Live status & reliability report
MailerSend status, outages & reliability
MailerSend is a transactional email and SMS API from MailerLite.
Data updated Nov 1, 2026 · score recalculated
Over the last 90 days MailerSend had 100% effective uptime across 0 status page incidents.
Is MailerSend down right now?
No, MailerSend is up and running.
- MailerSend's status page reports all systems operational. Checked .
- All 3 MailerSend pages we check are responding. Checked .
MailerSend's status page hasn't posted an incident in over a year (last one: Dec 3, 2024). That can mean excellent reliability or under-reporting. Our independent monitoring will show which: until we have 30 days of our own checks MailerSend isn't ranked, and until 60 days its score is marked as medium confidence.
90-day uptime
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Key facts about MailerSend's reliability
- MailerSend's 90-day uptime of 100% is above the average for transactional email APIs (99.76%).
Score breakdown
Incidents per month
- Major outage
- Partial outage
- Degraded
- Informational
Response time
Daily average response time of MailerSend's public pages, measured by our probes.
Not enough data yet — this chart fills in as our monitoring runs.
Score trend
Daily reliability score (rolling 90-day window).
Not enough data yet — this chart fills in as our monitoring runs.
MailerSend incident history (last 90 days)
- MaintenanceSep 23, 2026 · ongoing
Affected: Bulk endpoint, SMTP, Email activity, Delivery time, Email sending API, Email analytics +2 more
- MaintenanceSep 15, 2026 · ongoing
Scheduled maintenance - Email sending affected, 5 min
Affected: SMTP, Delivery time, Email sending API, Inbound routing, Bulk endpoint
Source: MailerSend status page · last checked
Our independent monitoring
We check these public MailerSend pages every 5 minutes. An outage is recorded after two consecutive failed checks.
| Page | Last check | Uptime (30d) | Avg response |
|---|---|---|---|
| Homepage | Up | 100% | 405 ms |
| Account login | Up | 100% | 501 ms |
| Email API (unauthenticated) | Up | 100% | 141 ms |
How MailerSend compares
MailerSend status FAQ
Is MailerSend down right now?
No, MailerSend is up and running. MailerSend's status page currently reports all systems operational, and all 3 of the MailerSend pages we check every five minutes are responding. This page updates automatically when that changes.
How reliable is MailerSend?
MailerSend has a reliability score of 100.0 out of 100. Over the last 90 days it had 100% effective uptime.
How often does MailerSend have outages?
MailerSend published 0 incidents on its status page in the last 90 days (0 partial or major outages) and 0 in the past 12 months.
Does MailerSend have a status page?
Yes. MailerSend's official status page is status.mailersend.com. We read it every five minutes and keep its full incident history.