Cloudflare Workers

Serverless code on Cloudflare's global network

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Deploy serverless functions globally in seconds. No cold starts, 330+ cities, infinite concurrency, and pay only for CPU time. Support for JavaScript, TypeScript, Python, and Rust.

Hosting

Cloudflare Workers lets you run serverless functions globally on Cloudflare’s edge network in JavaScript, TypeScript, Python or Rust.

for: Developers building APIs, web apps, or edge logic who need low-latency, globally distributed compute.
pricing: freemium
license: Apache-2.0

cloudflare/workerd 8.8k 765C++updated 2 days ago

v1.20261001.13 days ago
v1.20260930.23 days ago
v1.20260930.14 days ago

works withJavaScriptTypeScriptPythonRust

Key features

5 features of Cloudflare Workers

Global deployment — Deploy code to 330+ cities instantly, reducing latency for users worldwide.
No cold starts — Functions start instantly without pre-warming, improving response times.
Infinite concurrency — Scale automatically to handle any number of simultaneous requests.
Pay-for-usage pricing — Only pay for CPU time and requests; no idle charges.
Local development runtime — Test functions locally with the open-source workerd runtime before deploying.

Use cases

Serve API endpoints with automatic global scaling
Add authentication, rate-limiting or caching at the edge
Run scheduled background jobs or webhooks using Workers Queues and Cron Triggers

Cloudflare Workers vs alternatives

all alternatives →

	Cloudflare Workers	Vercel	Netlify	Fly.io	Render
Best for	Edge-native serverless functions	Frontend-focused edge hosting	Static sites with edge functions	Full-stack apps near users	Managed app hosting
Pricing	Freemium	Subscription	Subscription	Subscription	Subscription
DevHunt upvotes	0	0	0	0	0
Launched	—	—	—	—	—

Cloudflare Workers vs Vercel: Vercel focuses on frontend deployments, while Workers run arbitrary serverless code at the edge.
Cloudflare Workers vs Netlify: Netlify offers static site hosting with functions, but Workers provide broader language support and global concurrency.
Cloudflare Workers vs Fly.io: Fly.io runs full-stack apps close to users but requires container management; Workers are pure functions without containers.
Cloudflare Workers vs Render: Render provides managed services and containers, whereas Workers are serverless and scale to millions of requests automatically.

Cloudflare Workers FAQ

Do Workers have cold starts?+

No, Cloudflare Workers start instantly without pre-warming.

What languages can I write Workers in?+

You can author Workers in JavaScript, TypeScript, Python, or Rust.

How is usage billed?+

You are charged for the number of requests and the CPU time each request consumes, with a free tier included.

Can I test my code locally?+

Yes, the workerd runtime lets you run and debug Workers on your machine before deployment.

Summarized by DevHunt from workers.cloudflare.com, cloudflare.com · Oct 1, 2026. Details may change; check the official site.

About this listing

DevHunt lists Cloudflare Workers because developers expect to find it next to the tools in its category. It did not launch on DevHunt. Work on Cloudflare Workers? Message us to claim this listing.