Outage report · Major outage
Mailjet outage on Sep 4, 2025
Login issues with Mailjet Application and Intermittent Errors on REST API
What happened
Mailjet reported a major outage starting Sep 4, 2025, 06:54 UTC, affecting Mailjet App, REST API, Form Builder, Mailjet Embedded. It was marked resolved at Sep 4, 2025, 12:30 UTC.
- The incident lasted 5h 36m from first report to resolution.
- It was the 3rd longest of 6 significant outages Mailjet reported in the 12 months up to it.
- Mailjet had reported 1 other partial or major outage in the 90 days before it.
- 3 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Mailjet
This incident has been resolved.
What our independent monitoring saw
Our independent monitoring of Mailjet started after this incident, so this report is based on Mailjet's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Mailjet's overall reliability
Mailjet has a reliability score of 99.6/100, with 100% effective uptime and 1 incidents over the last 90 days.
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