How I Built a Chrome Extension That Reads Claude's Internal API
This story is from 2026-09-04. It is preserved in the archive; the latest stories are on the live feed.
When I started building TokenPulse, I assumed I would need an API key to read Claude's rate limit data. I was wrong. Claude exposes exact utilization percentages and reset timestamps through an internal endpoint that your browser session already has access to — because Claude's own interface uses i…
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- 2026-09-04 09:35 · DEV Community — AI
How I Built a Chrome Extension That Reads Claude's Internal API