Braze experienced a minor incident on January 23, 2026 affecting Email, lasting 2h 54m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jan 23, 2026, 12:47 AM UTC
Braze Engineers have identified elevated email bounce rates for customers sending email via SparkPost (Bird), starting around 17:35 ET. We are working with SparkPost Engineering who are aware and investigating the issue. We'll update in 30 minutes or when we have an update from Sparkpost.
- investigating Jan 23, 2026, 02:00 AM UTC
Braze and Sparkpost engineers continue to investigate this issue. While we have not fully identified the root cause, Sparkpost is reverting a code deployment from this afternoon that we believe could be correlated. Our next update will come in an hour, or when the revert is complete.
- monitoring Jan 23, 2026, 02:57 AM UTC
SparkPost's revert successfully resolved this issue, and we have seen bounce rates return to normal levels, and no instances of the specific error code as of 9:42 PM ET. Our engineering teams will continue to monitor the situation to ensure the issue does not recur.
- resolved Jan 23, 2026, 03:42 AM UTC
We have not seen any instances of the specific error code in an hour, since 9:42 PM ET. This incident is considered resolved.