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AT Protocol identity API

DID and handle resolution, identity management

AT Protocol identity API is one of 9 APIs that AT Protocol publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include identity. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 3 operations across 3 paths, and defines 1 schema. It is described by OpenAPI 3.0.3, at version 1.0.0.

Requests are made against 2 base URLs: https://public.api.bsky.app/xrpc, https://api.bsky.app/xrpc.

3 operations 3 paths 1 schemas 2 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
1.0.0
Base URL
https://bsky.social/xrpc
Authentication
HTTP Bearer
Contact
Resource Areas
1

Authentication & Security 1

AT Protocol identity API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (JWT) (bearerAuth). By default, every request must be authenticated, though some operations may also be called without credentials.

  • bearerAuth — Access JWT obtained from com.atproto.server.createSession

Paths & Operations 3

Across 3 paths, the API surfaces 3 operations — 2 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

identity 3

DID and handle resolution, identity management

GET
/com.atproto.identity.resolveHandle
Resolve Handle
com_atproto_identity_resolveHandle 1 param → 200400
POST
/com.atproto.identity.updateHandle
Update Handle
com_atproto_identity_updateHandle body → 200400401
GET
/com.atproto.identity.resolveDid
Resolve DID
com_atproto_identity_resolveDid 1 param → 200400

Schemas 1

The contract defines 1 schema that model the data the API accepts and returns. The most detailed is Error (2 properties). Each schema is shown below with its type and property counts.

Error
object
2 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

atproto-identity-api-openapi.yml Raw ↑

Other APIs AT Protocol publishes across the network.

AT Protocol Firehose (Event Stream)
AT Protocol actor API
AT Protocol feed API
AT Protocol graph API
AT Protocol notification API
AT Protocol repo API
AT Protocol server API
AT Protocol sync API