openapi: 3.1.0
info:
  title: project44 Shipments Tracking API
  description: project44 Tracking API provides real-time shipment tracking and visibility for multimodal freight including truckload (TL), LTL, ocean, rail, air, and parcel. APIs deliver shipment status updates, predictive ETAs, and exception alerts.
  version: 2.0.0
  contact:
    name: project44 Support
    url: https://support.project44.com
  license:
    name: project44 Terms of Service
    url: https://www.project44.com/legal/
servers:
- url: https://api.project44.com/api/v4
  description: project44 Production API
security:
- oauth2: []
tags:
- name: Tracking
  description: Real-time position and event tracking
paths:
  /shipments/{shipmentId}/positions:
    get:
      operationId: getShipmentPositions
      summary: Get shipment position history
      description: Returns GPS position history for a shipment.
      tags:
      - Tracking
      parameters:
      - $ref: '#/components/parameters/ShipmentId'
      - name: startTime
        in: query
        schema:
          type: string
          format: date-time
      - name: endTime
        in: query
        schema:
          type: string
          format: date-time
      - name: limit
        in: query
        schema:
          type: integer
          default: 100
      responses:
        '200':
          description: Position history
          content:
            application/json:
              schema:
                type: object
                properties:
                  positions:
                    type: array
                    items:
                      $ref: '#/components/schemas/Position'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  parameters:
    ShipmentId:
      name: shipmentId
      in: path
      required: true
      description: project44 shipment identifier
      schema:
        type: string
        format: uuid
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      properties:
        code:
          type: string
        message:
          type: string
        details:
          type: array
          items:
            type: object
    Position:
      type: object
      properties:
        timestamp:
          type: string
          format: date-time
        latitude:
          type: number
          format: double
        longitude:
          type: number
          format: double
        heading:
          type: number
          format: double
          nullable: true
        speed:
          type: number
          format: double
          nullable: true
        speedUnit:
          type: string
          enum:
          - MPH
          - KPH
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://api.project44.com/api/v4/oauth2/token
          scopes:
            tracking.read: Read shipment tracking data
            tracking.write: Create and manage shipments
            webhooks.write: Manage webhook subscriptions