Resolved - This incident has been resolved.

When: 9:24 - 10:22a EDT May 12 (10:24 - 11:22p KST, 1:24 - 2:22p GMT)
Impact: Performance degradation for 5-10% of API requests
Cause: AWS confirmed that the hardware for a single API instance began to fail shortly after provisioning resulting in slow response times
Remediation: Abnormal API instance was removed from the active pool
May 12, 10:22 EDT

Resolved - When: 5:04 - 6:32p PDT May 9 (12:04 - 1:32a GMT May 10, 9:04 - 10:32a KST May 10)
Cause: Infrastructure configuration change led to an increase in system load resulting in API performance impact.
Remediation: Configuration change was reverted.
May 9, 20:04 EDT