Google Chat API

Status: Production Ready Last Updated: 2026-01-09 (Added: Spaces API, Members API, Reactions API, Rate Limits) Dependencies: Cloudflare Workers (recommended), Web Crypto API for token verification Latest Versions: Google Chat API v1 (stable), Cards v2 (Cards v1 deprecated), wrangler@4.54.0

Quick Start (5 Minutes)

1. Create Webhook (Simplest Approach)