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OpenAPI Specification

openapi: 3.2.0
info:
  title: Facebook Messenger Platform Conversations API
  description: Build messaging experiences on Facebook Messenger and Instagram Direct. Send and receive messages, create bot interactions, use templates, and manage conversation routing.
  version: '21.0'
  contact:
    name: Meta Platforms
    url: https://developers.facebook.com
  x-generated-from: documentation
  x-last-validated: '2026-04-18'
servers:
- url: https://graph.facebook.com/v21.0
  description: Messenger Platform API v21.0
security:
- BearerAuth: []
tags:
- name: Conversations
paths:
  /{conversation-id}:
    get:
      operationId: getConversation
      summary: Facebook Get Conversation
      description: Retrieve a conversation by ID.
      tags:
      - Conversations
      parameters:
      - name: conversation-id
        in: path
        required: true
        description: The conversation ID.
        schema:
          type: string
        example: t_100001234567890
      responses:
        '200':
          description: Conversation retrieved successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Conversation'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /{page-id}/conversations:
    get:
      operationId: listConversations
      summary: Facebook List Conversations
      description: Retrieve all conversations for a page.
      tags:
      - Conversations
      parameters:
      - name: page-id
        in: path
        required: true
        description: The page ID.
        schema:
          type: string
        example: '200001234567890'
      responses:
        '200':
          description: Conversations retrieved successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ConversationList'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    Message:
      type: object
      description: A message in a conversation.
      properties:
        id:
          type: string
          description: Message ID.
          example: mid.1234567890
        message:
          type: string
          description: Message text.
          example: Hello!
        created_time:
          type: string
          format: date-time
          description: Message creation time.
        from:
          type: object
          properties:
            id:
              type: string
            name:
              type: string
    ConversationList:
      type: object
      description: Paginated list of conversations.
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/Conversation'
        paging:
          type: object
          properties:
            cursors:
              type: object
              properties:
                before:
                  type: string
                after:
                  type: string
            next:
              type: string
              format: uri
    Conversation:
      type: object
      description: A Messenger conversation.
      properties:
        id:
          type: string
          description: Conversation ID.
          example: t_100001234567890
        updated_time:
          type: string
          format: date-time
          description: Last update time.
        participants:
          type: object
          description: Conversation participants.
          properties:
            data:
              type: array
              items:
                type: object
                properties:
                  id:
                    type: string
                  name:
                    type: string
        messages:
          type: object
          description: Messages in the conversation.
          properties:
            data:
              type: array
              items:
                $ref: '#/components/schemas/Message'
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Page access token with pages_messaging permission.