SparkPost

Operational

All Systems Operational

Official status page (opens in a new tab)

Official status API · last read just now

Components

SparkPost reports all 26 components operational. As listed on its status page, read just now.

  • Metrics API - USA · Metrics APIOperational
  • Transmissions API - USA · Transmissions APIOperational
  • Events API - USA · Events APIOperational
  • SparkPost Application - USA · SparkPost Application (WebUI)Operational
  • SMTP API - USA · SMTP APIOperational
  • Sending Domains API - USA · Sending Domains APIOperational
  • SMTP Delivery - USA · SMTP Delivery (Outbound Message Delivery)Operational
  • Relay Webhooks - USA · Relay Webhooks Delivery ServiceOperational
  • Event Webhooks - USA · Event Webhook Delivery ServiceOperational
  • Engagement Tracking Service (redirecting clicks and serving opens) - USA · Engagement Tracking ServiceOperational
  • Suppression List API - USA · Suppression List APIOperational
  • Blocklist API - USA · Blocklist APIOperational
  • Alerts API - USA · Alerts APIOperational
  • SparkPost Application - EUROPE · SparkPost Application (WebUI)Operational
  • SMTP Delivery - EUROPE · SMTP Delivery (Outbound Message Delivery)Operational
  • Relay Webhooks - EUROPE · Relay Webhooks Delivery ServiceOperational
  • Metrics API - EUROPE · Metrics APIOperational
  • Events API - EUROPE · Events APIOperational
  • Sending Domains API - EUROPE · Sending Domains APIOperational
  • SMTP API - EUROPE · SMTP APIOperational
  • Transmissions API - EUROPE · Transmissions APIOperational
  • Event Webhooks - EUROPE · Event Webhook Delivery ServiceOperational
  • Suppression List API - EUROPE · Suppression List APIOperational
  • Blocklist API - EUROPE · Blocklist APIOperational
  • Alerts API - EUROPE · Alerts APIOperational
  • Mailbox Provider Service InterruptionOperational
Reported uptime
100%
From published incidents, 89 of 90 days covered
Published incidents
7
Active in the last 90 days
Days affected
7
Out of the last 90, any severity
Last incident
13 d ago
Started Oct 28, 19:37 UTC

Last 90 days

90 days agoToday
  • Operational
  • Maintenance
  • Degraded
  • Partial outage
  • Major outage
  • No data

Incident timeline

October 2026

  1. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Notice · Oct 30, 19:21 UTC · SMTP Delivery - USA

    22 h 2 min

    Official (opens in a new tab)

    Resolved

  2. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Oct 28, 19:37 UTC · SMTP Delivery - USA

    1 h 1 min

    Official (opens in a new tab)

    Resolved

  3. Increased message delays in US and EU due to DNS resolution errors

    Degraded · Oct 11, 17:51 UTC · SMTP Delivery - USA, SMTP Delivery - EUROPE

    3 h 6 min

    Official (opens in a new tab)

    Resolved

  4. Mail delivery delays

    Degraded · Oct 1, 17:05 UTC · SMTP Delivery - USA, SMTP Delivery - EUROPE

    31 min

    Official (opens in a new tab)

    Resolved

September 2026

  1. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Sep 17, 09:06 UTC · SMTP Delivery - USA

    54 min

    Official (opens in a new tab)

    Resolved

  2. Health Score and Cohort data is delayed

    Degraded · Sep 14, 14:19 UTC · SparkPost Application - USA, SparkPost Application - EUROPE

    2 h 27 min

    Official (opens in a new tab)

    Resolved

August 2026

  1. Elevated hard bounces for Apple private relay recipients (privaterelay.appleid.com)

    Degraded · Aug 27, 18:03 UTC · Mailbox Provider Service Interruption

    4 h 54 min

    Official (opens in a new tab)

    Resolved

  2. Outbound message delivery is delayed/slow for some SparkPost customers (EU hosted only)

    Degraded · Aug 19, 18:52 UTC · SMTP Delivery - EUROPE

    1 h 6 min

    Official (opens in a new tab)

    Resolved

July 2026

  1. Partial Outage and Delivery Issues in US-West-2 Region

    Major outage · Jul 24, 11:14 UTC · Transmissions API - USA, SMTP API - USA, SMTP Delivery - USA

    7 h 30 min

    Official (opens in a new tab)

