# AT&T Messages API

**Canonical:** https://apis.io/apis/att/att-messages-api/  
**Provider:** AT&T — https://apis.io/providers/att/  
**Base URL:** https://api.att.com  
**Documentation:** https://developer.att.com/in-app-messaging/docs

AT&T Messages API is one of 28 APIs that [AT&T](https://apis.io/providers/att/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Message. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and authentication docs.

The Messages API from AT&T — 2 operation(s) for messages.

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/att/refs/heads/main/openapi/att-messages-api-openapi.yml
- **Documentation** — https://developer.att.com/in-app-messaging/docs
- **Authentication** — https://developer.att.com/oauth-2/docs

## Other AT&T APIs (12)

- [AT&T OAuth 2.0 API](https://apis.io/apis/att/att-oauth-api/)
- [AT&T Alliance Wireline APIs](https://apis.io/apis/att/att-alliance-wireline-apis/)
- [AT&T Authentication API](https://apis.io/apis/att/att-authentication-api/)
- [AT&T Balance Management API](https://apis.io/apis/att/att-balance-management-api/)
- [AT&T Device Management API](https://apis.io/apis/att/att-device-management-api/)
- [AT&T Geographic Sites API](https://apis.io/apis/att/att-geographic-sites-api/)
- [AT&T Inbox Management API](https://apis.io/apis/att/att-inbox-management-api/)
- [AT&T Number Management API](https://apis.io/apis/att/att-number-management-api/)
- [AT&T Porting API](https://apis.io/apis/att/att-porting-api/)
- [AT&T Product Orders API](https://apis.io/apis/att/att-product-orders-api/)
- [AT&T Service Management API](https://apis.io/apis/att/att-service-management-api/)
- [AT&T SMS Messaging API](https://apis.io/apis/att/att-sms-messaging-api/)

## Tags

Message

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/att/att-messages-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/att/.