Capture, search, export, and replay API calls (fetch & XHR). Live view, filters, curl export, sessions, dark mode.
Users
67
+4 in 30 days
Rating
1.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#98K
#81K among extensions
Version
2.5.1
updated 17 Aug 2025
Users
monthly, 14 months
Latest, 16 Oct 2026:67 usersMove the mouse over the chart for any month
Ratings count
monthly, 14 months
Latest, 16 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About API Sniffer Pro
API Sniffer Pro is a lightweight, powerful tool for monitoring and analyzing API traffic in real time — without needing DevTools open.
Easily capture, search, filter, export, and replay HTTP requests (Fetch & XHR) across any website you visit.
Key Features
Live Capture – Instantly view all outgoing API requests and responses.
Powerful Filters – Search or filter by method, domain, status, or keyword.
Replay & Edit – Resend captured requests with modified parameters or headers.
Export Options – Save requests as cURL commands, JSON, or plain text for sharing or debugging.
Dark Mode – Eye-friendly interface for night-time use.
How to Use
Install the extension.
Open the popup and ensure capture is ON.
Browse any site — requests will appear live in the capture view.
Click a request to inspect details, edit, or resend it.
Export or save sessions as needed.
API Sniffer Pro runs entirely in your browser and does not collect or send your data anywhere.