    Resolved

June 2026

  1. There is a delay effecting some mail sending in EU.

    Degraded · Jun 29, 15:58 UTC · SMTP Delivery - EUROPE, SMTP API - EUROPE, Transmissions API - EUROPE

    48 min

    Official (opens in a new tab)

    Resolved

May 2026

  1. Issue with updating payment information

    Notice · May 12, 12:48 UTC

    50 min

    Official (opens in a new tab)

    Resolved

  2. Elevated 5xx Suppression List API error rates and latency for some SparkPost customers (US hosted only)

    Degraded · May 11, 18:55 UTC · Suppression List API - USA

    1 h 7 min

    Official (opens in a new tab)

    Resolved

  3. Delayed delivery for some messages in EU

    Notice · May 9, 21:39 UTC · SMTP API - EUROPE

    38 min

    Official (opens in a new tab)

    Resolved

  4. Intermittent email injection failures affecting a small subset of customers in Europe

    Degraded · May 7, 09:31 UTC · SMTP API - EUROPE

    1 d 2 h

    Official (opens in a new tab)

    Resolved

April 2026

  1. Increased bounce or delay rate for Apple domains

    Degraded · Apr 5, 18:27 UTC · SMTP Delivery - USA, SMTP Delivery - EUROPE

    34 min

    Official (opens in a new tab)

    Resolved

March 2026

  1. Email delivery in US region affected

    Partial outage · Mar 12, 06:51 UTC · SMTP Delivery - USA

    4 h 34 min

    Official (opens in a new tab)

    Resolved

  2. Outbound message delivery is delayed/slow for some SparkPost customers (US and EU regions)

    Degraded · Mar 5, 00:51 UTC · SMTP Delivery - USA, SMTP Delivery - EUROPE

    33 min

    Official (opens in a new tab)

    Resolved

February 2026

  1. Microsoft Mail Delivery Delays and Temporary Rejections

    Degraded · Feb 26, 17:55 UTC · Mailbox Provider Service Interruption

    23 h 43 min

    Official (opens in a new tab)

    Resolved

  2. Elevated 5xx Transmissions API error rates and latency for some SparkPost customers (US hosted only)

    Partial outage · Feb 24, 19:07 UTC · Transmissions API - USA

    34 min

    Official (opens in a new tab)

    Resolved

  3. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Feb 24, 15:01 UTC · SMTP Delivery - USA

    3 h 15 min

    Official (opens in a new tab)

    Resolved

  4. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Feb 20, 16:06 UTC · SMTP Delivery - USA

    27 min

    Official (opens in a new tab)

    Resolved

  5. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Feb 18, 14:51 UTC · SMTP Delivery - USA

    2 h 16 min

    Official (opens in a new tab)

    Resolved

January 2026

  1. SSO Login Failures Due to reCAPTCHA Configuration Issue

    Notice · Jan 27, 16:39 UTC · SparkPost Application - USA

    8 d 19 h

    Official (opens in a new tab)

    Resolved

  2. Delays in sending emails to Microsoft domains

    Degraded · Jan 15, 11:06 UTC · SMTP Delivery - USA, SMTP Delivery - EUROPE

    12 d 5 h

    Official (opens in a new tab)

    Resolved

  3. Delays in sending emails to yahoo.com domain in EU and US regions

    Notice · Jan 14, 16:27 UTC

    Official (opens in a new tab)

    Resolved

December 2025

  1. Delay in event processing.

    Degraded · Dec 11, 18:36 UTC · Metrics API - USA, Events API - USA, SparkPost Application - USA, Event Webhooks - USA

    3 h 52 min

    Official (opens in a new tab)

    Resolved

  2. Longer than expected delays

    Degraded · Dec 11, 16:34 UTC · SMTP Delivery - USA, SMTP Delivery - EUROPE

    2 h 0 min

    Official (opens in a new tab)

    Resolved

  3. Data processing delays

    Degraded · Dec 10, 21:22 UTC · Metrics API - USA, Events API - USA, SparkPost Application - USA, Event Webhooks - USA +4

    3 h 11 min

    Official (opens in a new tab)

    Resolved

  4. Increased error rates and latency from our APIs

    Degraded · Dec 10, 03:40 UTC · Metrics API - USA, Transmissions API - USA, Events API - USA, SparkPost Application - USA +5

    2 h 29 min

    Official (opens in a new tab)

