SKIP TO CONTENT Sales: 020 8090 009 Support Solutions Products Pricing Resources Partners Why Cloudflare Sign up Under attack? Log in Cloudflare API Shield Global, integrated API protection and monitoring Powered by 335 locations on our global network, API Shield automatically discovers, validates, and protects your API endpoints. Talk to an expert Sign up for demo How it works - API gateway BENEFITS OF API SHIELD Lightning bolt icon Automatically discover API endpoints Continuously discover your public API endpoints and their schemas with machine learning models and heuristics. Security shield protection orange Block OWASP Top 10 API Security risks Stop common API attacks, including zero-day exploits, authentication abuse, data loss, DDoS, and other business logic attacks. Dollar Reduce costs by only serving to clean API traffic Validate incoming requests against schemas, authentication, and legitimate API business logic — and reduce your API hosting costs. HOW IT WORKS Protect and maintain high-performing APIs with integrated security and monitoring Built on our global, Internet-native network, API Shield automatically discovers, secures, and monitors API endpoints across your entire landscape — without slowing business innovation. It consolidates application and API inventory, policy management, analytics, and reporting on a single platform, with the same connectivity and security benefits offered by Cloudflare’s web application services. How it works - API gateway Learn how your company’s API security compares to industry peers Get the report ANALYST RECOGNITION 2023 Gartner Market Guide for Cloud Web Application and API Protection Cloudflare recognized as a Representative Vendor in the Gartner Market Guide for WAAP. Read the report 8x8 Applied Systems Canva DeliveryHero EQT Indeed Japan Airlines JetBlue Travel Products Knauf Mindbody Werner Enterprises Ziff Media TOP API SHIELD USE CASES Cloudflare API Shield helps you catalog and manage API endpoints, while blocking attacks, vulnerability exploits, and data leakage Discover shadow APIs Discover shadow APIs Document every public API in your landscape, even those that are unmanaged or unsecured. Prevent data exfiltration Prevent data exfiltration Stop data leaks by continuously scanning response payloads for sensitive data. Create a positive security model Create a positive security model Protect APIs by only accepting traffic that conforms to your OpenAPI schemas — while blocking malformed requests and HTTP anomalies. Explore more use cases Trusted by millions of Internet properties See case studies Resources Slide 1 of 4 Product brief How our API Shield works Get the product brief Product brief thumbnail Solution brief Harness the power of consolidated API protection Get the solution brief Solution brief - thumbnail Ebook Secure your API infrastructure, defend yourself from threats Get the ebook Ebook Thumbnail Interested in API Shield for your enterprise? Get in touch Getting Started Free plans For enterprises Compare plans Domain name search Get a recommendation Request a demo Contact sales Resources Learning center Analyst reports Cloudflare Radar Cloudflare TV Case studies Webinars White Papers Developer docs Architecture Center theNET Blog Find an expert Solutions Connectivity cloud SSE and SASE services Application services Network services Developer services Community Community hub Project Galileo Athenian Project Cloudflare for Campaigns Critical Infrastructure Defense Project Support Help center Cloudflare status Trust-hub Compliance GDPR Trust & safety Company About Cloudflare Our team Investor relations Press Careers Diversity, equity, & inclusion Impact/ESG Network map Logos & press kit Become a partner © 2025 Cloudflare, Inc. Privacy Policy Terms of Use Report Security Issues privacy optionsCookie Preferences Trademark Navigated to Cloudflare API Shield