International Business Machines IBM watsonx Assistant v2 API — Messages

International Business Machines IBM watsonx Assistant v2 API — Messages. 2 operations. Lead operation: International Business Machines Send user input to assistant (stateless). Self-contained Naftiko capability covering one International Business Machines business surface.

Run with Naftiko International Business MachinesMessages

What You Can Do

POST
Messagestateless — International Business Machines Send user input to assistant (stateless)
/v1/v2/assistants/{assistant-id}/message
POST
Message — International Business Machines Send user input to assistant
/v1/v2/assistants/{assistant-id}/sessions/{session-id}/message

MCP Tools

international-business-machines-send-user

International Business Machines Send user input to assistant (stateless)

international-business-machines-send-user-2

International Business Machines Send user input to assistant

Capability Spec

ibm-watsonx-assistant-messages.yaml Raw ↑
naftiko: 1.0.0-alpha2
info:
  label: International Business Machines IBM watsonx Assistant v2 API — Messages
  description: 'International Business Machines IBM watsonx Assistant v2 API — Messages. 2 operations. Lead operation: International
    Business Machines Send user input to assistant (stateless). Self-contained Naftiko capability covering one International
    Business Machines business surface.'
  tags:
  - International Business Machines
  - Messages
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    INTERNATIONAL_BUSINESS_MACHINES_API_KEY: INTERNATIONAL_BUSINESS_MACHINES_API_KEY
capability:
  consumes:
  - type: http
    namespace: ibm-watsonx-assistant-messages
    baseUri: https://api.us-south.assistant.watson.cloud.ibm.com
    description: International Business Machines IBM watsonx Assistant v2 API — Messages business capability. Self-contained,
      no shared references.
    resources:
    - name: v2-assistants-assistant_id-message
      path: /v2/assistants/{assistant_id}/message
      operations:
      - name: messagestateless
        method: POST
        description: International Business Machines Send user input to assistant (stateless)
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: assistant_id
          in: path
          type: string
          required: true
        - name: version
          in: query
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    - name: v2-assistants-assistant_id-sessions-session_id-message
      path: /v2/assistants/{assistant_id}/sessions/{session_id}/message
      operations:
      - name: message
        method: POST
        description: International Business Machines Send user input to assistant
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: assistant_id
          in: path
          type: string
          required: true
        - name: session_id
          in: path
          type: string
          required: true
        - name: version
          in: query
          type: string
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    authentication:
      type: bearer
      token: '{{env.INTERNATIONAL_BUSINESS_MACHINES_API_KEY}}'
  exposes:
  - type: rest
    namespace: ibm-watsonx-assistant-messages-rest
    port: 8080
    description: REST adapter for International Business Machines IBM watsonx Assistant v2 API — Messages. One Spectral-compliant
      resource per consumed operation, prefixed with /v1.
    resources:
    - path: /v1/v2/assistants/{assistant-id}/message
      name: v2-assistants-assistant-id-message
      description: REST surface for v2-assistants-assistant_id-message.
      operations:
      - method: POST
        name: messagestateless
        description: International Business Machines Send user input to assistant (stateless)
        call: ibm-watsonx-assistant-messages.messagestateless
        with:
          assistant_id: rest.assistant_id
          version: rest.version
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/v2/assistants/{assistant-id}/sessions/{session-id}/message
      name: v2-assistants-assistant-id-sessions-session-id-message
      description: REST surface for v2-assistants-assistant_id-sessions-session_id-message.
      operations:
      - method: POST
        name: message
        description: International Business Machines Send user input to assistant
        call: ibm-watsonx-assistant-messages.message
        with:
          assistant_id: rest.assistant_id
          session_id: rest.session_id
          version: rest.version
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: ibm-watsonx-assistant-messages-mcp
    port: 9090
    transport: http
    description: MCP adapter for International Business Machines IBM watsonx Assistant v2 API — Messages. One tool per consumed
      operation, routed inline through this capability's consumes block.
    tools:
    - name: international-business-machines-send-user
      description: International Business Machines Send user input to assistant (stateless)
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: ibm-watsonx-assistant-messages.messagestateless
      with:
        assistant_id: tools.assistant_id
        version: tools.version
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: international-business-machines-send-user-2
      description: International Business Machines Send user input to assistant
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: ibm-watsonx-assistant-messages.message
      with:
        assistant_id: tools.assistant_id
        session_id: tools.session_id
        version: tools.version
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.