Transactional Email APIs · reliability comparison
Brevo vs Twilio SendGrid: which is more reliable? (2026)
Twilio SendGrid is more reliable than Brevo, scoring 94.8 vs 70.5 out of 100. Over the last 90 days Brevo reported 29 incidents and Twilio SendGrid reported 5, with effective uptime of 99.68% and 99.98% respectively. Twilio SendGrid resolves incidents faster on average (1h 9m).
Data updated Nov 2, 2026 · How we score
| Metric | Brevo | Twilio SendGrid |
|---|---|---|
| Reliability score | 70.5 | 94.8 |
| Rank (transactional email APIs) | #9 | #4 |
| Uptime (90 days) | 99.68% | 99.98% |
| Incidents (90 days) | 29 | 5 |
| Partial / major outages | 5 | 0 |
| Avg time to resolve | 1h 24m | 1h 9m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Brevo and Twilio SendGrid differ
- Brevo reported 5.8× as many incidents as Twilio SendGrid over the last 90 days (29 vs 5).
- Brevo had 5 partial or major outages, compared with 0 for Twilio SendGrid.
- Twilio SendGrid fixes problems faster: 1h 9m on average, against 1h 24m for Brevo.
- Brevo's longest outage on record lasted 2h 2m (Oct 1, 2026); Twilio SendGrid's lasted 2h 2m (Jul 8, 2026).
90-day uptime
Brevo
Twilio SendGrid
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Brevo incidents
- Degraded performanceOct 27, 2026 · resolved in 4h 21m
Affected: SMS Campaigns, Marketing email tracking links, Transactional emails delivery, Workflows, Contacts, WhatsApp Campaigns +4 more
- Degraded performanceOct 26, 2026 · resolved in 2h 11m
Error with doubleOptinConfirmation API
Affected: Contact Management API
- InformationalOct 22, 2026 · resolved in 1h 55m
- Degraded performanceOct 19, 2026 · resolved in 20m
Affected: Account and Settings API
- Degraded performanceOct 15, 2026 · resolved in 10m
Affected: Transactional emails delivery, Brevo Tracker, Workflows, Transactional emails tracking links
- Degraded performanceOct 15, 2026 · resolved in 12m
Delay in Processing Loyalty API request
Affected: Loyalty API
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
- Mailtrap Email Sending · #2 · 99.99% uptime
- Loops · #3 · 99.98% uptime
- Mailchimp Transactional (Mandrill) · #5 · 99.93% uptime
See the full most reliable transactional email apis ranking →