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OpenAPI Specification

openapi: 3.2.0
info:
  title: Trimble Mobile Manager Catalyst Positioning API
  description: The Trimble Mobile Manager (TMM) API provides developer interfaces for integrating high-accuracy GNSS positioning from connected Trimble receivers into custom mobile applications. Offers a local REST API for system information and WebSocket stream initiation, plus real-time GNSS position delivery via WebSocket. Supports Trimble Catalyst DA2, R580, R780, R12i, R980, and SP100 receivers. Runs locally on Android or iOS devices where Trimble Mobile Manager is installed.
  version: 1.0.0
  contact:
    url: https://developer.trimble.com/docs/mobile-manager/
servers:
- url: http://localhost:{apiPort}
  description: Local Trimble Mobile Manager API server (running on device)
  variables:
    apiPort:
      default: '8080'
      description: API port returned by tmmInfo endpoint
security:
- basicAuth: []
tags:
- name: Positioning
paths:
  /api/v1/positionStream:
    get:
      operationId: startPositionStream
      summary: Start Position Stream
      description: Initiates position streaming from the connected GNSS receiver. Returns the WebSocket port number for connecting to the position stream. After calling this endpoint, open a WebSocket connection to ws://localhost:{port} to receive real-time GNSS position data.
      tags:
      - Positioning
      parameters:
      - name: format
        in: query
        schema:
          type: string
          enum:
          - locationV1
          - locationV2
          default: locationV2
        description: Position data format version. locationV2 includes extended fields for IMU orientation, TIP positions, and reference frame data.
      responses:
        '200':
          description: WebSocket port for position stream
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PositionStreamResponse'
        '401':
          description: Unauthorized
components:
  schemas:
    PositionStreamResponse:
      type: object
      description: Response containing WebSocket port for position streaming
      required:
      - port
      properties:
        port:
          type: integer
          description: WebSocket port to connect to for position stream
        format:
          type: string
          description: Position format version that will be streamed
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: Access code generated using SHA256 hash of (applicationId + currentUTCTime), Base64 encoded. Valid for 1 second only. Must be regenerated per request.