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down.guideby Sazabi
SparkPost

SparkPost status history

42 incidents over the last year, newest first; 100.00% uptime (90 days), 99.99% uptime (12 months). History from before down.guide started reading the page is imported from SparkPost's own archive.

Month

2026-10

4 incidents

  1. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 22h 2mSMTP Delivery - USAeu, us
  2. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 1h 1mSMTP Delivery - USAeu, us
  3. SparkPostDegraded
    Increased message delays in US and EU due to DNS resolution errors
    lasted 3h 6mSMTP Delivery - USA, SMTP Delivery - EUROPEeu, us
  4. SparkPostDegraded
    Mail delivery delays
    lasted 31mSMTP Delivery - USA, SMTP Delivery - EUROPEeu, us
Month

2026-09

2 incidents

  1. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 54mSMTP Delivery - USAeu, us
  2. SparkPostDegraded
    Health Score and Cohort data is delayed
    lasted 2h 27mSparkPost Application - USA, SparkPost Application - EUROPEeu, us
Month

2026-08

2 incidents

  1. SparkPostDegraded
    Elevated hard bounces for Apple private relay recipients (privaterelay.appleid.com)
    lasted 4h 54mMailbox Provider Service Interruption
  2. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (EU hosted only)
    lasted 1h 6mSMTP Delivery - EUROPEeu, us
Month

2026-07

1 incident

  1. SparkPostMajor outage
    Partial Outage and Delivery Issues in US-West-2 Region
    lasted 7h 30mTransmissions API - USA, SMTP API - USA, SMTP Delivery - USAus, us-west-2
Month

2026-06

1 incident

  1. SparkPostDegraded
    There is a delay effecting some mail sending in EU.
    lasted 48mSMTP Delivery - EUROPE, SMTP API - EUROPE, Transmissions API - EUROPEeu
Month

2026-05

4 incidents

  1. SparkPostDegraded
    Issue with updating payment information
    lasted 50m
  2. SparkPostDegraded
    Elevated 5xx Suppression List API error rates and latency for some SparkPost customers (US hosted only)
    lasted 1h 7mSuppression List API - USAeu, us
  3. SparkPostDegraded
    Delayed delivery for some messages in EU
    lasted 38mSMTP API - EUROPEeu
  4. SparkPostDegraded
    Intermittent email injection failures affecting a small subset of customers in Europe
    lasted 1d 2hSMTP API - EUROPEeu
Month

2026-04

1 incident

  1. SparkPostDegraded
    Increased bounce or delay rate for Apple domains
    lasted 34mSMTP Delivery - USA, SMTP Delivery - EUROPEeu, us
Month

2026-03

2 incidents

  1. SparkPostPartial outage
    Email delivery in US region affected
    lasted 4h 34mSMTP Delivery - USAus
  2. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US and EU regions)
    lasted 33mSMTP Delivery - USA, SMTP Delivery - EUROPEeu, us
Month

2026-02

5 incidents

  1. SparkPostDegraded
    Microsoft Mail Delivery Delays and Temporary Rejections
    lasted 23h 43mMailbox Provider Service Interruption
  2. SparkPostPartial outage
    Elevated 5xx Transmissions API error rates and latency for some SparkPost customers (US hosted only)
    lasted 34mTransmissions API - USAeu, us
  3. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 3h 15mSMTP Delivery - USAus
  4. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 27mSMTP Delivery - USAus
  5. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 2h 16mSMTP Delivery - USAeu, us
Month

2026-01

3 incidents

  1. SparkPostDegraded
    SSO Login Failures Due to reCAPTCHA Configuration Issue
    lasted 8d 19hSparkPost Application - USAus
  2. SparkPostDegraded
    Delays in sending emails to Microsoft domains
    lasted 12d 5hSMTP Delivery - USA, SMTP Delivery - EUROPEeu, us
  3. SparkPostDegraded
    Delays in sending emails to yahoo.com domain in EU and US regions
    lasted 0meu, us
Month

2025-12

6 incidents

  1. SparkPostDegraded
    Delay in event processing.
    lasted 3h 52mMetrics API - USA, Events API - USA, SparkPost Application - USA +1us
  2. SparkPostDegraded
    Longer than expected delays
    lasted 2hSMTP Delivery - USA, SMTP Delivery - EUROPEeu, us
  3. SparkPostDegraded
    Data processing delays
    lasted 3h 11mMetrics API - USA, Events API - USA, SparkPost Application - USA +5eu, us
  4. SparkPostDegraded
    Increased error rates and latency from our APIs
    lasted 2h 29mMetrics API - USA, Transmissions API - USA, Events API - USA +6us
  5. SparkPostDegraded
    Data Process is delayed for Sparkpost US - EU
    lasted 3h 8mMetrics API - USA, Events API - USA, SparkPost Application - USA +3eu, us
  6. SparkPostDegraded
    Data processing delays for SparkPost customers - US and EU regions
    lasted 3h 7mMetrics API - USA, SparkPost Application - USA, SparkPost Application - EUROPE +1eu, us
Month

2025-11

8 incidents

  1. SparkPostDegraded
    Yahoo Mail Sending Delays
    lasted 37mEvents API - USA, SparkPost Application - USA, Event Webhooks - USAus
  2. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 1h 1mSMTP Delivery - USAeu, us
  3. SparkPostDegraded
    High response times on the API
    lasted 1h 37mTransmissions API - USAus
  4. SparkPostDegraded
    Intermittent email api failures impacting EU customers
    lasted 1h 23mTransmissions API - EUROPEeu
  5. SparkPostDegraded
    Webhook delays for some SparkPost customers (US hosted only)
    lasted 2h 27mEvent Webhooks - USAeu, us
  6. SparkPostDegraded
    SMTP message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 1h 35mSMTP Delivery - USAeu, us
  7. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 1h 4mSMTP Delivery - USAeu, us
  8. SparkPostDegraded
    Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)
    lasted 3mSMTP Delivery - USAeu, us
Month

2025-10

3 incidents

  1. SparkPostDegraded
    Outbound message delivery is slightly delayed/slow for some SparkPost customers (US hosted only)
    lasted 1h 53mSMTP Delivery - USAeu, us
  2. SparkPostDegraded
    Transmissions API - Elevated error rate in US region
    lasted 1h 14mTransmissions API - USAus
  3. SparkPostDegraded
    Captcha error for login with password
    lasted 3h 14mSparkPost Application - USA, SparkPost Application - EUROPEeu, us