Courier incident

Message Delays on Send Pipeline

Minor Resolved View vendor source →

Courier experienced a minor incident on June 5, 2025 affecting API, lasting 1h 17m. The incident has been resolved; the full update timeline is below.

Started
Jun 05, 2025, 06:51 PM UTC
Resolved
Jun 05, 2025, 08:08 PM UTC
Duration
1h 17m
Detected by Pingoru
Jun 05, 2025, 06:51 PM UTC

Affected components

API

Update timeline

  1. investigating Jun 05, 2025, 06:51 PM UTC

    The Courier team has identified an issue where there are significant delays of up to 10 minutes for messages. We are currently investigating and looking for a root cause to mitigate. Updates will follow.

  2. identified Jun 05, 2025, 07:04 PM UTC

    Backed-up messages were caused by a bottleneck in our system, which has started to catch up. Messages will stabilize as the bottleneck clears.

  3. monitoring Jun 05, 2025, 07:14 PM UTC

    Message bottleneck has cleared and the queue has stabilized. We will continue to monitor.

  4. monitoring Jun 05, 2025, 07:19 PM UTC

    Messages have stabilized but we will continue to monitor.

  5. resolved Jun 05, 2025, 08:08 PM UTC

    Messages have recovered and pipeline is stable again.