Deno Deploy
Edge serverless platform for JavaScript and TypeScript — deploys to 35+ regions in seconds
Deno Deploy runs your JavaScript or TypeScript at the edge — 35+ data centers worldwide, with cold starts measured in single-digit milliseconds. Push code and it is live in seconds, serving from whichever region is closest to each user. The built-in Deno KV database means you can build a full API with persistent data without setting up Postgres or Redis.
The free tier is generous at 100,000 requests per day, which covers most early-stage APIs and side projects. The constraint is the runtime: this is Deno only. Most npm packages work through Deno’s Node compatibility layer, but some do not. If your stack is TypeScript-first and you want the fastest possible serverless functions with minimal configuration, Deno Deploy delivers. If you need Node.js compatibility guarantees or non-JavaScript runtimes, Cloudflare Workers or Fly.io are safer bets.
What's good
- Cold starts under 10ms — dramatically faster than AWS Lambda or Vercel Functions
- Free tier allows 100,000 requests per day with no credit card required
- Built-in KV database (Deno KV) means you can store data without provisioning a separate database
Watch out for
- Only runs Deno/JavaScript — no support for Python, Go, or other runtimes
- Smaller ecosystem than Node.js — some npm packages do not work without compatibility shims
- Vendor-specific KV database creates lock-in if you build on Deno KV