September 18, 2026

Chat API Feature Generally Available: The Google Chat API endpoints targeting message pins are now Generally Available (GA) and are no longer restricted to the Developer Preview Program. Developers can use the Chat API to programmatically pin messages, unpin messages, and list all pinned messages within a Google Chat space. For more details, see Pin or unpin messages in Google Chat spaces and the REST reference documentation: spaces.messagePins.create spaces.messagePins.delete spaces.messagePins.list