Emily Lane
August 07, 2024
We've updated our notification pipeline to catch ThrottleException thrown by AWS SES in the case the SES account has reached its thresholds. ThrottleExceptin is now a retryable error with this feature, and notifications will automatically be retried with an exponential backoff.
Learn more: Learn more about delivery pipeline resilience and retries · how Courier integrates with AWS SES

Experiments: A/B Testing in Journeys
Run 2 to 10 message variants on a single send node in a journey, split live traffic by weight, compare per-variant results, and promote the one you want.
By Emily Lane
July 09, 2026

AI Localization
Localize Courier templates in seconds with AI Translation, now available in Design Studio for email, SMS, push, in-app, and chat.
By Emily Lane
June 29, 2026

Embed Notification Preferences with One Web Component
Embed a complete notification preferences center in your app with Courier’s Web Component, giving users control over topics, channels, digests, and themes.
By Emily Lane
June 05, 2026
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