AsyncAPI channel · Ably · Ably Realtime Protocol

/sse

Server-Sent Events stream for subscribing to one or more channels. Each event has `id`, `event`, `data` (JSON-encoded Ably Message) and `lastEventId` for resumption via the `lastEvent` query parameter.

Open source AsyncAPI → All Ably channels Ably provider profile
Provider: Ably AsyncAPI: v3.0.0 Spec: Ably Realtime Protocol Operations: 1 Messages: 1

Channel address

/sse

Operations

receive
receiveSse
Stream of `message` events whose `data` is a JSON-encoded Ably Message.

Messages

sseMessage
A single SSE event whose `data` field is a JSON-encoded Ably Message.
Content-Type: text/event-stream

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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