All Systems Operational
Uptime over the past 90 days. View historical uptime.
SparkPost Application (WebUI) Operational
90 days ago
100.0 % uptime
Today
SparkPost Application - USA ? Operational
90 days ago
100.0 % uptime
Today
SparkPost Application - EUROPE Operational
90 days ago
100.0 % uptime
Today
SMTP Delivery (Outbound Message Delivery) Operational
90 days ago
99.91 % uptime
Today
SMTP Delivery - USA Operational
90 days ago
99.82 % uptime
Today
SMTP Delivery - EUROPE Operational
90 days ago
100.0 % uptime
Today
Transmissions API Operational
90 days ago
100.0 % uptime
Today
Transmissions API - USA Operational
90 days ago
100.0 % uptime
Today
Transmissions API - EUROPE Operational
90 days ago
100.0 % uptime
Today
SMTP API Operational
90 days ago
100.0 % uptime
Today
SMTP API - USA Operational
90 days ago
100.0 % uptime
Today
SMTP API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Metrics API Operational
90 days ago
100.0 % uptime
Today
Metrics API - USA Operational
90 days ago
100.0 % uptime
Today
Metrics API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Events API ? Operational
90 days ago
100.0 % uptime
Today
Events API - USA Operational
90 days ago
100.0 % uptime
Today
Events API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Templates API Operational
90 days ago
100.0 % uptime
Today
Templates API - USA Operational
90 days ago
100.0 % uptime
Today
Templates API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Relay Webhooks Delivery Service Operational
90 days ago
100.0 % uptime
Today
Relay Webhooks - USA Operational
90 days ago
100.0 % uptime
Today
Relay Webhooks - EUROPE Operational
90 days ago
100.0 % uptime
Today
Sending Domains API Operational
90 days ago
100.0 % uptime
Today
Sending Domains API - USA Operational
90 days ago
100.0 % uptime
Today
Sending Domains API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Tracking Domains API Operational
90 days ago
100.0 % uptime
Today
Tracking Domains API - USA Operational
90 days ago
100.0 % uptime
Today
Tracking Domains API - EUROPE Operational
90 days ago
100.0 % uptime
Today
IP Pools API Operational
90 days ago
100.0 % uptime
Today
IP Pools API - USA Operational
90 days ago
100.0 % uptime
Today
IP Pools API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Sending IPs API Operational
90 days ago
100.0 % uptime
Today
Sending IPs API - USA Operational
90 days ago
100.0 % uptime
Today
Sending IPs API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Suppression List API Operational
90 days ago
100.0 % uptime
Today
Suppression List API - USA Operational
90 days ago
100.0 % uptime
Today
Suppression List API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Support Platform ? Operational
90 days ago
100.0 % uptime
Today
Event Webhook Delivery Service Operational
90 days ago
99.96 % uptime
Today
Event Webhooks - USA Operational
90 days ago
99.93 % uptime
Today
Event Webhooks - EUROPE Operational
90 days ago
100.0 % uptime
Today
Engagement Tracking Service Operational
90 days ago
100.0 % uptime
Today
Engagement Tracking Service (redirecting clicks and serving opens) - USA Operational
90 days ago
100.0 % uptime
Today
Engagement Tracking Service (redirecting clicks and serving opens) - EUROPE Operational
90 days ago
100.0 % uptime
Today
Mailbox Provider Service Interruption ? Operational
Blocklist API Operational
90 days ago
100.0 % uptime
Today
Blocklist API - USA Operational
90 days ago
100.0 % uptime
Today
Blocklist API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Seedlists API Operational
90 days ago
100.0 % uptime
Today
Seedlists API - USA Operational
90 days ago
100.0 % uptime
Today
Seedlists API - EUROPE Operational
90 days ago
100.0 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Past Incidents
Nov 27, 2021
Data delays for some SparkPost and SparkPost Enterprise customers (US hosted only)
Resolved - This incident has been resolved.
Nov 27, 10:45 EST
Monitoring - A fix has been implemented by our cloud service provider and we are monitoring the results.
Nov 27, 09:13 EST
Investigating - Our Events API, Metrics API, and 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.
Nov 27, 09:09 EST
Nov 26, 2021
Webhook delays for some SparkPost and SparkPost Enterprise customers (US hosted only)
Resolved - This incident has been resolved.
Nov 26, 20:37 EST
Update - Delays on webhook batch delivery continue to go down, but are not yet completely caught up.
Nov 26, 16:14 EST
Update - Mail delivery has caught up and all messages are flowing as expected.

