Probely (Snyk API & Web) vs Qualys TotalAppSec: Side-by-Side Comparison (2026)

Probely (Snyk API & Web): DAST scanner for discovering and testing APIs and web apps for vulns. built by Probely. Core capabilities include Asset discovery and inventory management for APIs and web apps, API vulnerability scanning supporting OpenAPI (Swagger) and Postman Collections, Headless Chrome-based spider for JavaScript and SPA crawling..

Qualys TotalAppSec: Cloud-based DAST solution for web app & API security with AI-powered scanning. built by Qualys. Core capabilities include Automated web application and API discovery across on-premises and multi-cloud environments, DAST scanning for OWASP Top 10 and OWASP API Top 10 vulnerabilities, PII and sensitive data exposure detection for GDPR, PCI DSS, and HIPAA compliance..

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

Probely (Snyk API & Web) differentiates with Asset discovery and inventory management for APIs and web apps, API vulnerability scanning supporting OpenAPI (Swagger) and Postman Collections, Headless Chrome-based spider for JavaScript and SPA crawling. Qualys TotalAppSec differentiates with Automated web application and API discovery across on-premises and multi-cloud environments, DAST scanning for OWASP Top 10 and OWASP API Top 10 vulnerabilities, PII and sensitive data exposure detection for GDPR, PCI DSS, and HIPAA compliance.

Probely (Snyk API & Web) is developed by Probely. Qualys TotalAppSec is developed by Qualys. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Probely (Snyk API & Web) integrates with OpenAPI (Swagger), Postman Collections. Qualys TotalAppSec integrates with Burp Suite, OWASP ZAP, BugCrowd, Qualys CSAM, Qualys VMDR. Check integration compatibility with your existing security stack before deciding.

Probely (Snyk API & Web) and Qualys TotalAppSec serve similar Dynamic Application Security Testing use cases: both are Dynamic Application Security Testing tools, both cover DAST, OWASP, Web Security. Review the feature comparison above to determine which fits your requirements.