Retell AI incident

Custom LLM calls failing to start

Resolved after 14 minutes, affecting Web Call and Phone Call, on March 16, 2026.

identified Mar 16, 2026, 04:39 AM UTC

19:38 PST: custom LLM calls started failing to start due to a bad release. Other types of calls are not impacted. 21:35 PST: a fix is being rolled out, we are keep monitoring the issue.

Started
Mar 16, 2026, 04:39 AM UTC
Resolved
Mar 16, 2026, 04:54 AM UTC
Duration
14m
Detected by Pingoru
Mar 16, 2026, 04:39 AM UTC

Affected components

Web CallPhone Call

Update timeline

  1. identified Mar 16, 2026, 04:39 AM UTC

    19:38 PST: custom LLM calls started failing to start due to a bad release. Other types of calls are not impacted. 21:35 PST: a fix is being rolled out, we are keep monitoring the issue.

  2. resolved Mar 16, 2026, 04:54 AM UTC

    This incident has been resolved.

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