Blackwall GateKeeper is a commercial cloud web application and API protection solution by Blackwall. Cloudflare WAF is a commercial cloud web application and API protection solution by Cloudflare, Inc. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Teams wanting global protection with little upkeep
It earns its place because the firewall, bot controls and rate limiting all run as one cloud service, so you protect a site by routing its traffic through the network instead of running your own gear. It fits any size, from startups to enterprises. The question to weigh is whether you are comfortable sending all your web traffic through one provider.
From Best Cloud WAAP Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
Web security & traffic filtering platform for hosting providers
A cloud-based web application firewall that protects applications from various cyber threats through rule-based filtering, machine learning detection, and integrated security features.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Blackwall GateKeeper fits if you need to run it on your own servers.
Cloudflare WAF fits if you want a cloud product and you are a startup.
Common questions when comparing Blackwall GateKeeper vs Cloudflare WAF for cloud web application and API protection.
Blackwall GateKeeper: Web security & traffic filtering platform for hosting providers. Built by Blackwall.
Cloudflare WAF: A cloud-based web application firewall that protects applications from various cyber threats through rule-based filtering, machine learning detection, and integrated security features. Built by Cloudflare, Inc.
The table above shows where their features, integrations, deployment and company size fit differ.
Blackwall GateKeeper is made by Blackwall. Cloudflare WAF is made by Cloudflare, Inc. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Blackwall GateKeeper and Cloudflare WAF are both Cloud Web Application and API Protection products, and both cover DDoS, Web Security, WAF. Use the table above to see where features, deployment and company size fit differ.
Need the answer fast? Best Cloud WAAP Solutions for Business picks Cloudflare WAF, Akamai App & API Protector, Imperva Web Application Firewall (WAF) and 3 more.See the shortlist