US SMS Authentication Service Degraded

Final update

This incident has been resolved.

1. Resolved · Apr 18, 16:31 UTC
   This incident has been resolved.
2. Monitoring · Apr 18, 05:37 UTC
   We were able to cutover traffic to a recovered SMS service and have observed recovery. We will continue to monitor before resolving the incident.
3. Identified · Apr 18, 04:15 UTC
   PIN retry rates for users in US remain unchanged. There is a central point of failure effecting multiple 3rd party SMS providers. Users who retry are successfully completing checkouts. We will continue to monitor the situation and update as it progresses.
4. Identified · Apr 18, 03:03 UTC
   We are still observing elevated PIN retry rates for users in US. There is a central point of failure effecting multiple 3rd party SMS providers. Users who retry are successfully completing checkouts. We will continue to monitor the situation and update as it progresses.
5. Identified · Apr 18, 02:43 UTC
   We have identified the cause of the SMS retry rate and are investigating potential mitigations.
6. Investigating · Apr 18, 02:15 UTC
   We are currently investigating an increase in our SMS PIN retry rate affecting Affirm Checkout in the US