Cloudflare for Y Combinator

Cloudflare for YC is our initiative to help YC startups accelerate and protect their Internet properties. Our goal is to share the power of Cloudflare’s network and solutions with this community.
How to get started
Step 1: Sign up here for a free account with Cloudflare.
Step 2: Please fill out the form on the right. You will receive an automated confirmation email upon filling out the form and again when your Cloudflare for YC account has been activated.

Submit inquiry

In submitting this form, you agree to receive information from Cloudflare related to our products, events, and special offers. You can unsubscribe from such messages at any time. We never sell your data, and we value your privacy choices. Please see our Privacy Policy for information.

Why work with Cloudflare

Cloudflare is the security, performance, and reliability company on a mission to help build a better Internet. Today it runs one of the world’s largest networks that powers anything connected to the Internet, with its services being used by everyone, from nonprofits and SMBs to Global 2000 companies and top government organizations.

A Growing global network built for scale

388 Tbps Tbps capacity in 330 cities


When you sign up for Cloudflare for YC you will receive one year of free service, which includes:

Unmetered mitigation of DDoS attacks with network prioritization
Global CDN
100% Uptime
24/7/365 Email Support
Role-based account access
Advanced web application firewall (WAF) with 50 custom rulesets
Image optimization
Mobile acceleration
100 page rules

The above listed products and enablement video training are included in the startup plan. Occasionally, for some products, to help with the complexities of setting up some products, enterprise customers typically purchase an additional onboarding support package (which is not included in the startup plan, but is available for purchase). Products that commonly need additional onboarding support include: Aegis, Custom Tiered Cache, Argo Tunnels for Load Balancers, Magic Transit (adding and removing subnets), BYOIP / static IP, Dedicated Gateway IP, FedRAMP Setup.

Startup Program terms

Acceptance into Cloudflare for Startups is at Cloudflare’s sole discretion. Cloudflare may change or discontinue the program or any aspect of it (including these terms) at any time without notice. We reserve the right to suspend or terminate your access to the program. Credits are non-transferable, nonrefundable, non-redeemable for cash, and may not be sold, purchased, or bartered. You are responsible for paying any potential taxes associated with the value of the credits. The Cloudflare Startup Plan is for up to one year or full use of the credits, whichever occurs first, and is subject to product-specific usage limitations described on the Cloudflare for Startups page or as otherwise provided by Cloudflare. You grant Cloudflare a non-exclusive, worldwide, royalty free right to include your company’s name and logo on any Cloudflare websites, brochures, fliers, presentations, annual reports and any other marketing materials. The Startup Plan may not be used by existing enterprise customers. The Startup Plan does not include Registrar, for clarity all Registrar purchases must be paid for in full using the payment method associated with your account. As a Startup Plan participant, you will only be able to use up to $10,000 of Credits for any R2 and Cache Reserve services, and $50,000 of Credits for any Workers AI services. You will be required to create a Cloudflare account and upload a valid payment method on file. Your use of our services is also subject to cloudflare.com/terms/. The Startup Plan does not include account management, 24/7 enterprise telephone support, or a service level agreement. Upon expiration of credits, Cloudflare will bill your credit card on file unless you enter into a contract for prepaid services.