Mr. Usage › Semrush

Check your Semrush balance

Mr. Usage reads Semrush's documented usage endpoint with your own key and keeps a card refreshed on its own. Main number: Standard API units left. Semrush reports no limit and no renewal date, so there is no meter and no details.

Install Mr. Usage GitHub repository

What the Semrush card shows

Main number: Standard API units left. Semrush reports no limit and no renewal date, so there is no meter and no details. A yellow "Low" badge appears under 20% left and a red "Nearly out" badge under 5%, with a line of today's readings underneath.

Shows the Standard API unit balance. The Trends API has its own limits that this call does not cover.

What Mr. Usage reads

Call`GET https://www.semrush.com/users/countapiunits.html?key=<key>`
Authentication`key` query parameter (the only documented way).
Verified againsthttps://developer.semrush.com/api/v3/get-started/api-units-balance/
Anything else contactedNothing. The host is on a per-provider allowlist checked before every request, redirects are off, and the connection is TLS 1.2 or newer.

The app shows you this exact address before you save a key, and docs/SOURCES.md records where each fact came from and when it was read.

Questions

Does checking my Semrush usage cost credits?

the docs call the balance request free.

Where does my Semrush API key go?

Into your operating system's credential store, under the service name mr-usage: Keychain on macOS, Credential Manager on Windows, the Secret Service on Linux. The app reads it at the moment it calls the vendor, wraps it in a zeroizing type, and drops it. It is never written to a file of the app's own and never sent back to the window.

How often is the card refreshed?

Every 5 minutes by default. Settings lets you pick anything from 1 minute to 24 hours, and changing the interval takes effect from the last poll. There is also a Refresh button on each card, limited to once a minute.

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