Contrast Application Detection and Response (ADR) vs Fastly API Security: Side-by-Side Comparison (2026)

Contrast Application Detection and Response (ADR): Runtime protection for apps and APIs detecting and blocking exploits and attacks. built by Contrast Security. Core capabilities include Runtime behavioral detection and analysis, Inline blocking of application attacks, Real-time attack alerts with code-level context..

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.

Contrast Application Detection and Response (ADR) differentiates with Runtime behavioral detection and analysis, Inline blocking of application attacks, Real-time attack alerts with code-level context. 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.

Contrast Application Detection and Response (ADR) is developed by Contrast Security. 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.

Contrast Application Detection and Response (ADR) and Fastly API Security serve similar API Security use cases: both are API Security tools, both cover Attack Detection. Review the feature comparison above to determine which fits your requirements.