AT&T Device Roaming API

openapi: 3.0.3
info:
  title: AT&T Device Roaming API
  description: CAMARA-standard API that checks the connectivity status of user equipment, including roaming information. Enables applications to determine if a device is reachable, connected, and whether it is roaming on a partner network. Part of the AT&T Network API Accelerator Program.
  version: '1.0'
  contact:
    url: https://devex-web.att.com/developer-hub/docs/network-api-accelerator-program
  termsOfService: https://www.att.com/gen/general?pid=11561
  x-generated-from: documentation
  x-last-validated: '2026-04-19'
servers:
- url: https://api.att.com/camara/device-status/v1
  description: AT&T CAMARA Device Status API endpoint
tags:
- name: Device Roaming
paths:
  /roaming:
    post:
      operationId: getDeviceRoamingStatus
      summary: AT&T Get Device Roaming Status
      description: Check whether a device is currently roaming on a partner network outside of the AT&T home network. Returns the roaming status and optionally the country the device is roaming in.
      tags:
      - Device Roaming
      security:
      - oauth2: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DeviceRoamingRequest'
            examples:
              GetDeviceRoamingStatusRequestExample:
                summary: Default getDeviceRoamingStatus request
                x-microcks-default: true
                value:
                  device:
                    phoneNumber: '+12125551234'
      responses:
        '200':
          description: Device roaming status retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeviceRoamingStatus'
              examples:
                GetDeviceRoamingStatus200Example:
                  summary: Default getDeviceRoamingStatus 200 response
                  x-microcks-default: true
                  value:
                    roaming: false
                    countryCode: null
                    countryName: null
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorInfo'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorInfo'
        '404':
          description: Device not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorInfo'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    DeviceRoamingRequest:
      type: object
      required:
      - device
      properties:
        device:
          $ref: '#/components/schemas/Device'
    Device:
      type: object
      description: Device identifier for connectivity status queries
      properties:
        phoneNumber:
          type: string
          description: Mobile phone number in E.164 format
          example: '+12125551234'
        ipv4Address:
          type: object
          description: Device IPv4 address (alternative to phoneNumber)
          properties:
            publicAddress:
              type: string
              description: Public IPv4 address
              example: 203.0.113.42
            privateAddress:
              type: string
              description: Private IPv4 address
              example: 10.0.0.5
            publicPort:
              type: integer
              description: Public port if behind NAT
              example: 54321
        networkAccessIdentifier:
          type: string
          description: Network access identifier (alternative to phoneNumber)
          example: user@example.com
    ErrorInfo:
      type: object
      properties:
        status:
          type: integer
          description: HTTP status code
          example: 400
        code:
          type: string
          description: CAMARA error code
          example: INVALID_ARGUMENT
        message:
          type: string
          description: Human-readable error message
          example: Invalid device identifier provided
    DeviceRoamingStatus:
      type: object
      properties:
        roaming:
          type: boolean
          description: Whether the device is roaming
          example: false
        countryCode:
          type: integer
          nullable: true
          description: Country code where device is roaming (ITU-T E.164)
          example: null
        countryName:
          type: array
          nullable: true
          description: Country name(s) where device is roaming
          items:
            type: string
          example: null
  securitySchemes:
    oauth2:
      type: oauth2
      description: AT&T OAuth 2.0 for CAMARA network APIs
      flows:
        clientCredentials:
          tokenUrl: https://api.att.com/oauth/v4/token
          scopes: {}