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Vouchmark applies express-rate-limit per surface. Each limiter keys on the client IP by default and emits the standard RateLimit-* headers so you can plan retries. Limits below are quoted as requests / window. Endpoints without a dedicated limiter are not separately throttled at the application layer.

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When you hit a limit

The response is 429 Too Many Requests. Because limiters use standardHeaders, the standard headers are present:
The body is the limiter’s configured message, for example:
Respect Retry-After (seconds). On repeated 429s, back off exponentially with jitter — don’t retry in a tight loop.

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Increasing limits

These ceilings cover normal product use. If you’re building a high-throughput integration, contact support@vouchmark.com with your use case.