Twitch EventSub
EventSub is Twitch's webhook-based subscription service for receiving real-time notifications about events on Twitch.
This event API exposes 33 operations across 33 channels, and defines 39 schemas. It is described by AsyncAPI 2.6.0, at version 1.0.
The API connects through 2 servers: {callbackUrl} (https), wss://eventsub.wss.twitch.tv/ws (wss).
Metadata
The identity and technical contract details declared by the specification.
Channels & Operations 33
Across 33 channels, the API surfaces 33 operations. Each is listed below with its action, channel, parameters, and response codes.
Messages & Schemas 39
The contract defines 39 schemas that model the data carried by its messages. The most detailed are ChannelBanPayload (13 properties), ChannelCheerPayload (9 properties), ChannelSubscribePayload (8 properties), ChannelUpdatePayload (8 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable AsyncAPI contract behind this narrative.
Source
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