Firebase Has a Generous Free Tier — Build Apps with Auth, Database, Hosting, and Cloud Functions at Zero Cost

Firebase gives you a massive free tier: authentication for unlimited users, a real-time database, cloud Firestore, file storage, hosting, and even Cloud Functions. For most side projects and MVPs, you'll never pay a cent. Get Started Go to console.firebase.google.com Create a new project Go to Project Settings → General → copy your config object 1. Firestore — NoSQL Database (REST API) # Read documents from a collection curl "https://firestore.googleapis.com/v1/projects/YOUR_PROJECT/databases/(default)/documents/users" \ -H "Authorization: Bearer YOUR_TOKEN" # Create a document curl -X POST "https://firestore.googleapis.com/v1/projects/YOUR_PROJECT/databases/(default)/documents/users" \ -H "Authorization: Bearer YOUR_TOKEN" \ -H "Content-Type: application/json" \ -d '{ "fields": { "name": {"stringValue": "Alex"}, "email": {"stringValue": "alex@example.com"}, "plan": {"stringValue": "free"} } }' 2. Authentication import { getAuth , createUserWithEmailAndPassword , signInWithEmailAndPass