Outbound email latency for non-EU Bird (Sparkpost) customers

Update timeline

1. investigating Feb 24, 2026, 07:34 PM UTC

   Braze Engineers detected an increase in latency on email outbound messaging for customers on Bird (Sparkpost) non-EU Braze clusters. This latency build up started at 13:53 ET. Braze has engaged Sparkpost, who have declared an incident and are actively investigating, you can follow their Statuspage for updates, and we'll update here in 30 minutes, or when we learn more. https://status.sparkpost.com/incidents/ndjn00g5vwm3

2. investigating Feb 24, 2026, 07:42 PM UTC

   As of 14:34 ET, Sparkpost has identified the root cause to be a networking issue on their US cluster. We are monitoring performance for improvement.

3. resolved Feb 24, 2026, 08:00 PM UTC

   As of 14:41 ET, Sparkpost has declared this incident resolved after implementing a fix. Braze Engineers have confirmed that real time outbound email latency has returned within normal operational bounds as of 14:34 ET. Any messages that failed during this window, were automatically retried. This incident is considered resolved.