Most Courier APIs have no rate limits, but some—like List, Event, and Brand creation—are limited to 20 requests per minute. Login, invite, and category actions have additional limits.
No rate limit.If your send requests occur at a rate that exceeds your provider’s rate limit, Courier’s Send pipeline will retry your message for 72 hours following these send retry rules.
No rate limit.Some Courier customers like to hit the Profiles API before or after hitting the Send endpoint as part of their Notifications send workflow. The Profiles API is built to scale with this type of workflow.
