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AT&T Authentication API

The Authentication API from AT&T — 1 operation(s) for authentication.

AT&T Authentication API is one of 14 APIs that AT&T publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Authentication. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, authentication docs, and a getting-started guide.

This API exposes 1 operation across 1 path, and defines 3 schemas. It is described by OpenAPI 3.0.3, at version 2.0.

Requests are made against a single base URL, https://api.att.com.

1 operations 1 paths 3 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
2.0
Base URL
https://api.att.com
Authentication
OAuth 2.0
Terms of Service
Resource Areas
1

Authentication & Security 1

AT&T Authentication API declares 1 security scheme for authenticating requests. It supports OAuth 2.0 (oauth2) using the authorizationCode flow, exposing 2 scopes.

  • oauth2 — AT&T OAuth 2.0 with user consent via authorization code flow

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Authentication 1
POST
/oauth/v4/token
AT&T Get OAuth Access Token
getAccessToken body → 200400401

Schemas 3

The contract defines 3 schemas that model the data the API accepts and returns. The most detailed are TokenRequest (6 properties), TokenResponse (4 properties), ErrorResponse (1 property). Each schema is shown below with its type and property counts.

ErrorResponse
object
1 property
TokenRequest
object
6 properties 4 required
TokenResponse
object
4 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

at-and-t-authentication-api-openapi.yml Raw ↑

Other APIs AT&T publishes across the network.

AT&T OAuth 2.0 API
AT&T Alliance Wireline APIs
AT&T Balance Management API
AT&T Device Management API
AT&T Geographic Sites API
AT&T Inbox Management API
AT&T Messages API
AT&T Number Management API
AT&T Porting API
AT&T Product Orders API
AT&T Service Management API
AT&T SMS Messaging API