Arcjet vs Source Defense How it works: Side-by-Side Comparison (2026)

Arcjet: Developer-first security SDK for bot detection, rate limiting, and attack protection. built by Arcjet. Core capabilities include Shield WAF for OWASP Top 10 protection, Bot detection and protection, Rate limiting with dynamic quotas..

Source Defense How it works: Client-side security for websites against 3rd party vendor attacks. built by Source Defense. Core capabilities include Real-time sandbox isolation technology, Protection against Magecart and Formjacking attacks, Automated and dynamic policy configuration..

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

Arcjet differentiates with Shield WAF for OWASP Top 10 protection, Bot detection and protection, Rate limiting with dynamic quotas. Source Defense How it works differentiates with Real-time sandbox isolation technology, Protection against Magecart and Formjacking attacks, Automated and dynamic policy configuration.

Arcjet is developed by Arcjet. Source Defense How it works is developed by Source Defense. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Arcjet and Source Defense How it works serve similar API Security use cases: both are API Security tools. Review the feature comparison above to determine which fits your requirements.