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API Rate Limit Calculator

Estimator

Calculate API throughput, wait times, and cost at different rate limits.

Total Requests Needed

Rate Limit (requests/minute)

Cost per 1,000 Requests ($)($)

About This Tool

API rate limits protect services from abuse and ensure fair usage. Common limits: Twitter API at 300 requests/15 min; OpenAI at 3,500 RPM (RPM = requests per minute) on default tier. Exponential backoff with jitter is the standard pattern for handling 429 rate limit errors.

About This Tool

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