AppCheck API Scanner vs Checkmarx One DAST: Side-by-Side Comparison (2026)

AppCheck API Scanner: API vulnerability scanner with support for REST, SOAP, and GraphQL APIs. built by AppCheck. Core capabilities include REST, SOAP, and GraphQL API scanning, SPA crawling and endpoint discovery, Automatic fixture data generation from Swagger and GraphQL..

Checkmarx One DAST: Enterprise DAST solution for runtime app and API security testing. built by Checkmarx. Core capabilities include Browser recording for authentication flows, Two-factor authentication support, REST, SOAP, and gRPC API testing..

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

AppCheck API Scanner differentiates with REST, SOAP, and GraphQL API scanning, SPA crawling and endpoint discovery, Automatic fixture data generation from Swagger and GraphQL. Checkmarx One DAST differentiates with Browser recording for authentication flows, Two-factor authentication support, REST, SOAP, and gRPC API testing.

AppCheck API Scanner is developed by AppCheck. Checkmarx One DAST is developed by Checkmarx. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

AppCheck API Scanner and Checkmarx One DAST serve similar Dynamic Application Security Testing use cases: both are Dynamic Application Security Testing tools, both cover DAST. Review the feature comparison above to determine which fits your requirements.