SaaS API Inspector

Analyze and categorize APIs used by the active page. Developer productivity and debugging tool.

SaaS API Inspector helps developers and QA engineers see exactly which APIs a web app is using—without digging through DevTools or guessing from the UI. What it does Detects API calls from the active tab (XHR and fetch) Shows auth type (JWT, Bearer, session, OAuth) Groups endpoints by category (auth, users, billing, etc.) from the URL Lists each request with method, path, status, and masked headers Filters by search, category, and file type (e.g. hide .json, .css, .png) Exports to OpenAPI (Swagger) or a Postman collection—with your filters applied Suggests tools based on what it finds (e.g. auth providers, Stripe, monitoring) Who it’s for Backend developers, QA, and anyone reverse‑engineering or documenting SaaS APIs. Understand a product’s API surface in minutes instead of hours. Privacy Sensitive headers (e.g. Authorization, cookies) are masked. No data is sent off your device. Built for local inspection only.