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42Crunch API Audit is a commercial api security tool by 42Crunch. Checkmarx API Security is a commercial api security tool by Checkmarx. Compare features, ratings, integrations, and community reviews side by side to find the best api security fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Development teams shipping APIs at scale need 42Crunch API Audit to catch security gaps before code reaches production; its 300+ checks against OpenAPI contracts surface misconfigurations that static code analysis and WAFs typically miss entirely. The tool integrates directly into GitHub Actions and VS Code workflows, meaning security issues land in the developer's IDE rather than creating a separate audit queue weeks later. Skip this if your organization hasn't standardized on OpenAPI specs or if you need runtime API monitoring and threat detection; 42Crunch is a design-phase tool, not a request-level firewall.
Teams managing sprawling microservices architectures need Checkmarx API Security because it finds APIs buried in code and documentation that other tools skip entirely, then maps business risk onto each vulnerability instead of treating them equally. The tool discovers shadow and zombie APIs while integrating DAST findings into one inventory, covering NIST ID.AM and ID.RA functions that most API scanners leave incomplete. Skip this if your organization has fewer than a dozen APIs or runs a monolithic stack; the discovery and inventory overhead pays off only when you've lost visibility into your own endpoints.
API security audit tool for OpenAPI contracts with 300+ security checks
API security tool that discovers APIs in code and addresses vulnerabilities
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Common questions about comparing 42Crunch API Audit vs Checkmarx API Security for your api security needs.
42Crunch API Audit: API security audit tool for OpenAPI contracts with 300+ security checks. built by 42Crunch. headquartered in Ireland. Core capabilities include 300+ automated security checks on OpenAPI definitions, Three-tier audit covering OAS compliance, security definitions, and data quality, Instant security scoring and prioritization..
Checkmarx API Security: API security tool that discovers APIs in code and addresses vulnerabilities. built by Checkmarx. headquartered in United States. Core capabilities include Global API inventory with vulnerability tracking, API discovery from source code and documentation, Shadow and zombie API detection..
Both serve the API Security market but differ in approach, feature depth, and target audience.
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