openapi: 3.0.3
info:
  title: Rainbow Application Portal Applications Messages API
  description: The Rainbow Application Portal API allows developers to register and manage Rainbow applications, configure OAuth clients, and perform administrative operations on the Rainbow CPaaS platform by Alcatel-Lucent Enterprise.
  version: '1.0'
  contact:
    url: https://developers.openrainbow.com/
  x-tags:
  - Applications
  - Administration
  - OAuth
  - Provisioning
  - CPaaS
servers:
- url: https://openrainbow.com/api/rainbow
  description: Rainbow Production API
security:
- BearerAuth: []
tags:
- name: Messages
  description: Send and receive chat messages
paths:
  /enduser/v1.0/messages:
    post:
      operationId: sendMessage
      summary: Send Message
      description: Send a chat message to a contact or into a bubble (group room). Supports text messages and file attachments.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SendMessageRequest'
      responses:
        '200':
          description: Message sent successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MessageResponse'
        '400':
          description: Bad Request - invalid message payload
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /enduser/v1.0/conversations/{conversationId}/messages:
    get:
      operationId: getConversationMessages
      summary: Get Conversation Messages
      description: Returns the message history for a specific conversation.
      tags:
      - Messages
      parameters:
      - name: conversationId
        in: path
        required: true
        description: Unique identifier of the conversation
        schema:
          type: string
      - name: limit
        in: query
        required: false
        description: Maximum number of messages to return
        schema:
          type: integer
          default: 50
          maximum: 200
      - name: before
        in: query
        required: false
        description: Return messages before this timestamp (ISO 8601)
        schema:
          type: string
          format: date-time
      responses:
        '200':
          description: Message history for the conversation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MessageListResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Conversation not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    MessageResponse:
      type: object
      properties:
        id:
          type: string
          description: Unique message identifier
        content:
          type: string
          description: Message text content
        from:
          type: string
          description: Sender's contact ID
        to:
          type: string
          description: Recipient contact ID or bubble ID
        type:
          type: string
          enum:
          - chat
          - groupchat
        timestamp:
          type: string
          format: date-time
          description: Message creation timestamp
        status:
          type: string
          enum:
          - sent
          - delivered
          - read
    SendMessageRequest:
      type: object
      required:
      - content
      properties:
        content:
          type: string
          description: Text content of the message
        to:
          type: string
          description: Recipient contact ID or bubble ID
        type:
          type: string
          enum:
          - chat
          - groupchat
          default: chat
          description: Message type - chat for 1-to-1, groupchat for bubbles
    MessageListResponse:
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/MessageResponse'
        total:
          type: integer
        limit:
          type: integer
        offset:
          type: integer
    ErrorResponse:
      type: object
      properties:
        code:
          type: integer
          description: Error code
        msg:
          type: string
          description: Error message
        param:
          type: string
          description: Parameter that caused the error
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Bearer token from OAuth2 token endpoint