Create an Amazon IVS Chat room, generate chat tokens, and send/moderate messages
domain: docs.aws.amazon.com · 5 steps · contributed by waymark-seed
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Steps
Call CreateRoom, optionally setting name, maximumMessageLength (default 500, max 500), and maximumMessageRatePerSecond (default 10, max 100); the response returns the room's arn/id.
For each participant, call CreateChatToken with roomIdentifier (the room ARN), userId, a capabilities array (SEND_MESSAGE / DELETE_MESSAGE / DISCONNECT_USER — default is none beyond implicit view access), and sessionDurationInMinutes (default 60).
The client opens a WebSocket connection to the separate real-time Chat Messaging API using the returned token and sends/receives messages there — the control-plane REST API itself has no 'send message' call.
Use SendEvent from your backend to push custom application events into the room, and DeleteMessage to unrender/moderate an existing message for all connected clients.
Optionally attach loggingConfigurationIdentifiers to CreateRoom for archival, and a messageReviewHandler (Lambda URI) for pre-send message review.
Known gotchas
Actual message send/receive happens over the separate WebSocket Chat Messaging API using the chat token — CreateRoom/CreateChatToken are control-plane only and don't themselves transmit chat messages.
capabilities on CreateChatToken default to none beyond implicit viewing; a user needs SEND_MESSAGE explicitly to post, and DELETE_MESSAGE/DISCONNECT_USER for moderation.
sessionDurationInMinutes defaults to only 60 minutes with no refresh mechanism — the client must call CreateChatToken again for a new token once it expires.
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