
        schema:
          type: string
        description: Search query string
      - name: search
        in: query
        schema:
          type: string
        description: Search query string
      - name: maxRadius
        in: query
        schema:
          type: integer
        description: maxRadius parameter
      - name: limit
        in: query
        schema:
          type: integer
        description: Maximum number of results
      - name: offset
        in: query
        schema:
          type: integer
        description: Pagination offset
      - name: participantId
        in: query
        schema:
          type: string
        description: Participant identifier
      operationId: getListings
      x-operation-id-source: derived
    post:
      summary: Create Marketplace Listing
      description: Create a new marketplace listing for buying, selling, or offering services. Requires participant_id from /api/v2/participants/my-businesses.
      tags:
      - Marketplace
      responses: {}
      security:
      - bearerAuth: []
      - cookieAuth: []
      parameters:
      - name: listingType
        in: query
        schema:
          type: boolean
        description: Type of listing
      - name: lat
        in: query
        schema:
          type: number
          format: double
        description: Latitude coordinate
      - name: lng
        in: query
        schema:
          type: number
          format: double
        description: Longitude coordinate
      - name: mine
        in: query
        schema:
          type: boolean
        description: Filter to only user's own items
      - name: q
        in: query
        schema:
          type: string
        description: Search query string
      - name: search
        in: query
        schema:
          type: string
        description: Search query string
      - name: maxRadius
        in: query
        schema:
          type: integer
        description: maxRadius parameter
      - name: limit
        in: query
        schema:
          type: integer
        description: Maximum number of results
      - name: offset
        in: query
        schema:
          type: integer
        description: Pagination offset
      - name: participantId
        in: query
        schema:
          type: string
        description: Participant identifier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateListingRequest'
      operationId: postListings
      x-operation-id-source: derived
  /marketplace/contact:
    post:
      summary: POST /marketplace/contact
      description: Endpoint for /marketplace/contact
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
      - bearerAuth: []
      - cookieAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      operationId: postMarketplaceContact
      x-operation-id-source: derived
  /widget/listings/{id}/email-pdfs:
    post:
      summary: POST /widget/listings/{id}/email-pdfs
      description: Endpoint for /widget/listings/{id}/email-pdfs
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      operationId: postWidgetListingsByIdEmailPdfs
      x-operation-id-source: derived
  /widget/listings/{id}:
    patch:
      summary: PATCH /widget/listings/{id}
      description: Endpoint for /widget/listings/{id}
      tags:
      - Marketplace
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      operationId: patchWidgetListingsById
      x-operation-id-source: derived
    delete:
      summary: DELETE /widget/listings/{id}
      description: Endpoint for /widget/listings/{id}
      tags:
      - Marketplace
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security: []
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: id identifier
      operationId: deleteWidgetListingsById
      x-operation-id-source: derived
  /widget/listings:
    get:
      summary: GET /widget/listings
      description: Endpoint for /widget/listings
      tags:
      - Marketplace
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security: []
      operationId: getWidgetListings
      x-operation-id-source: derived
    post:
      summary: POST /widget/listings
      description: Endpoint for /widget/listings
      tags:
      - Marketplace
      responses:
        '201':
          description: Created successfully
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      operationId: postWidgetListings
      x-operation-id-source: derived
components:
  schemas:
    CreateListingRequest:
      type: object
      required:
      - participant_id
      - listing_type
      - title
      - description
      - contact_method
      - end_date
      properties:
        participant_id:
          type: string
          description: ID of the business creating the listing (get from /api/v2/participants/my-businesses)
        listing_type:
          type: string
          enum:
          - wanted_to_sell
          - wanted_to_buy
          - service_offering
        title:
          type: string
          maxLength: 200
        description:
          type: string
        quantity:
          type:
          - string
          - 'null'
        contact_method:
          type: string
          enum:
          - email
          - phone
          - message
        radius_km:
          type: number
          default: 50
        end_date:
          type: string
          format: date
          description: 'ISO date format: YYYY-MM-DD'
        wanted_in_return:
          type:
          - string
          - 'null'
        association_ids:
          type: array
          items:
            type: string
    Error:
      type: object
      properties:
        error:
          type: string
          description: Error message
        error_description:
          type: string
          description: Detailed error description
  securitySchemes:
    cookieAuth:
      type: apiKey
      in: cookie
      name: next-auth.session-token
      description: Session-based authentication for web browsers
    oauth2:
      type: oauth2
      description: OAuth 2.0 authentication for external applications and AI agents
      flows:
        authorizationCode:
          authorizationUrl: https://piknik.spot/api/oauth/authorize
          tokenUrl: https://piknik.spot/api/oauth/token
          refreshUrl: https://piknik.spot/api/oauth/token
          scopes:
            marketplace:write: Create and manage marketplace listings
            events:write: Create and manage community events
            read:profile: Read user profile information
            write:profile: Update user profile information
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'OAuth2 access token (JWT). Include in Authorization header as: Bearer {token}'