SERP APIs and AI search APIs comparedToday’s edition · 8 November 2026
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Best SERP API / Glossary / Rate limit
Glossary

Rate limit

Answer in brief

A cap on how many requests an API accepts in a set time window, such as per second or per day.

What it means

A rate limit is the maximum number of calls an API will accept from one key in a time window. Limits may be per second, per minute or per day. When you go over the limit, the API usually returns an error code that tells your code to wait and try again.

Plans often combine several limits. A vendor might allow a fixed number of queries per second and a monthly total. Read both numbers before you plan a job, because a high monthly quota does not help if the per-second cap slows a batch run. Brave's Search plan, for example, lists 50 queries per second, and its Answers plan lists 2. Build retries with a short wait. Log throttled responses so you can tell a slow job from a broken one.

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Best SERP API. “Rate limit.” Hyperresearch reference, reviewed 8 November 2026.
https://bestserpapi.com/glossary/rate-limit/