Developer Challenge

Join our challenge by building an innovative project that uses two or more of the Cloudflare developer platform products: Cloudflare Workers, Workers KV, Durable Objects, and Cloudflare Pages.

We will be rewarding the top 300 participants with boxes of our most popular conference swag!

Sign Up Learn More Terms and Conditions apply

Swag Box Preview

The swag box will include prizes such as a Cloudflare baseball cap, socks, mug, t-shirt, key cap, stickers, and more!

Sign Up

Enroll to participate in the Challenge now!

Registration is free and instant. Simply fill out the form below.

How to Participate

What you should know before entering the Cloudflare Developer Challenge:

What is the Cloudflare Developer Challenge?

The Cloudflare Developer Challenge is an event where developers are challenged to build an application using at least two of the products from the Cloudflare developer platform. We're giving away swag boxes to the top 300 submissions.

What is this year's challenge?

You're challenged to build any application with at least two of these four products in the Cloudflare developer platform: Cloudflare Workers, Workers KV, Durable Objects, and Cloudflare Pages.

We will judge submissions and award swag boxes to the 300 participants who submit the most innovative projects. Limit 1 per person. (See full terms and conditions.)

We also encourage you to share what you built on Cloudflare’s Discord server, and our Twitter by tagging @CloudflareDev and using the #DeveloperChallenge hashtag.

How will submissions be judged?

Submissions will be based on three criteria:

What’s the deadline for submitting?

Submissions are open today and will close on November 1st, 2021.

How do I submit my project?

After signing up, you will receive a confirmation email that contains a submission link. Please note that this link is your personalized link and should not be shared.

The submission form will require links to a live demo and a public repository with your source code. We also encourage you to share on our Twitter, Discord, and Built With Workers accounts.

Do I have to pay to participate?

No. You can get started with Cloudflare’s developer products for free.

What are the products in Cloudflare’s developer platform?

Cloudflare’s developer platform includes:

How many Cloudflare products do I need to use to receive the swag box?

You must use at least two of Cloudflare’s developer products: Cloudflare Workers, Workers KV, Durable Objects, and Cloudflare Pages. Bonus points for using all four!

Where can I look to for project inspiration?

We offer a few suggestions in the Cloudflare Challenge blog post. We also maintain a number of tutorials and examples. Additionally, you may browse through our Built With Workers collection to see what other community members have created!

How will I know if my submission has been approved to receive the prizes?

Our team will review submissions and select winners between November 1, 2021 and December 31, 2021.

We will send you an email to congratulate you on your award! We will also forward a link to the vendor site so you can select the proper sizing, etc.

Winners will be contacted by January 1, 2022 or sooner.

How long will it take to receive my swag box?

Delivery times will vary based on location. The box may take several weeks to arrive.