Retell AI incident

Concurrency not cleared up

Minor Resolved View vendor source →

Retell AI experienced a minor incident on June 9, 2025 affecting Web Call and Phone Call, lasting 21m. The incident has been resolved; the full update timeline is below.

Started
Jun 09, 2025, 10:52 PM UTC
Resolved
Jun 09, 2025, 11:14 PM UTC
Duration
21m
Detected by Pingoru
Jun 09, 2025, 10:52 PM UTC

Affected components

Web CallPhone Call

Update timeline

  1. identified Jun 09, 2025, 10:52 PM UTC

    3:15pm PDT: There starts to have a resource initialization problem with single prompt agents, causing the concurrency counter to pile up and not get cleared, and caused subsequent calls to get rejected 3:30pm PDT: a fix is starting to get rolled out, and we are resetting concurrency counters for everyone to unblock the calls in the meantime.

  2. resolved Jun 09, 2025, 11:14 PM UTC

    4:12pm: The fix has been deployed, and we've cleared the concurrency counter again to remove all the effects from the issue.