Event-driven channels

Ably

Ably is a realtime messaging platform offering pub/sub, presence, push notifications, chat, LiveSync, and integrations over WebSocket and HTTP. Ably publishes its OpenAPI specifications publicly via the ably/open-specs GitHub repository, with separate specs for the Platform API (REST messaging surfa

3 channels across 1 AsyncAPI spec · Provider profile

Channels

/

Control-plane ProtocolMessages exchanged on the WebSocket connection itself (not scoped to a channel). Carries CONNECT, CONNECTED, HEARTBEAT, DISCONNECT, DISCONNECTED, CLOSE, CLOSED, ERROR, and AUTH a

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

Ably Realtime Protocol
{channelName}

A named Ably channel. Channels are identified by an arbitrary string name and may live inside a namespace (e.g. `chat:room42`). Clients ATTACH to a channel before publishing or subscribing, and DETACH

Ably Realtime Protocol