Convex Has a Free Backend API: Real-Time Database + Serverless Functions Without Managing Infrastructure

Your side project needs a backend. You reach for Firebase — then hit Firestore's query limitations. You try Supabase — then wrestle with row-level security policies. You set up Prisma + PlanetScale — then realize you now manage migrations, caching, and deployment. What if your database updated your UI automatically? In real-time? Without writing a single WebSocket handler? That's Convex. What Convex Actually Gives You (Free Tier) Convex combines a real-time reactive database , serverless functions , file storage , and authentication — all in one platform with a generous free tier: Real-time queries — your UI updates automatically when data changes ACID transactions — no more race conditions or stale reads TypeScript-first — end-to-end type safety from database to frontend Serverless functions — mutations, queries, actions, and scheduled jobs File storage — upload and serve files without S3 configuration Built-in auth — integrate with Clerk, Auth0, or custom providers Quick Start: A Rea