Rate limiting
Rate limiting is capping how many requests an identity may make in a time window.
Why it matters
Without it, one endpoint becomes the way to exhaust a mail quota, a database connection pool or an API budget.
How it is measured
Send requests above the limit and confirm a 429 response with a Retry-After header.
Checks that involve rate limiting
Related terms
Questions
What is rate limiting?
Rate limiting is capping how many requests an identity may make in a time window.
Why does rate limiting matter?
Without it, one endpoint becomes the way to exhaust a mail quota, a database connection pool or an API budget.
How is rate limiting measured?
Send requests above the limit and confirm a 429 response with a Retry-After header.