AT&T Number Verification API

openapi: 3.0.3
info:
  title: AT&T Enterprise Connectivity APIs Device Status Number Verification API
  description: Enterprise-grade APIs for AT&T wireline business services including service qualification, quoting, ordering, and provisioning. The Alliance API suite supports automated ordering of AVPN, IPBB, ATTPhone, ASE, and AT&T Internet Air for Business services.
  version: 1.0.0
  contact:
    name: AT&T Alliance Developer Portal
    url: https://devex-web.att.com/alliance
  termsOfService: https://www.att.com/gen/general?pid=11561
servers:
- url: https://devex-web.att.com
  description: AT&T Enterprise API Server
security:
- oauth2: []
tags:
- name: Number Verification
  description: Silent phone number verification
paths:
  /number-verification/v1/verify:
    post:
      operationId: verifyPhoneNumber
      summary: Verify AT&T Phone Number
      description: Silently verify that a device is using a specific phone number via the AT&T network signal, without requiring user OTP entry.
      tags:
      - Number Verification
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/NumberVerificationRequest'
            examples:
              verify:
                summary: Verify Phone Number
                value:
                  phoneNumber: '+12125551234'
      responses:
        '200':
          description: Phone number verification result
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NumberVerificationResponse'
              examples:
                verified:
                  summary: Phone Number Verified
                  value:
                    devicePhoneNumberVerified: true
                notVerified:
                  summary: Phone Number Not Verified
                  value:
                    devicePhoneNumberVerified: false
        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        status:
          type: integer
          description: HTTP status code
        code:
          type: string
          description: CAMARA error code
        message:
          type: string
          description: Error description
    NumberVerificationResponse:
      type: object
      properties:
        devicePhoneNumberVerified:
          type: boolean
          description: Whether the device is using the specified phone number
    NumberVerificationRequest:
      type: object
      required:
      - phoneNumber
      properties:
        phoneNumber:
          type: string
          description: E.164 format phone number to verify
          pattern: ^\+[1-9]\d{1,14}$
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://devex-web.att.com/oauth/token
          scopes:
            enterprise: Access AT&T enterprise connectivity APIs