Rate Limits
Learn about rate limits when using Zupost.
Easy to increase
If you need more, don't hesitate to contact us.
Generous by default
High built-in limits for transactional email.
Before reading: Please notice that rate limits only apply to emails you send via the API or SDKs.
What are rate limits?
Rate limits help keep our service fast and fair for everyone. Each consumer can make a limited number of requests within a given time window. If you exceed this limit, requests may be temporarily blocked until the window resets. This prevents abuse and ensures stable performance for all users.
How high are these limits?
We offer different rate limits depending on your plan:
Free
Up to 250 emails/hour
Ideal for testing, prototypes, and small personal projects.
Start-Up
Up to 1500 emails/hour
Built for early-stage products and moderate production traffic.
Pro
Up to 7,500 emails/hour
Designed for established applications with higher throughput needs.
Need more? No problem, contact us for a custom increase. We review every request individually, taking your use case, traffic patterns, and technical requirements into account.