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.

Background Pattern

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
Stanislav Vishnevskiy CTO

Compute

Workers

Global serverless functions

Containers

Any language, anywhere

Sandboxes

Secure code execution

Durable Objects

Stateful compute

Browser Rendering

Automated browsers

Workflows

Process orchestration

Storage

R2

Egress-free storage

Data Platform

Ingest, Catalog & Query

Hyperdrive

Global databases

D1

Serverless SQL

KV

Key-value speed

Queues

Message processing

Artifacts

Git-native versioned storage

AI

Workers AI

Edge AI models

Agents

Build stateful AI agents

AI Gateway

AI observability

Vectorize

Vector database

AI Search

Instant retrieval

Media

Images

Image optimization

Stream

Video streaming

RealtimeKit

Live comms

TURN / SFU

Real-time infra

Network

DNS

Fast DNS

CDN

Faster delivery

WAF

App protection

Load Balancing

Zero downtime

Rate Limiting

Abuse prevention

Bot Mitigation

Block bots

Turnstile

Privacy-first bot checks

DDoS Protection

DDoS mitigation

SASE / Zero Trust

SASE

Unified zero trust platform

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