Convex Has a Free API: The Backend That Replaces Your Database, Server, and WebSocket Layer

What if your database queries automatically updated the UI in real-time? No WebSockets. No polling. No cache invalidation. That's Convex. What Is Convex? Convex is a reactive backend platform. You write server functions, Convex handles the database, real-time subscriptions, caching, and deployment. // convex/tasks.ts — server function import { query , mutation } from " ./_generated/server " import { v } from " convex/values " export const list = query ({ handler : async ( ctx ) => { return await ctx . db . query ( " tasks " ). order ( " desc " ). collect () }, }) export const create = mutation ({ args : { text : v . string () }, handler : async ( ctx , args ) => { await ctx . db . insert ( " tasks " , { text : args . text , completed : false }) }, }) // React component — automatically updates when data changes import { useQuery , useMutation } from " convex/react " import { api } from " ../convex/_generated/api " function TaskList () { const tasks = useQuery ( api . tasks . list ) // R