Cohere Install & Auth Overview Set up the Cohere SDK (v2) and configure authentication for Chat, Embed, Rerank, and Classify endpoints. Prerequisites - Node.js 18+ or Python 3.10+ - Package manager (npm, pnpm, or pip) - Cohere account at dashboard.cohere.com - API key from Cohere dashboard (trial keys are free, production keys require billing) Instructions Step 1: Install SDK Step 2: Configure API Key Key types: - Trial key — free, rate-limited (5-20 calls/min per endpoint, 1000/month others) - Production key — metered billing, 1000 calls/min all endpoints, unlimited monthly Step 3: Verify Co…