42Crunch API Protection vs Cloudflare API Shield: Side-by-Side Comparison (2026)

42Crunch API Protection

Teams protecting microservices architectures should pick 42Crunch API Protection for its positive security model that enforces OpenAPI contracts at runtime, catching malformed requests before they reach application code. The tool covers all ten OWASP API vulnerabilities natively and deploys directly from CI/CD pipelines into containers and API gateways without requiring code changes. Skip this if you need a broader API management platform; 42Crunch is purpose-built for threat prevention, not governance or monetization.

Cloudflare API Shield

Mid-market and enterprise security teams with distributed APIs will get immediate value from Cloudflare API Shield because shadow API discovery removes the guesswork about what you're actually protecting. The platform's ML-driven endpoint detection finds undocumented APIs that manual inventory never catches, and OWASP Top 10 API coverage plus schema validation enforces a positive security model without requiring teams to maintain separate API gateway tooling. Not ideal for organizations still mapping their API surface or those needing deep integration with non-Cloudflare infrastructure; you'll get the most ROI when APIs already route through Cloudflare's network.