OutageDB

SparkPost outage history and status

Is SparkPost down right now?

No
All Systems Operational Official status as of Oct 26, 2026, 16:17 UTC (refreshing…)
100%
uptime, 90 days
6
incidents, 90 days
1 h 46 min
median time to fix
Oct 11, 2026
last incident

SparkPost components

Alerts API

Blocklist API

Engagement Tracking Service

Event Webhook Delivery Service

Events API

Metrics API

Relay Webhooks Delivery Service

SMTP API

SMTP Delivery (Outbound Message Delivery)

Sending Domains API

SparkPost Application (WebUI)

Suppression List API

Transmissions API

SparkPost outage history

Nov: 8 incidents, 0 min of major outage 8 Nov Dec: 6 incidents, 0 min of major outage 6 Dec Jan: 3 incidents, 0 min of major outage 3 Jan Feb: 5 incidents, 34 min of major outage 5 Feb Mar: 2 incidents, 274 min of major outage 2 Mar Apr: 1 incidents, 0 min of major outage 1 Apr May: 4 incidents, 0 min of major outage 4 May Jun: 1 incidents, 0 min of major outage 1 Jun Jul: 1 incidents, 450 min of major outage 1 Jul Aug: 2 incidents, 0 min of major outage 2 Aug Sep: 2 incidents, 0 min of major outage 2 Sep Oct: 2 incidents, 0 min of major outage 2 Oct
SparkPost incidents per month, last 12 months. Red: months with a major or critical outage. Shaded: before our complete history.
Started (UTC)IncidentImpactDuration
Oct 11, 2026, 17:51 UTC Increased message delays in US and EU due to DNS resolution errors
SMTP Delivery - USA, SMTP Delivery - EUROPE
 Minor 3 h 06 min
Oct 1, 2026, 17:05 UTC Mail delivery delays
SMTP Delivery - USA, SMTP Delivery - EUROPE
 Minor 31 min
Sep 17, 2026, 09:06 UTC Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
SMTP Delivery - USA
 Minor 54 min
Sep 14, 2026, 14:19 UTC Health Score and Cohort data is delayed
SparkPost Application - USA, SparkPost Application - EUROPE
 Minor 2 h 27 min
Aug 27, 2026, 18:03 UTC Elevated hard bounces for Apple private relay recipients (privaterelay.appleid.com)
Mailbox Provider Service Interruption
 Minor 4 h 54 min
Aug 19, 2026, 18:52 UTC Outbound message delivery is delayed/slow for some SparkPost customers (EU hosted only)
SMTP Delivery - EUROPE
 Minor 1 h 06 min
Jul 24, 2026, 11:14 UTC Partial Outage and Delivery Issues in US-West-2 Region
Transmissions API - USA, SMTP API - USA, SMTP Delivery - USA
 Critical 7 h 30 min
Jun 29, 2026, 15:58 UTC There is a delay effecting some mail sending in EU.
SMTP Delivery - EUROPE, SMTP API - EUROPE, Transmissions API - EUROPE
 Minor 48 min
May 12, 2026, 12:48 UTC Issue with updating payment information No impact 50 min
May 11, 2026, 18:55 UTC Elevated 5xx Suppression List API error rates and latency for some SparkPost customers (US hosted only)
Suppression List API - USA
 Minor 1 h 07 min
May 9, 2026, 21:39 UTC Delayed delivery for some messages in EU
SMTP API - EUROPE
 No impact 38 min
May 7, 2026, 09:31 UTC Intermittent email injection failures affecting a small subset of customers in Europe
SMTP API - EUROPE
 Minor 26 h
Apr 5, 2026, 18:27 UTC Increased bounce or delay rate for Apple domains
SMTP Delivery - USA, SMTP Delivery - EUROPE
 Minor 34 min
Mar 12, 2026, 06:51 UTC Email delivery in US region affected
SMTP Delivery - USA
 Major 4 h 34 min
Mar 5, 2026, 00:51 UTC Outbound message delivery is delayed/slow for some SparkPost customers (US and EU regions)
SMTP Delivery - USA, SMTP Delivery - EUROPE
 Minor 33 min
Feb 26, 2026, 17:55 UTC Microsoft Mail Delivery Delays and Temporary Rejections
Mailbox Provider Service Interruption
 Minor 23 h 43 min
Feb 24, 2026, 19:07 UTC Elevated 5xx Transmissions API error rates and latency for some SparkPost customers (US hosted only)
Transmissions API - USA
 Major 34 min
Feb 24, 2026, 15:01 UTC Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
SMTP Delivery - USA
 Minor 3 h 15 min
Feb 20, 2026, 16:06 UTC Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
SMTP Delivery - USA
 Minor 27 min
Feb 18, 2026, 14:51 UTC Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
SMTP Delivery - USA
 Minor 2 h 16 min
Jan 27, 2026, 16:39 UTC SSO Login Failures Due to reCAPTCHA Configuration Issue
SparkPost Application - USA
 No impact 8 days 19 h
Jan 15, 2026, 11:06 UTC Delays in sending emails to Microsoft domains
SMTP Delivery - USA, SMTP Delivery - EUROPE
 Minor 12 days 5 h
Jan 14, 2026, 16:27 UTC Delays in sending emails to yahoo.com domain in EU and US regions No impact —
Dec 11, 2025, 18:36 UTC Delay in event processing.
Metrics API - USA, Events API - USA, SparkPost Application - USA, Event Webhooks - USA
 Minor 3 h 52 min
Dec 11, 2025, 16:34 UTC Longer than expected delays
SMTP Delivery - USA, SMTP Delivery - EUROPE
 Minor 2 h

50 incidents in our archive since February 26, 2025.

When and where SparkPost fails

By weekday

Most incidents start on Thu.

  • Mon8
  • Tue8
  • Wed7
  • Thu15
  • Fri8
  • Sat1
  • Sun3

Most affected, last 12 months

  • SMTP Delivery - USA17
  • SMTP Delivery - EUROPE8
  • SparkPost Application - USA8
  • Events API - USA5
  • Metrics API - USA5
  • Event Webhooks - USA4
  • SparkPost Application - EUROPE4
  • Transmissions API - USA4

When SparkPost went down with others

Other email & messaging apis services

FAQ

Is SparkPost down right now?
At our last check SparkPost's official status page reported: All Systems Operational. This page refreshes the status every few minutes.
How often does SparkPost go down?
SparkPost reported 6 incidents in the last 90 days (0 major or critical), with 0 minutes of major outage: 100% uptime.
When was the last SparkPost outage?
The latest reported incident started on Oct 11, 2026, 17:51 UTC: "Increased message delays in US and EU due to DNS resolution errors", resolved after 3 h 06 min.
How long do SparkPost outages last?
Half of SparkPost's incidents in the last 90 days were resolved within 1 h 46 min.

Source: SparkPost official status page · RSS of SparkPost incidents · status badge for your site