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SparkPost

Webhook delays for some SparkPost customers (US hosted only)

Degraded Lasted 2h 27m · started · SparkPost's page

Level
confirmed
Worst impact
Degraded
Components
Event Webhooks - USA
Regions
eu, us

What to do

  • Check whether you use SparkPost Event Webhooks - USA in eu, us. Check your stack

    Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.
  • Confirm your retries, queues and scheduled jobs caught up after the 2h 27m it lasted.

    Anything that failed between 2025-11-20 15:56 UTC and 2025-11-20 18:23 UTC may need a replay.
  • Subscribe to SparkPost's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=sparkpost works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from SparkPost 4

  1. investigating

    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.

    provider

  2. identified

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

    provider

  3. monitoring

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

    provider

  4. resolved

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

    provider

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Corrections

None so far.

Something wrong on this page? Report an error or send us a note. Every fix is listed here.

Questions about DWN-b2abb5a232

Is SparkPost still down?

No, this incident was resolved 2025-11-20 18:23 UTC. For SparkPost's live state, see https://down.guide/sparkpost.

How long did it last?

2h 27m, from 2025-11-20 15:56 UTC to 2025-11-20 18:23 UTC, by the times SparkPost posted.

What was affected?

SparkPost named Event Webhooks - USA in eu, us.

What caused it?

SparkPost hasn't published a root cause. If it does, it shows here.

Where does this come from?

SparkPost's official status page, https://status.sparkpost.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.