Mailchimp · Rate Limits

Mailchimp Rate Limits

Mailchimp Marketing API enforces concurrency-based rate limiting.

3 Limits Throttle: 429
Rate LimitingEmail

Limits

Concurrent API connections user/datacenter
concurrent
10
Up to 10 simultaneous connections per user across all apps.
Batch operations max request
operations ยท request
1000
Open batch operations user
concurrent_batches
500

Sources