AT&T

aid: at-and-t
name: AT&T
description: AT&T is a multinational telecommunications holding company providing wireless and wireline telecommunications
  services, broadband, and digital entertainment to consumers and businesses worldwide. AT&T offers a suite of developer APIs
  spanning messaging, speech, mobile virtual network operations, business voice, wholesale service qualification, enterprise
  wireline ordering, and mobility management, enabling developers and enterprise partners to integrate AT&T network capabilities
  into applications and systems.
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Fortune 100
- Telecommunications
- Wireless
- Wireline
- Messaging
- Speech
- Mobile
- Broadband
- Enterprise
url: https://raw.githubusercontent.com/api-evangelist/at-and-t/refs/heads/main/apis.yml
created: '2026-03-21'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: at-and-t:att-sms-api
  name: AT&T SMS API
  description: A RESTful API enabling established businesses to broadcast SMS short code messages to AT&T subscribers in the
    United States. Supports sending to up to 50 recipients per call and up to 1 million messaging API calls monthly. Includes
    delivery status callbacks and GSMA OneAPI-compatible endpoints.
  humanURL: https://developer.att.com/sms
  baseURL: https://api.att.com
  tags:
  - SMS
  - Messaging
  - Short Code
  - Notifications
  properties:
  - type: Documentation
    url: https://developer.att.com/sms/docs
  - type: APIReference
    url: https://developer.att.com/sms/docs/v2
  - type: Authentication
    url: https://developer.att.com/oauth-2/docs
  - type: GettingStarted
    url: https://developer.att.com/sms
  - type: OpenAPI
    url: openapi/at-and-t-sms-api.yaml
- aid: at-and-t:att-in-app-messaging-api
  name: AT&T In-App Messaging API
  description: A messaging API enabling applications to send, receive, update, and delete MMS and SMS messages on behalf of
    users with explicit consent. Supports messages to phone numbers, short codes, and email addresses across AT&T and other
    carriers, with inbox management and delta synchronization.
  humanURL: https://developer.att.com/in-app-messaging
  baseURL: https://api.att.com
  tags:
  - MMS
  - SMS
  - Messaging
  - In-App
  - Inbox
  properties:
  - type: Documentation
    url: https://developer.att.com/in-app-messaging/docs
  - type: Authentication
    url: https://developer.att.com/oauth-2/docs
  - type: OpenAPI
    url: openapi/at-and-t-in-app-messaging-api.yaml
- aid: at-and-t:att-oauth-api
  name: AT&T OAuth 2.0 API
  description: AT&T OAuth 2.0 authentication API providing access tokens for all AT&T REST APIs. Supports Authorization Code,
    Client Credentials, and Refresh Token grant types. Scopes include ADS, MMS, SMS, SPEECH, STTC, and TTS.
  humanURL: https://developer.att.com/oauth-2
  baseURL: https://api.att.com
  tags:
  - OAuth
  - Authentication
  - Authorization
  - Security
  properties:
  - type: Documentation
    url: https://developer.att.com/oauth-2/docs
  - type: Authentication
    url: https://developer.att.com/oauth-2/docs
- aid: at-and-t:att-mvnx-api
  name: AT&T MVNX API
  description: TM Forum-aligned API suite for mobile virtual network operators (MVNOs) enabling subscriber activation, number
    management, porting operations, device and SIM management, subscriber profile management, service management, and policy
    and balance management. Follows TMF standards (622, 637, 639, 640, 654, 674, 689, 702, 716, 761).
  humanURL: https://devex-web.att.com/mvnx
  baseURL: https://devex-web.att.com
  tags:
  - MVNO
  - Mobile
  - Subscriber
  - TM Forum
  - Porting
  - SIM
  properties:
  - type: Documentation
    url: https://devex-web.att.com/mvnx/docs/mvnx-quickstart
  - type: GettingStarted
    url: https://devex-web.att.com/mvnx/docs/mvnx-quickstart
  - type: OpenAPI
    url: openapi/at-and-t-mvnx-api.yaml
- aid: at-and-t:att-alliance-wireline-apis
  name: AT&T Alliance Wireline APIs
  description: Wireline business APIs enabling partners to expedite quoting, service qualification, and ordering of AT&T wireline
    products. Includes Quick Quote, Product Catalog, Service Qualification, Price Offer, Wireline Ordering, Order Status,
    AIAB (AT&T Internet Air for Business) Ordering, and Address Search APIs.
  humanURL: https://devex-web.att.com/alliance
  baseURL: https://devex-web.att.com
  tags:
  - Wireline
  - Enterprise
  - Ordering
  - Service Qualification
  - Quoting
  properties:
  - type: Documentation
    url: https://devex-web.att.com/alliance
  - type: GettingStarted
    url: https://devex-web.att.com/order/docs/get-started-with-ordering-api
common:
- type: LinkedIn
  url: https://www.linkedin.com/company/att
- type: Website
  url: https://www.att.com
- type: Portal
  url: https://developer.att.com/s/
- type: DeveloperPortal
  url: https://devex-web.att.com/
- type: Documentation
  url: https://developer.att.com/s/
- type: Authentication
  url: https://developer.att.com/oauth-2/docs
- type: Support
  url: https://developer.att.com/support
- type: FAQ
  url: https://developer.att.com/support/faqs/att-developer-program-and-api-platform-faqs
- type: TermsOfService
  url: https://www.att.com/gen/general?pid=11561
- type: PrivacyPolicy
  url: https://www.att.com/gen/privacy-policy?pid=2506
- type: Signup
  url: https://developer.att.com/developer/manageMyAccount.jsp
- type: GitHubOrganization
  url: https://github.com/attdevsupport
- type: GitHubOrganization
  url: https://github.com/att
- type: SpectralRules
  url: rules/at-and-t-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/at-and-t-vocabulary.yaml
- type: Features
  data:
  - 'AT&T: API access via partner / B2B contracts only'
  - No public API pricing published — contact enterprise sales
  - AT&T Business APIs (Network APIs, IoT Connectivity, etc.) are sold via partner program with custom contracts.
  sources:
  - https://developer.att.com/
  - https://www.att.com/business/
  updated: '2026-05-04'
- type: UseCases
  data:
  - name: SMS Alerts and Notifications
    description: Send security verification codes, appointment reminders, promotional offers, and customer feedback requests
      via SMS short code.
  - name: In-App Messaging Integration
    description: Embed MMS and SMS messaging directly into mobile applications with full inbox management capabilities.
  - name: Mobile Virtual Network Operations
    description: Launch and operate MVNO services using AT&T's network with automated subscriber onboarding, porting, and
      lifecycle management.
  - name: Enterprise Wireline Ordering
    description: Automate service qualification, quoting, and order submission for enterprise connectivity services.
- type: Integrations
  data:
  - name: IBM Worklight
    description: AT&T API Platform Adapters for IBM Worklight mobile development platform.
  - name: Salesforce Platform
    description: AT&T Toolkit for Salesforce enabling speech and messaging API integration in Salesforce apps.
  - name: TM Forum APIs
    description: MVNX APIs align with TM Forum Open API standards including TMF 622, 637, 639, 640, 654, 674, 689, 702, 716,
      and 761.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com