New AI Incident Response, Multi-Region Agents, and Custom-Domain Status Pages — May 2026
Monitor Features overview Vendor status Uptime & synthetic checks Certificate lifecycle Operate Incident management Live demo
By goal Replace your stack Why ServiceAlert Competitor comparisons Alternatives directory By signal Reliability hub   · Uptime rankings   · SLA compliance Outage map
Services
Check & scan SSL security grader Status checker DNS lookup Response time WHOIS lookup Calculators SLA calculator Downtime calculator Embed Status badges All tools →
Pricing
Guides Help center Uptime monitoring RUM & analytics Teams & shared monitors Developer API reference Status badges Learn Blog Outage reports FAQ Changelog
Dashboard

SparkPost Outage History

Uptime record, past incidents, and downtime history for SparkPost.

Checking current status...
89% uptime over 91 days
99.9% ✗ 99.5% ✗ 99% ✗ 95% ✗

90-Day Trend

Feb 25May 25

Monthly Uptime

Month Uptime Days Tracked Days with Issues
May 2026 84% 25 4
April 2026 96.7% 30 1
March 2026 93.5% 31 2
February 2026 40% 5 3

Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.

Daily Status (Last 91 Days)

Feb 24 Today
Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

May 2026
Issue with updating payment information

Started: May 12, 12:48 PM

monitoring
A fix has been implemented and we are monitoring the results.
May 12, 1:10 PM
identified
We’re currently investigating an issue that prevented some customers from updating their payment details. The root cause has been identified, and a fix is being implemented.
May 12, 12:48 PM
Elevated 5xx Suppression List API error rates and latency for some SparkPost customers (US hosted only)
minor

Started: May 11, 6:55 PM

monitoring
A fix has been implemented and we are monitoring the results.
May 11, 7:46 PM
identified
We are experiencing an elevated level of errors and latency on the Suppression List API for some SparkPost customers. Please retry any 5xx error. Note: This issue does not impact SparkPost customers hosted in the EU.
May 11, 6:55 PM
Delayed delivery for some messages in EU

Started: May 9, 9:39 PM

monitoring
A fix has been implemented and we are monitoring the results.
May 9, 10:05 PM
identified
The issue has been identified and a fix is being implemented.
May 9, 9:50 PM
investigating
We are looking into why some messages are seeing delayed delivery.
May 9, 9:39 PM
Intermittent email injection failures affecting a small subset of customers in Europe
minor

Started: May 7, 9:31 AM

monitoring
A fix has been implemented and we are monitoring the results.
May 7, 10:49 AM
investigating
We are currently investigating this issue.
May 7, 9:31 AM
April 2026
Increased bounce or delay rate for Apple domains
minor

Started: Apr 5, 5:02 PM

monitoring
A fix has been implemented and we are monitoring the results.
Apr 5, 6:27 PM
identified
The issue was caused by an Apple iCloud Mail outage (https://www.apple.com/support/systemstatus/), which Apple has since marked as resolved. Bounce rates and delivery delays to Apple domains have returned to normal levels. We are currently reviewing our suppression lists to identify and remove any recipients that may have been incorrectly added during the incident.
Apr 5, 5:58 PM
investigating
We are currently investigating reports of delayed or failed email deliveries to Apple-hosted domains. Messages to non-Apple domains are unaffected. We will provide updates as more information becomes available.
Apr 5, 5:02 PM
View live status for SparkPost Browse all services