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What Is an API Rate Limit and Why It Matters

Published on Jan 22, 2026 Updated on Jul 31, 2026 3 views

An API rate limit caps how many requests a client can make within a given time window, protecting the API provider's infrastructure from overload.

Why Limits Exist

Without limits, a single misbehaving integration could overwhelm a shared API service, degrading it for every other user relying on the same endpoint.

Designing Around Rate Limits

Well-built integrations check the rate limit headers returned by the API, pace their requests accordingly, and implement retry logic with backoff delays when a limit is temporarily hit.

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