AsyncAPI channel · Bluesky · Bluesky / AT Protocol Event Streams

xrpc/com.atproto.sync.subscribeRepos

Repository event stream, aka Firehose endpoint. Outputs repo commits with diff data, and identity update events, for all repositories on the current server. Public; no auth. Implemented by PDS and Relay. Frames are binary WebSocket messages consisting of two concatenated DAG-CBOR objects: a header (`{op, t}`) followed by a payload whose shape depends on `t`.

Open source AsyncAPI → All Bluesky channels Bluesky provider profile
Provider: Bluesky AsyncAPI: v2.6.0 Spec: Bluesky / AT Protocol Event Streams Operations: 1 Messages: 9

Channel address

xrpc/com.atproto.sync.subscribeRepos

Parameters

Operations

subscribeRepos
Subscribe to the repository event stream (firehose).

Messages

RepoCommitFrame
Repository commit event.
Content-Type: application/cbor
RepoSyncFrame
Sync event - asserts current repository state without including diff data on the firehose. Used for recovery / desync resolution.
Content-Type: application/cbor
RepoIdentityFrame
Account identity change event (handle, signing key, or PDS).
Content-Type: application/cbor
RepoAccountFrame
Account hosting-status change event.
Content-Type: application/cbor
RepoHandleFrame
DEPRECATED - use `#identity` instead. Legacy handle change event.
Content-Type: application/cbor
RepoMigrateFrame
DEPRECATED - use `#account` instead. Legacy account-migration event.
Content-Type: application/cbor
RepoTombstoneFrame
DEPRECATED - use `#account` instead. Legacy account-tombstone event.
Content-Type: application/cbor
RepoInfoFrame
Informational message (not persisted, no `seq`). Currently the only defined name value is `OutdatedCursor`.
Content-Type: application/cbor
RepoErrorFrame
Error frame (`op = -1`). Possible `error` values for subscribeRepos: `FutureCursor`, `ConsumerTooSlow`. The connection is closed after this frame is delivered.
Content-Type: application/cbor

About AsyncAPI

The AsyncAPI specification describes event-driven APIs the way OpenAPI describes request/response APIs. A channel is the named pipe — a webhook URL, a Kafka topic, a WebSocket route, an MQTT subject — that producers and consumers publish or subscribe to. Each channel carries one or more messages with structured payloads, and an operation declares whether a given party sends or receives on that channel.

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