Outage in SparkPost
Webhook delays for some SparkPost customers (US hosted only)
Resolved MinorIncident Report
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.
Components affected
SparkPost Event Webhooks - USANeed to monitor SparkPost outages?
One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.
Latest Updates ( sorted recent to last )
RESOLVED
9 days ago - at 11/20/2025 10:09PM
This issue has been resolved. We apologize for any inconvenience it may have cause.
MONITORING
9 days ago - at 11/20/2025 05:16PM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
9 days ago - at 11/20/2025 04:12PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
9 days ago - at 11/20/2025 03:56PM
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.
Latest SparkPost outages
Yahoo Mail Sending Delays - 1 day ago
Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only) - 2 days ago
High response times on the API - 2 days ago
Status Aggregator for All Your Third-Party Services
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 4600 services available
Integrations with
