Transactional Email APIs · reliability comparison
Amazon SES vs Loops: which is more reliable? (2026)
Amazon SES is more reliable than Loops, scoring 100.0 vs 95.4 out of 100. Over the last 90 days Amazon SES reported 0 incidents and Loops reported 1, with effective uptime of 100% and 99.98% respectively.
Data updated Nov 2, 2026 · How we score
| Metric | Amazon SES | Loops |
|---|---|---|
| Reliability score | 100.0 | 95.4 |
| Rank (transactional email APIs) | — | #3 |
| Uptime (90 days) | 100% | 99.98% |
| Incidents (90 days) | 0 | 1 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | 1h 34m |
| Outages we detected | 0 | 0 |
| Transparency score | Collecting data | Collecting data |
Where Amazon SES and Loops differ
- Amazon SES reported no incidents in the last 90 days, while Loops reported 1.
90-day uptime
Amazon SES
Loops
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Amazon SES incidents
No incidents reported by Amazon SES in the last 90 days.
Recent Loops incidents
- Degraded performanceSep 11, 2026 · resolved in 1h 34m
Delay in email metric processing
Affected: App
Other transactional email APIs to consider
- Mailjet · #1 · 100% uptime
- Mailtrap Email Sending · #2 · 99.99% uptime
- Twilio SendGrid · #4 · 99.98% uptime
- Mailchimp Transactional (Mandrill) · #5 · 99.93% uptime
See the full most reliable transactional email apis ranking →