    Resolved

  5. Data Process is delayed for Sparkpost US - EU

    Degraded · Dec 8, 02:24 UTC · Metrics API - USA, Events API - USA, SparkPost Application - USA, SparkPost Application - EUROPE +2

    3 h 8 min

    Official (opens in a new tab)

    Resolved

  6. Data processing delays for SparkPost customers - US and EU regions

    Degraded · Dec 5, 19:16 UTC · Metrics API - USA, SparkPost Application - USA, SparkPost Application - EUROPE, Metrics API - EUROPE

    3 h 7 min

    Official (opens in a new tab)

    Resolved

November 2025

  1. Yahoo Mail Sending Delays

    Degraded · Nov 28, 09:40 UTC · Events API - USA, SparkPost Application - USA, Event Webhooks - USA

    37 min

    Official (opens in a new tab)

    Resolved

  2. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Nov 27, 14:22 UTC · SMTP Delivery - USA

    1 h 1 min

    Official (opens in a new tab)

    Resolved

  3. High response times on the API

    Degraded · Nov 27, 11:24 UTC · Transmissions API - USA

    1 h 37 min

    Official (opens in a new tab)

    Resolved

  4. Intermittent email api failures impacting EU customers

    Notice · Nov 21, 09:08 UTC · Transmissions API - EUROPE

    1 h 23 min

    Official (opens in a new tab)

    Resolved

  5. Webhook delays for some SparkPost customers (US hosted only)

    Degraded · Nov 20, 15:56 UTC · Event Webhooks - USA

    2 h 27 min

    Official (opens in a new tab)

    Resolved

  6. SMTP message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Nov 11, 14:35 UTC · SMTP Delivery - USA

    1 h 35 min

    Official (opens in a new tab)

    Resolved

  7. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Nov 10, 22:06 UTC · SMTP Delivery - USA

    1 h 4 min

    Official (opens in a new tab)

    Resolved

  8. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Nov 4, 21:33 UTC · SMTP Delivery - USA

    3 min

    Official (opens in a new tab)

    Resolved

October 2025

  1. Outbound message delivery is slightly delayed/slow for some SparkPost customers (US hosted only)

    Degraded · Oct 28, 18:51 UTC · SMTP Delivery - USA

    1 h 53 min

    Official (opens in a new tab)

    Resolved

  2. Transmissions API - Elevated error rate in US region

    Degraded · Oct 20, 10:55 UTC · Transmissions API - USA

    1 h 14 min

    Official (opens in a new tab)

    Resolved

  3. Captcha error for login with password

    Notice · Oct 13, 08:28 UTC · SparkPost Application - USA, SparkPost Application - EUROPE

    3 h 14 min

    Official (opens in a new tab)

    Resolved

September 2025

  1. Outbound message delivery is delayed/slow for some SparkPost customers (EU hosted only)

    Degraded · Sep 24, 15:34 UTC · SMTP Delivery - EUROPE

    1 h 46 min

    Official (opens in a new tab)

    Resolved

  2. Data processing delays

    Degraded · Sep 12, 14:55 UTC · SparkPost Application - USA, SparkPost Application - EUROPE

    6 h 41 min

    Official (opens in a new tab)

    Resolved

July 2025

  1. Outbound message delivery to Yahoo is delayed/slow

    Degraded · Jul 24, 17:41 UTC · SMTP Delivery - USA

    3 h 39 min

    Official (opens in a new tab)

    Resolved

May 2025

  1. Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

    Degraded · May 18, 14:58 UTC · SMTP Delivery - USA

    4 h 5 min

    Official (opens in a new tab)

    Resolved

  2. Relay Webhook delays in EU

    Degraded · May 16, 15:53 UTC · Relay Webhooks - EUROPE

    25 min

    Official (opens in a new tab)

    Resolved

  3. Elevated percentage of API calls failing

    Degraded · May 13, 05:22 UTC · Metrics API - USA, Transmissions API - USA, Events API - USA, SMTP API - USA +12

    6 h 7 min

    Official (opens in a new tab)

    Resolved

  4. Relay Webhook delays in EU

    Degraded · May 12, 16:39 UTC · Relay Webhooks - EUROPE

    1 h 5 min

    Official (opens in a new tab)

    Resolved

March 2025

  1. Delay Processing Delays for March 26th

    Notice · Mar 28, 16:03 UTC · Events API - USA, SparkPost Application - USA, SparkPost Application - EUROPE, Events API - EUROPE

    7 h 12 min

    Official (opens in a new tab)

    Resolved