Webhook deliveries are still delayed.
Nov 26, 14:46 EST
Update - The delays in webhook batch delivery are reducing. Newer batches are delivering more quickly and older batches are delivering on retry, but there is still a backlog of undelivered batches.

Delays in message delivery have reduced.

Engineers are continuing to work to tune resources to improve webhook and mail delivery.
Nov 26, 14:34 EST
Identified - The metrics API is now caught up so the data in the SparkPost UI / metrics API is up to date.
Webhooks deliveries continue to be impacted but the delays are reducing.
The temporary failures on delivery with the error '451 4.4.2 [internal] connection closed by remote host' are reducing
Nov 26, 13:41 EST
Update - We are continuing to work on this issue. We are adding capacity which is starting to reduce the delays in providing data in the metrics API / SparkPost UI and in streaming data to webhook endpoints. Webhook batches will continue to be retried for up to 8 hours.

The number of messages getting temporary failures with the error '451 4.4.2 [internal] connection closed by remote host' is decreasing and messages are being delivered on retry.
Nov 26, 13:00 EST
Update - We are continuing to investigate this issue. We have also started to see an increase in temporary failures delivering messages with delays with the error '451 4.4.2 [internal] connection closed by remote host'. Message injection and outbound message delivery is otherwise not impacted - all messages are flowing as expected.
Nov 26, 11:40 EST
Update - Our data processing services are running behind and we're seeing intermittent slowness and elevated error rates on our Metrics API and Reporting page.

Our webhook data delivery services are running behind and some customers may see a delay in data streamed to their webhook endpoints.

We are also seeing an increase in temporary failures delivering messages with delays with the error '451 4.4.2 [internal] connection closed by remote host'

Message injection and outbound message delivery is otherwise not impacted - all messages are flowing as expected.
Note: This issue does not impact our SparkPost customers hosted in the EU.
Nov 26, 11:00 EST
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.
Nov 26, 10:08 EST
Nov 25, 2021

No incidents reported.

Nov 24, 2021

No incidents reported.

Nov 23, 2021

No incidents reported.

Nov 22, 2021

No incidents reported.

Nov 21, 2021

No incidents reported.

Nov 20, 2021

No incidents reported.

Nov 19, 2021

No incidents reported.

Nov 18, 2021
Outbound message delivery is delayed/slow for some SparkPost and SparkPost Enterprise customers (US hosted only)
Resolved - The external customer RoadRunner appears to have resolved their issue. Delayed mail will continue to be delivered and then return to normal.
Nov 18, 18:24 EST
Investigating - We are investigating an increase in delivery latency for some outbound messages. We are having issues delivering to RoadRunner mailboxes and are being delayed.
Nov 18, 18:03 EST
Nov 17, 2021

No incidents reported.

Nov 16, 2021

No incidents reported.

Nov 15, 2021

No incidents reported.

Nov 14, 2021
SparkPost Account Maintenance for Billing
Completed - The scheduled maintenance has been completed.
Nov 14, 01:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 13, 22:01 EST
Scheduled - On November 14th the SparkPost application in both the US and EU region will undergo routine maintenance between 03:00 and up to 06:00 UTC. During this time you will be unable to make billing changes to your Account, including:
* Change your billing settings like update a credit card; the Billing page will be read-only
* Change messaging plans (including upgrading to a paid account)
* Purchase dedicated IPs or add Recipient Validation
* Request account cancellation
* Create a new paid account

NOTE: This maintenance will not impact message injection or outbound message delivery.
Nov 10, 10:28 EST
Nov 13, 2021
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