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Outage in Mux

Elevated webhook delivery latency

Resolved Minor
September 24, 2026 - Started 11 days ago - Lasted about 1 hour
Official incident page

Incident Report

Summary AI Generated

Between 16:40 and 17:36 UTC, Mux experienced elevated webhook delivery latency affecting Mux Video VOD and Live, with delays averaging ~5 minutes and peaking up to 15 minutes. The root cause was an issue in an internal database cluster that disrupted the webhook event queuing pipeline; video processing, playback, and API requests remained unaffected and no events were lost. The database issue was resolved by 17:36 UTC, all delayed webhooks were delivered, and delivery times stabilized within the 48-minute incident window.

We are currently investigating elevated webhook delivery times. Beginning at 16:40 UTC, some webhooks are being delivered with a delay of approximately 5 minutes. Video processing, playback, and API requests are not affected, and no webhook events are being dropped — delayed events will still be delivered. We will provide an update as soon as we have more information.
Components affected
Mux Video - VOD Mux Video - Live

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Latest Updates ( sorted recent to last )
RESOLVED 11 days ago - at 09/24/2026 06:21PM

This incident has been resolved. Between 16:40 UTC and 17:36 UTC, webhook events were delivered with delays averaging around 5 minutes, with some events delayed up to 15 minutes. Video processing, playback, and API requests were unaffected, and no events were lost — all delayed webhooks have been delivered.The underlying issue in one of our internal database clusters has been addressed, and delivery times have been stable since 17:36 UTC. We apologize for the disruption.

MONITORING 11 days ago - at 09/24/2026 05:51PM

Webhook delivery times have returned to normal. Between 16:40 UTC and 17:36 UTC, webhook events were delivered with delays averaging around 5 minutes, with some events delayed up to 15 minutes. Video processing, playback, and API requests were unaffected, and no events were lost — all delayed webhooks have been delivered.We have addressed the underlying issue in one of our internal database clusters and are monitoring to confirm.

IDENTIFIED 11 days ago - at 09/24/2026 05:44PM

We have identified the cause of the elevated webhook delivery times. An issue in one of our internal database clusters introduced a delay in the pipeline that queues webhook events, resulting in delivery delays beginning at 16:40 UTC. Video processing, playback, and API requests are unaffected, and no events have been lost — delayed webhooks are still being delivered. Delivery times are beginning to recover.

INVESTIGATING 11 days ago - at 09/24/2026 05:37PM

We are currently investigating elevated webhook delivery times. Beginning at 16:40 UTC, some webhooks are being delivered with a delay of approximately 5 minutes. Video processing, playback, and API requests are not affected, and no webhook events are being dropped — delayed events will still be delivered. We will provide an update as soon as we have more information.

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