Delayed Polar data delivery

Resolved

Degraded performance

Started about 2 months agoJune 18, 2026Lasted 6 daysJune 18, 20266:00 PMJune 24, 202612:00 PMUTC

Affected

Data Providers

Polar

Updates

Resolved
June 24, 2026 at 12:00 PMUTC
Resolved
June 24, 2026 at 12:00 PMUTC
Polar data delivery has returned to normal. Real-time updates during this period were delayed; the underlying data remains available from Polar and can be re-synced.
Monitoring
June 23, 2026 at 9:00 AMUTC
Monitoring
June 23, 2026 at 9:00 AMUTC
Polar data volumes are recovering as their fixes roll out and users update the Polar app.
Identified
June 19, 2026 at 10:00 AMUTC
Identified
June 19, 2026 at 10:00 AMUTC
This is an upstream issue on Polar's side. Polar has confirmed synchronization problems in their mobile app affecting activity data and webhook delivery for a subset of users. Historical data remains available from Polar.
Investigating
June 18, 2026 at 6:00 PMUTC
Investigating
June 18, 2026 at 6:00 PMUTC
We're seeing reduced, delayed activity data from Polar. Real-time updates for some Polar users are arriving late or not at all.

Terra - Delayed Polar data delivery – Incident details