Piano.io incident
CXense - Delays in ingestion of user profile updates
Piano.io experienced a minor incident on December 3, 2025 affecting API Endpoints - cxense - api.cxense.com, lasting 19h 31m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Dec 03, 2025, 08:15 PM UTC
We have identified an issue affecting the ingestion of user profile updates, causing processing delays. Our engineering team has implemented remediation measures, and we are currently working to process the backlog of delayed updates.
- identified Dec 03, 2025, 09:14 PM UTC
Backlog of delayed updates have been processed. We continue to monitor the situation.
- monitoring Dec 03, 2025, 09:39 PM UTC
We continue to monitor the situation.
- resolved Dec 04, 2025, 03:46 PM UTC
This incident has been resolved.
- postmortem Dec 17, 2025, 08:52 AM UTC
RCA report for the incident can be found at [**this link**](https://docs.piano.io/wp-content/uploads/2025/12/2025-12-03-RCA-Delays-in-ingestion-of-user-profile-updates.pdf).