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AT Protocol sync API

Data synchronization, firehose, blob access

AT Protocol sync 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 sync. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 3 operations across 3 paths, and defines 2 schemas. 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 2 schemas 3 GET

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 sync 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 — 3 GET. Each is listed below with its method, path, parameters, and response codes.

sync 3

Data synchronization, firehose, blob access

GET
/com.atproto.sync.getRepo
Get Repo
com_atproto_sync_getRepo 2 params → 200400
GET
/com.atproto.sync.getBlob
Get Blob
com_atproto_sync_getBlob 2 params → 200400
GET
/com.atproto.sync.listRepos
List Repos
com_atproto_sync_listRepos 2 params → 200400

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are RepoRef (5 properties), Error (2 properties). Each schema is shown below with its type and property counts.

RepoRef
object
5 properties 3 required
Error
object
2 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

atproto-sync-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 identity API
AT Protocol notification API
AT Protocol repo API
AT Protocol server API