2026 Comparison
service
Data last verified: January 2026
Web Application vs API Penetration Testing
Web app testing covers UI and backend. API testing focuses on programmatic interfaces.
Pricing verified Q1 202645+ vendor interviews127+ data sourcesUpdated monthly
Side-by-Side Comparison
| Factor | Web App Pentest | API Pentest |
|---|---|---|
| Target | User interface + backend | API endpoints only |
| Methodology | OWASP Top 10, UI flows | OWASP API Top 10 |
| Cost | $5,000-$30,000 | $8,000-$25,000 |
| Documentation Needed | URLs, credentials | API docs, Postman collections |
| Common Findings | XSS, CSRF, auth bypass | BOLA, rate limiting, data exposure |
Our Verdict
Test both if you have APIs. Modern applications need both web and API security testing.
Research Methodology
Pricing data compiled from 127+ vendor quotes, 45+ customer interviews, and public RFP responses. Reviewed by security industry experts with 20+ years combined experience.
Last verified: January 2026 • Next update: April 2026
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