API rate limit checker
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About API rate limit checker
Cloud LLM APIs enforce separate limits on tokens per minute and requests per minute, sometimes with additional concurrency caps. This page does not call any provider — it gives you a worksheet: pick a placeholder tier, type the peak traffic you expect, and see whether you are under or over on TPM and RPM. Swap the tier definitions in your fork or spreadsheet with the numbers from your organization's approved quota documentation.
Key Features
- Illustrative dev and production tiers
- TPM and RPM headroom table
- Purely client-side — no API keys
Use Cases
- Pre-launch capacity review
- Explaining throttling to junior engineers
Pro Tips
- Peak TPM often happens during batch jobs, not steady chat traffic — model those bursts separately.
Frequently Asked Questions
Can you fetch my real limits?
No — paste limits from your provider console into a custom tier in code or an internal doc.