PubNub
PubNub is a realtime communication platform supporting pub/sub, presence, chat, App Context (object metadata), Functions (server-less compute on the edge), Push Notifications, and IoT messaging across 1B+ devices. The PubNub REST API runs at ps.pndsn.com; SDKs handle the underlying long-poll / WebSo
6 channels
across 1 AsyncAPI spec
· Provider profile
Channels
-
App Context (object metadata) events delivered when user, channel, or membership metadata is created, updated, or deleted. Event types are "set" or "delete"; entity types are "uuid", "channel", or "mePubNub Realtime Streaming API
-
File events delivered when a file is uploaded to a channel. Subscribers receive a file event containing the file ID, filename, and an optional description.PubNub Realtime Streaming API
-
Standard published messages delivered to all subscribers of a channel. Received by SDK listeners as a "message" event.PubNub Realtime Streaming API
-
Message action events delivered when a reaction or action (e.g. emoji reaction, read receipt) is added to or removed from a previously published message on a channel.PubNub Realtime Streaming API
-
Presence events for a channel, delivered on the {channel}-pnpres companion channel. Event types include join, leave, timeout, state-change, and interval.PubNub Realtime Streaming API
-
Lightweight signals delivered to subscribers of a channel. Signals are capped at 64 bytes of payload and are intended for high-volume, low-latency use cases. Received by SDK listeners as a "signal" evPubNub Realtime Streaming API