Email Marketing Platforms · reliability comparison
Brevo vs Constant Contact: which is more reliable? (2026)
Constant Contact is more reliable than Brevo, scoring 90.6 vs 70.5 out of 100. Over the last 90 days Brevo reported 29 incidents and Constant Contact reported 4, with effective uptime of 99.68% and 99.92% respectively. Brevo resolves incidents faster on average (1h 24m).
Data updated Nov 2, 2026 · How we score
| Metric | Brevo | Constant Contact |
|---|---|---|
| Reliability score | 70.5 | 90.6 |
| Rank (email marketing platforms) | #10 | #8 |
| Uptime (90 days) | 99.68% | 99.92% |
| Incidents (90 days) | 29 | 4 |
| Partial / major outages | 5 | 1 |
| Avg time to resolve | 1h 24m | 1h 41m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Brevo and Constant Contact differ
- Brevo reported 7.3× as many incidents as Constant Contact over the last 90 days (29 vs 4).
- Brevo had 5 partial or major outages, compared with 1 for Constant Contact.
- Brevo fixes problems faster: 1h 24m on average, against 1h 41m for Constant Contact.
- Brevo's longest outage on record lasted 2h 2m (Oct 1, 2026); Constant Contact's lasted 1h 45m (Sep 2, 2026).
90-day uptime
Brevo
Constant Contact
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Brevo incidents
- Degraded performanceOct 27, 2026 · resolved in 4h 21m
Affected: Transactional emails delivery, Outbound Webhooks, Workflows, Contacts, WhatsApp Campaigns, Meetings +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 Constant Contact incidents
- Degraded performanceOct 1, 2026 · resolved in 57m
Delays in email campaign sending
Affected: Email Campaigns
- Degraded performanceSep 16, 2026 · resolved in 30m
Slow website navigation and email delivery
Affected: Email Campaigns
- Degraded performanceSep 14, 2026 · resolved in 3h 33m
Unable to view partner organization reporting
Affected: Reporting
- Partial outageSep 2, 2026 · resolved in 1h 45m
Affected: Login
Other email marketing platforms to consider
- Drip · #1 · 100% uptime
- MailerLite · #2 · 100% uptime
- Omnisend · #3 · 100% uptime
- AWeber · #4 · 100% uptime
See the full most reliable email marketing platforms ranking →