> ## Documentation Index
> Fetch the complete documentation index at: https://docs.duohub.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Message

> Retrieve a single message by ID



## OpenAPI

````yaml GET /messages/get/{id}
openapi: 3.1.0
info:
  title: duohub Retriever API
  description: >-
    Retrieve assisted or non-assisted memory from a duohub knowledge graph. For
    best performance, use the official `duohub` Python package.
  version: 1.0.0
servers:
  - url: https://api.duohub.ai
security:
  - APIKeyHeader: []
paths:
  /messages/get/{id}:
    get:
      tags:
        - Messages
      summary: Get Message
      description: Retrieve a single message by ID
      operationId: getMessage
      parameters:
        - name: id
          in: path
          required: true
          description: ID of the message to retrieve
          schema:
            type: string
      responses:
        '200':
          description: Message retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    enum:
                      - success
                  data:
                    type: object
                    properties:
                      id:
                        type: string
                        description: Message unique identifier
                      sessionID:
                        type: string
                        description: Session ID
                      role:
                        type: string
                        enum:
                          - norole
                          - system
                          - assistant
                          - user
                          - function
                          - tool
                        description: Message role
                      content:
                        type: string
                        description: Message content
                      userID:
                        type: string
                        description: User ID
                      customerUserID:
                        type: string
                        description: Customer user ID
                        nullable: true
                      createdAt:
                        type: string
                        format: date-time
                        description: Creation timestamp
                      updatedAt:
                        type: string
                        format: date-time
                        description: Last update timestamp
                required:
                  - status
                  - data
                example:
                  status: success
                  data:
                    id: 123e4567-e89b-12d3-a456-426614174000
                    sessionID: 987fcdeb-51a2-43b7-91fa-987654321000
                    role: user
                    content: Hello, how can I help you today?
                    userID: d99e7428-40e1-7073-aa50-94cee086b518
                    customerUserID: cust-123
                    createdAt: '2024-01-01T00:00:00.000Z'
                    updatedAt: '2024-01-01T00:00:00.000Z'
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                    description: Error message
                  status:
                    type: string
                    enum:
                      - bad_request
                required:
                  - error
                  - status
                examples:
                  no_headers:
                    value:
                      error: No headers provided
                      status: bad_request
                  invalid_json:
                    value:
                      error: Invalid JSON in request body
                      status: bad_request
                  missing_id:
                    value:
                      error: Message ID is required
                      status: bad_request
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                    description: Error message
                  status:
                    type: string
                    enum:
                      - unauthorized
                required:
                  - error
                  - status
                example:
                  error: API key is required
                  status: unauthorized
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                    description: Error message
                  status:
                    type: string
                    enum:
                      - forbidden
                required:
                  - error
                  - status
                examples:
                  invalid_key:
                    value:
                      error: Invalid API key
                      status: forbidden
                  unauthorized:
                    value:
                      error: Not authorized to delete this message
                      status: forbidden
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                    description: Error message
                  status:
                    type: string
                    enum:
                      - error
                required:
                  - error
                  - status
                example:
                  error: Internal server error
                  status: error
components:
  securitySchemes:
    APIKeyHeader:
      type: apiKey
      in: header
      name: X-API-Key
      description: 'Your duohub API key. Type: str'

````