API Shield

Integrated API Security and Monitoring

Cloudflare API Shield helps you catalog and manage API endpoints, block attacks and vulnerability exploits, and prevent data leakage. By operating on Cloudflare's global network, it automatically discovers and secures your API endpoints, helping to prevent attacks and data loss. This comprehensive approach ensures your APIs are protected and performing optimally.

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Global API Protection

Powered by Cloudflare's global network, API Shield automatically discovers, validates, and protects your API endpoints, providing comprehensive security and monitoring.

Advanced Threat Detection

API Shield blocks common API attacks and continuously scans response payloads to identify sensitive information, preventing data exfiltration and leakage.

Automated Endpoint Discovery

Cloudflare API Shield uses machine learning and heuristics to analyze traffic and identify all API endpoints in use, including undocumented ones, ensuring a complete inventory of your API endpoints.

API Shield

You can use API Shield to:

Comprehensive security and monitoring for your APIs, powered by Cloudflare's global network.

Explore API Shield use cases

API Endpoint Discovery and Cataloging

Cloudflare API Shield analyzes traffic to identify and catalog all API endpoints, including undocumented ones, helping maintain a complete and accurate inventory.

Preventing Data Exfiltration

API Shield scans response payloads for sensitive information, preventing data exfiltration and leakage through your APIs.

Blocking API Attacks

API Shield uses a positive security model to block common API attacks, including OWASP Top 10 API Security risks, helping ensure API traffic conforms to your schemas.

Scalable API Security

Cloudflare API Shield provides integrated security and monitoring at scale, automatically discovering and securing API endpoints on Cloudflare's global network.

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"

Knowing that we don’t have to worry about DDoS attacks against our API and gateway servers gives us the peace of mind to focus on improving our product. "

Stanislav Vishnevskiy CTO

Powerful primitives, seamlessly integrated

Built on systems powering 20% of the Internet, API Shield runs on the same infrastructure Cloudflare uses to build Cloudflare. Enterprise-grade reliability, security, and performance are standard.

Compute

Browser Run Automated browsers

Containers Any language, anywhere

Durable Objects Stateful compute

Sandboxes Secure code execution

Workers Global serverless functions

Workers for Platforms Programmable Platform Solutions

Workflows Process orchestration

Storage

D1 Serverless SQL

KV Ultra-fast key-value storage

Data Platform Ingest, Catalog & Query

Hyperdrive Global databases

Queues Message processing

R2 Egress-free storage

Agents Build stateful AI agents

AI Gateway AI observability

AI Search Instant retrieval

Vectorize Vector database

Workers AI Edge AI models

Security

DDoS Protection Mitigation Solutions

Rate Limiting Abuse prevention

SSL Secure Your Site with SSL

Turnstile A CAPTCHA Replacement Solution

WAF Web Application Firewall

Network & Content Delivery

Bot Management Block bad bots

CDN Faster delivery & caching

DNS Fast DNS

Load Balancing Zero downtime

TURN / SFU Real-time infra

SASE / Zero Trust

SASE Cloudflare SASE platform

Access Safe access to private applications

Data Loss Prevention Protect sensitive data

Secure Web Gateway DNS filtering & Secure Browsing

WAN Cloud-delivered enterprise networking

Mesh Agents private network

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