Emily Lane
August 27, 2024

Send rate limits for providers
Send to Courier at any rate. Courier sends to each provider at the rate you set.
By Emily Lane
October 21, 2026

Preference webhooks and change history API
Get every preference change as a webhook, and read the full history by API.
By Emily Lane
October 14, 2026

Cross-Device Email Preview
Preview email templates on real devices, 96 clients across 21 apps, right from Design Studio.
By Emily Lane
September 01, 2026