Is API Rate Limit Calculator free to use?

Yes, API Rate Limit Calculator is completely free to use. No signup or registration required.

Is my data safe when using API Rate Limit Calculator?

Yes, all processing happens in your browser. Your data never leaves your device and is not stored on any server.

Can I use API Rate Limit Calculator on mobile?

Yes, API Rate Limit Calculator is fully responsive and works on all devices including smartphones and tablets.

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API Rate Limit Calculator

Calculate API rate limits, request intervals, token bucket parameters, and estimated costs. Convert between different time windows and plan your API usage.

Popular API Presets

Rate Limit Calculator

Request Limit

Time Window

Cost per Request ($)

Reverse Calculator

Need X requests? Find the rate limit you need.

Target Requests

In Time Window