Google Chat Integrations for Workspace

Google Chat API

REST API for sending and managing messages, spaces, members, reactions, attachments, custom emoji, user notification settings, and read states in Google Chat. Authentication uses OAuth 2.0 user credentials or service-account credentials (for app-bot calls).

Documentation GitHub

Documentation

https://developers.google.com/workspace/chat

https://developers.google.com/workspace/chat/api/reference/rest

https://developers.google.com/workspace/chat/authenticate-authorize

Other Resources

Discovery Document

https://chat.googleapis.com/$discovery/rest?version=v1

Build Chat Apps

https://developers.google.com/workspace/chat/build

https://raw.githubusercontent.com/api-evangelist/google-chat-integrations-for-workspace/refs/heads/main/apis.yml

OpenAPI Specification