SparkPost incident

Webhook delays for some SparkPost customers (US hosted only)

Minor Resolved View vendor source →

SparkPost experienced a minor incident on November 20, 2025 affecting Event Webhooks - USA, lasting 2h 27m. The incident has been resolved; the full update timeline is below.

Started
Nov 20, 2025, 03:56 PM UTC
Resolved
Nov 20, 2025, 06:23 PM UTC
Duration
2h 27m
Detected by Pingoru
Nov 20, 2025, 03:56 PM UTC

Affected components

Event Webhooks - USA

Update timeline

  1. investigating Nov 20, 2025, 03:56 PM UTC

    Our webhook data delivery services are running behind and some customers may see a delay in data streamed to their webhook endpoints. Message injection and outbound message delivery is not impacted - all messages are flowing as expected. Note: This issue does not impact our SparkPost customers hosted in the EU.

  2. identified Nov 20, 2025, 04:12 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Nov 20, 2025, 05:16 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Nov 20, 2025, 10:09 PM UTC

    This issue has been resolved. We apologize for any inconvenience it may have cause.