API Reverse Engineer – Capture any website's API calls without DevTools

Summary: API Reverse Engineer records all API calls made by a website, capturing URLs, methods, headers, and request/response bodies into a JSON file. It works on sites with strict Content Security Policies and requires no public API access.

What it does

It tracks API endpoints by starting and stopping recording during normal site use, then exports a clean JSON of unique calls. It uses chrome.scripting.executeScript with world:MAIN to bypass strict CSP restrictions.

Who it's for

Developers needing to automate or analyze web apps without public APIs, such as Skool users.

Why it matters

It enables automation and integration on platforms lacking official APIs by exposing their underlying API calls.