Advanced – Non-Functional Testing
Rate Limiting – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A control that caps the number of requests a client can make in a time window to protect systems from overload or abuse.
In simple words
Capping how many requests a client can make per minute.
Exam tip
Token bucket and leaky bucket are the two common rate-limit algorithms.
Related terms
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