What is Convex?

Convex is a reactive backend platform that eliminates the complexity of building real-time full-stack applications by letting developers express every part of their backend in pure TypeScript, from database schemas and queries to authentication and APIs. Unlike traditional ORMs and REST setups, Convex guarantees that your app always reflects the latest state across frontend, backend, and database in real time, without state managers, cache invalidation, or WebSocket boilerplate. Convex is open-source and self-hostable, supports 80+ OAuth integrations, offers modular TypeScript components for rapid backend feature development, and produces exceptionally AI-friendly code, making it a popular choice for teams using AI coding assistants.

Key Features

Real-time QueriesTypeScript BackendAutomatic SyncBuilt-in Authentication80 Plus OAuth IntegrationsModular ComponentsOpen SourceSelf-hostableAI Code GenerationType-safe APIDatabase QueriesFile StorageScheduled FunctionsWebhooksFull-text SearchVector SearchStreamingLocal DevelopmentDashboard UIStartup Program

How to Use Convex

1Install Convex by running npm create convex in your terminal

2Choose your frontend framework (Next.js, React, Vue, etc.) from the setup wizard

3Define your database schema in schema.ts using TypeScript types

4Write query and mutation functions in the convex/ directory as pure TypeScript

5Call your backend functions from the frontend using the Convex React hooks with automatic type safety

6Set up authentication using Convex Auth with your preferred OAuth provider

7Deploy to Convex's cloud platform with a single command

8Monitor your backend in real time from the Convex dashboard

9Use AI coding assistants to generate Convex code with exceptional accuracy due to its TypeScript-first design

✅ Best For

Full-stack TypeScript developers building real-time applications
Teams tired of managing WebSockets, caches, and state synchronization manually
Startups wanting a backend that scales without infrastructure overhead
Developers building collaborative or multiplayer applications
Engineers who want AI coding assistants to generate accurate backend code
Open source projects needing a self-hostable TypeScript backend

❌ Not For

Teams already deeply invested in PostgreSQL or MySQL with complex SQL queries
Projects requiring multi-region active-active database deployments
Applications needing mature enterprise database features like row-level security policies
Teams unfamiliar with TypeScript who prefer SQL or NoSQL paradigms

Reviews

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Pricing

Free$0

✓Up to 1M function calls/month
✓500MB storage
✓1GB bandwidth
✓1 project

Pro$25/mo

✓10M function calls/month
✓50GB storage
✓50GB bandwidth
✓unlimited projects

Startup Program$0

✓Free Pro tier for qualifying early-stage startups

EnterpriseCustom

✓Custom limits
✓SLA
✓dedicated support
✓security review

Prompts to Try

Write a Convex mutation that creates a new user document and sends a welcome email using a scheduled function

Build a real-time chat feature with Convex queries, mutations, and React hooks that shows live message updates

Create a Convex schema for a task management app with users, projects, and tasks, then implement all CRUD operations

Use Cases

A developer builds a real-time collaborative whiteboard app using Convex queries that automatically push updates to all connected clients without any WebSocket code

A startup uses Convex's TypeScript backend to ship an entire SaaS MVP with auth, database, and API in under a week, leveraging AI assistants that generate accurate Convex code from descriptions

A team eliminates their Redis cache layer by switching to Convex's automatic reactivity system, reducing infrastructure complexity significantly

A solo developer uses Convex components to add file storage and full-text search to an app in minutes without configuring separate services

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