Transactional Email APIs · reliability comparison
Mailtrap Email Sending vs Twilio SendGrid: which is more reliable? (2026)
Mailtrap Email Sending is more reliable than Twilio SendGrid, scoring 98.2 vs 94.8 out of 100. Over the last 90 days Mailtrap Email Sending reported 2 incidents and Twilio SendGrid reported 5, with effective uptime of 99.99% and 99.98% respectively. Mailtrap Email Sending resolves incidents faster on average (6m).
Data updated Nov 1, 2026 · How we score
VS
| Metric | Mailtrap Email Sending | Twilio SendGrid |
|---|---|---|
| Reliability score | 98.2 | 94.8 |
| Rank (transactional email APIs) | #2 | #4 |
| Uptime (90 days) | 99.99% | 99.98% |
| Incidents (90 days) | 2 | 5 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | 6m | 1h 9m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Mailtrap Email Sending and Twilio SendGrid differ
- Twilio SendGrid reported 2.5× as many incidents as Mailtrap Email Sending over the last 90 days (5 vs 2).
- Mailtrap Email Sending fixes problems faster: 6m on average, against 1h 9m for Twilio SendGrid (11.7× quicker).
- Mailtrap Email Sending's longest incident on record lasted 2h 57m (Nov 18, 2025); Twilio SendGrid's lasted 2h 2m (Jul 8, 2026).
90-day uptime
Mailtrap Email Sending
Twilio SendGrid
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Mailtrap Email Sending incidents
- MaintenanceOct 8, 2026 · resolved in 38m
- Degraded performanceSep 16, 2026 · resolved in 6m
- Degraded performanceSep 16, 2026 · resolved in 6m
Recent Twilio SendGrid incidents
- MaintenanceOct 29, 2026 · resolved in 1h 26m
[Scheduled] Sendgrid Maintenance Impacting Delivery and Account Configuration
- Degraded performanceOct 24, 2026 · resolved in 50m
Azure Marketplace SendGrid Customers Experiencing Account Management Issues
- InformationalOct 15, 2026 · resolved in <1m
- InformationalOct 2, 2026 · resolved in <1m
- MaintenanceSep 4, 2026 · resolved in 7h 16m
Multiple delivery failures when sending emails to Microsoft or MS based recipients
- MaintenanceAug 24, 2026 · resolved in 22d
Other transactional email APIs to consider
- Mailjet · #1 · 100% uptime
- Loops · #3 · 99.98% uptime
- SparkPost (Bird) · #5 · 99.90% uptime
- Mailgun · #6 · 99.84% uptime
See the full most reliable transactional email apis ranking →