Resolved after 50 minutes, affecting Issuing API and Customer APIs, on June 2, 2026.
### Summary On June 2, 2026, some customers experienced elevated latency on `/v1/issuing/risks` and `/v1/customers` requests in `prod-eu`. We’re sorry for the disruption and for any delays this caused in customer risk decisions. ### What Happened A subset of issuing risk requests became slower than expected due to delayed customer data lookups. During the main impact window, affected requests could take up to approximately 5 seconds before continuing through a soft-fail path. ### Why It Happened The issue was caused by a customer lookup path not enforcing its intended short timeout. When some customer lookups stalled, they waited on the broader request deadline instead of failing fast at the operation-level timeout. ### What We’re Doing About It We deployed a hotfix to reduce the customer-load timeout and limit how long issuing requests can wait on stalled lookups. We are also adding follow-up improvements to reduce Datastore dependency in low-latency paths and investigate the underlying cause of the lookup stalls.
Affected components
Update timeline
- investigating Jun 02, 2026, 05:43 PM UTC
We are currently investigating this issue.
- resolved Jun 02, 2026, 06:34 PM UTC
This incident has been resolved.
- postmortem Jun 08, 2026, 08:41 PM UTC
### Summary On June 2, 2026, some customers experienced elevated latency on `/v1/issuing/risks` and `/v1/customers` requests in `prod-eu`. We’re sorry for the disruption and for any delays this caused in customer risk decisions. ### What Happened A subset of issuing risk requests became slower than expected due to delayed customer data lookups. During the main impact window, affected requests could take up to approximately 5 seconds before continuing through a soft-fail path. ### Why It Happened The issue was caused by a customer lookup path not enforcing its intended short timeout. When some customer lookups stalled, they waited on the broader request deadline instead of failing fast at the operation-level timeout. ### What We’re Doing About It We deployed a hotfix to reduce the customer-load timeout and limit how long issuing requests can wait on stalled lookups. We are also adding follow-up improvements to reduce Datastore dependency in low-latency paths and investigate the underlying cause of the lookup stalls.
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