Arcjet vs Checkmarx One DAST: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
Arcjet is a commercial runtime application self-protection tool by Arcjet. Checkmarx One DAST is a commercial dynamic application security testing tool by Checkmarx. Compare features, ratings, integrations, and community reviews side by side to find the best runtime application self-protection fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
CST VerdictShort answer
Developers building APIs and web services need bot and rate-limit protection that doesn't require security expertise to deploy, and Arcjet's SDK-first approach means you configure rules in code rather than wrestling with WAF consoles. The WebAssembly-based local execution runs decisions at the edge without sending traffic to external services, cutting latency and keeping you compliant with data residency constraints. Skip this if your primary concern is legacy OWASP Top 10 coverage on existing monolithic applications; Arcjet is built for modern application stacks, not retrofitting old infrastructure. Mid-market and enterprise security teams already running Checkmarx SAST will find Checkmarx One DAST indispensable for closing the runtime visibility gap; the centralized API inventory that correlates SAST and DAST findings eliminates the manual work of hunting down which backend endpoints actually matter. Browser-based authentication recording and multi-step login handling mean you'll actually test real user flows instead of abandoning DAST when login gets complicated. Skip this if your organization needs runtime protection that includes API threat prevention and response; Checkmarx One DAST finds vulnerabilities but doesn't block them in production.
