Traffic Policy Analyzer
Upload a HAR file and evaluate captured API traffic against policies for auth presence, token placement, CORS, and error leakage. Free by Graph Tools.
Use this free traffic policy analyzer to evaluate captured HTTP traffic from a HAR file against configurable security and correctness policies. Upload a HAR export from browser DevTools and check all requests for authentication header presence, token placement safety, CORS header compliance, and error response leakage. Useful for security engineers reviewing browser sessions, QA teams validating API client behavior, and developers auditing third-party integrations.