AsyncAPI channel · fal · fal Event-Driven APIs

{model_id}/requests/{request_id}/status/stream

Server-Sent Events stream of queue status updates for a single submitted request. The connection remains open and emits one event per state change until the request reaches `COMPLETED`. Enable runner logs by adding `?logs=1` to the query string.

Open source AsyncAPI → All fal channels fal provider profile
Provider: fal AsyncAPI: v2.6.0 Spec: fal Event-Driven APIs Operations: 1 Messages: 3

Channel address

{model_id}/requests/{request_id}/status/stream

Parameters

Operations

subscribeQueueStatusStream
Subscribe to queue status events for a submitted request.

Messages

QueueStatusInQueue
Request has been received and persisted; waiting for an available runner.
Content-Type: application/json
QueueStatusInProgress
fal's dispatcher has routed the request to a runner.
Content-Type: application/json
QueueStatusCompleted
Result is stored and available for retrieval at `response_url` (or was POSTed to the configured webhook). This is the terminal event of the stream.
Content-Type: application/json

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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