Email Marketing Platforms · reliability comparison
Brevo vs Mailchimp: which is more reliable? (2026)
Brevo is more reliable than Mailchimp, scoring 70.5 vs 55.1 out of 100. Over the last 90 days Brevo reported 29 incidents and Mailchimp reported 7, with effective uptime of 99.68% and 99.28% respectively. Brevo resolves incidents faster on average (1h 24m).
Data updated Nov 2, 2026 · How we score
| Metric | Brevo | Mailchimp |
|---|---|---|
| Reliability score | 70.5 | 55.1 |
| Rank (email marketing platforms) | #10 | #13 |
| Uptime (90 days) | 99.68% | 99.28% |
| Incidents (90 days) | 29 | 7 |
| Partial / major outages | 5 | 0 |
| Avg time to resolve | 1h 24m | 1d 1h |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Brevo and Mailchimp differ
- Brevo reported 4.1× as many incidents as Mailchimp over the last 90 days (29 vs 7).
- Brevo had 5 partial or major outages, compared with 0 for Mailchimp.
- Brevo fixes problems faster: 1h 24m on average, against 1d 1h for Mailchimp (18.5× quicker).
- Brevo's longest outage on record lasted 2h 2m (Oct 1, 2026); Mailchimp's lasted 3d (Oct 9, 2026).
90-day uptime
Brevo
Mailchimp
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Brevo incidents
- Degraded performanceOct 27, 2026 · resolved in 4h 21m
Affected: SMS Campaigns, Transactional emails delivery, Outbound Webhooks, Workflows, Meetings, Marketing email tracking links +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 Mailchimp incidents
- Degraded performanceOct 29, 2026 · resolved (duration not published)
Access Issues and Errors Across Mailchimp
Affected: Access Issues and Errors Across Mailchimp
- Degraded performanceOct 27, 2026 · resolved in 1d 2h
Access Issues and Errors Across Mailchimp
Affected: Access Issues and Errors Across Mailchimp
- Degraded performanceOct 9, 2026 · resolved in 10d 12h
Cropped Images Disappearing in Campaigns
Affected: Cropped Images Disappearing in Campaigns
- Degraded performanceSep 11, 2026 · resolved in 2h 37m
Delayed updates to All Contacts table
Affected: Delayed updates to All Contacts table
- Degraded performanceAug 13, 2026 · resolved (duration not published)
Campaign links resulting in "500" errors.
Affected: Campaign links resulting in "500" errors.
- Degraded performanceAug 4, 2026 · resolved (duration not published)
Affected: Campaign Click Tracking Issue
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 →