Outage in Braze
Email delivery issues
Resolved MinorIncident Report
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.
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Latest Updates ( sorted recent to last )
RESOLVED
3 months ago - at 01/23/2026 03:42AM
We have not seen any instances of the specific error code in an hour, since 9:42 PM ET.
This incident is considered resolved.
MONITORING
3 months ago - at 01/23/2026 02:57AM
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.
INVESTIGATING
3 months ago - at 01/23/2026 02:00AM
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.
INVESTIGATING
3 months ago - at 01/23/2026 12:47AM
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.
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