Netlify Functions
Hosting & Cloud No key
Documentation: docs.netlify.com ยท Checked Sep 13, 2026
About
Netlify Functions lets you deploy serverless JavaScript or TypeScript functions right next to your website, reachable at your site's domain. New accounts are on a credit-based free plan with 300 credits per month, shared across bandwidth, builds, and compute, with no credit card required and a hard cap instead of surprise charges. Functions deploy automatically with your site from Git and support background and scheduled variants. Official setup docs walk through creating a function in minutes.
Details
No key needed. You can call it right away.
Auth: No key
Rate limit: Free: 300 usage credits per month shared across bandwidth, builds, web requests, and compute; no card; hard cap with no overages.
Verified: 2026-09-13
Best for: serverless APIs form handling JAMstack backends
Setup
- Sign up for a free Netlify account, no card required.
- Connect a Git repo or deploy a site manually.
- Add a netlify/functions folder with a hello.js handler file.
- Deploy; the function goes live automatically.
- Call it at https://your-site.netlify.app/.netlify/functions/hello.
curl https://your-site.netlify.app/.netlify/functions/helloUse cases
- Add a contact-form or newsletter backend to a static site.
- Build small authenticated API endpoints without a server.
- Run scheduled jobs like daily data syncs on the free plan.