# AT&T

**Canonical:** https://apis.io/providers/at-and-t/  
**Website:** https://www.att.com  
**APIs profiled:** 14

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.

## Kin Score — 57.3 / 100 (strong)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 57.3).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 63.2 |
| Governance | 54.5 |
| Contract Governance | 54.5 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 35.7 |
| Commercial Clarity | 63.2 |
| Access Clarity | 63.2 |

Regulatory layer — **Telecommunications**: 58.3 (matched via tags).

## Agent readiness — 48.3 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | yes |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Enterprise · Self-serve signup — onboarding: self-serve, pricing: enterprise, trial: no (confidence: high).

## APIs (14)

- **AT&T OAuth 2.0 API** — 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 ...
- **AT&T Alliance Wireline APIs** — Wireline business APIs enabling partners to expedite quoting, service qualification, and ordering of AT&T wireline products. Includes Quick Quote, Product Catalog, Service Quali...
- **AT&T Authentication API** — The Authentication API from AT&T — 1 operation(s) for authentication.
- **AT&T Balance Management API** — The Balance Management API from AT&T — 1 operation(s) for balance management.
- **AT&T Device Management API** — The Device Management API from AT&T — 2 operation(s) for device management.
- **AT&T Geographic Sites API** — The Geographic Sites API from AT&T — 1 operation(s) for geographic sites.
- **AT&T Inbox Management API** — The Inbox Management API from AT&T — 2 operation(s) for inbox management.
- **AT&T Messages API** — The Messages API from AT&T — 2 operation(s) for messages.
- **AT&T Number Management API** — The Number Management API from AT&T — 2 operation(s) for number management.
- **AT&T Porting API** — The Porting API from AT&T — 3 operation(s) for porting.
- **AT&T Product Orders API** — The Product Orders API from AT&T — 1 operation(s) for product orders.
- **AT&T Service Management API** — The Service Management API from AT&T — 1 operation(s) for service management.
- **AT&T SMS Messaging API** — The SMS Messaging API from AT&T — 3 operation(s) for sms messaging.
- **AT&T Subscriber Management API** — The Subscriber Management API from AT&T — 1 operation(s) for subscriber management.

## Agentic access (1)

- **At And T Agentic Access** — 26 operations · 14 acting · 1 human-in-the-loop

## Security (2)

- **At And T Authentication** — apiKey/oauth2 · 3 schemes
- **At And T Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **At And T Plans Pricing**

## Use cases (4)

- **SMS Alerts and Notifications** — Send security verification codes, appointment reminders, promotional offers, and customer feedback requests via SMS short code.
- **In-App Messaging Integration** — Embed MMS and SMS messaging directly into mobile applications with full inbox management capabilities.
- **Mobile Virtual Network Operations** — Launch and operate MVNO services using AT&T's network with automated subscriber onboarding, porting, and lifecycle management.
- **Enterprise Wireline Ordering** — Automate service qualification, quoting, and order submission for enterprise connectivity services.

## Tags

Fortune 100, Telecommunications, Wireless, Wireline, Messaging, Speech, Mobile, Broadband, Enterprise

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/at-and-t/). Scores are computed from the provider's own public artifacts under a published rubric.