API Lens

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Inspect API activity on the current page, including fetch, XHR, WebSocket, EventSource, beacon calls, and technology signals.

Users

+1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#226K

#189K among extensions

Version

2.0.0

updated 8 Apr 2026

Users

monthly, 6 months

Latest, 16 Oct 2026: 7 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 16 Oct 2026: 0 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 Lens

API Lens is a lightweight Chrome extension for inspecting API traffic directly from the current page. It helps you: - capture `fetch` and `XMLHttpRequest` activity - spot WebSocket and EventSource connections - review `navigator.sendBeacon` calls often used by analytics tooling - identify common framework and platform signals - filter, copy, clear, and export tab-scoped results API Lens is built for Manifest V3 and keeps captured data local to the browser session. It does not send traffic data to a remote server.