42Crunch API Audit vs Fastly API Security: Side-by-Side Comparison (2026)

42Crunch API Audit: API security audit tool for OpenAPI contracts with 300+ security checks. built by 42Crunch. 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..

Fastly API Security: API security platform for discovery, monitoring, and protection at edge. built by Fastly. Core capabilities include Automatic API discovery at edge network, Detection of new and unintentional API calls, Integration with Next-Gen WAF for API traffic protection..

Both serve the API Security market but differ in approach, feature depth, and target audience.

42Crunch API Audit differentiates with 300+ automated security checks on OpenAPI definitions, Three-tier audit covering OAS compliance, security definitions, and data quality, Instant security scoring and prioritization. Fastly API Security differentiates with Automatic API discovery at edge network, Detection of new and unintentional API calls, Integration with Next-Gen WAF for API traffic protection.

42Crunch API Audit is developed by 42Crunch. Fastly API Security is developed by Fastly. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

42Crunch API Audit and Fastly API Security serve similar API Security use cases: both are API Security tools. Review the feature comparison above to determine which fits your requirements.