Learn and test
Practical API security resources
Use free tools, technical guides, and security research to find API risks earlier and build stronger engineering practices.
API Security Guides
Implementation-focused guidance for authentication, authorization, trust boundaries, and the OWASP API Top 10.
Open resourceAPI Security Blog
Research, practical explanations, and engineering workflows for protecting modern APIs.
Open resourceOpenAPI Security Analyzer
Review an OpenAPI or Swagger document for grouped security and design findings.
Open resourceAPI Security Playground
Explore BOLA, BFLA, and BOPLA scenarios through editable requests and simulated responses.
Open resourceAPI Security Best Practices
A practical reference for authentication, access control, validation, rate limits, and release testing.
Open resourceFrequently Asked Questions
Straightforward answers about API security testing scope, timing, reporting, and common risks.
Open resource