Email Marketing Platforms · reliability comparison
ActiveCampaign vs Mailchimp: which is more reliable? (2026)
Mailchimp is more reliable than ActiveCampaign, scoring 55.1 vs 49.1 out of 100. Over the last 90 days ActiveCampaign reported 9 incidents and Mailchimp reported 7, with effective uptime of 98.11% and 99.28% respectively. ActiveCampaign resolves incidents faster on average (5h 36m).
Data updated Nov 1, 2026 · How we score
| Metric | ActiveCampaign | Mailchimp |
|---|---|---|
| Reliability score | 49.1 | 55.1 |
| Rank (email marketing platforms) | #14 | #13 |
| Uptime (90 days) | 98.11% | 99.28% |
| Incidents (90 days) | 9 | 7 |
| Partial / major outages | 7 | 0 |
| Avg time to resolve | 5h 36m | 1d 1h |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where ActiveCampaign and Mailchimp differ
- ActiveCampaign reported 29% more incidents than Mailchimp over the last 90 days (9 vs 7).
- ActiveCampaign had 7 partial or major outages, compared with 0 for Mailchimp.
- ActiveCampaign fixes problems faster: 5h 36m on average, against 1d 1h for Mailchimp (4.6× quicker).
- ActiveCampaign's longest outage on record lasted 3d (Feb 10, 2026); Mailchimp's lasted 3d (Oct 9, 2026).
90-day uptime
ActiveCampaign
Mailchimp
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent ActiveCampaign incidents
- Degraded performanceOct 27, 2026 · resolved in 35m
Delayed Processing for Imports, Exports, Bulk Actions, and Campaign sending.
Affected: Campaigns
- Major outageOct 22, 2026 · resolved in 8h 39m
System outage - 10/22/2026official update ↗
Affected: API Availability, Email, API Availability, API Availability, SMS, ARC & ARC Services +36 more
- InformationalOct 20, 2026 · resolved in 13m
- Partial outageOct 8, 2026 · resolved in 3h 23m
Whatsapp message responses delayedofficial update ↗
Affected: WhatsApp
- Major outageSep 28, 2026 · resolved in 3h 50m
Transactional Email Failuresofficial update ↗
Affected: Email
- Partial outageSep 14, 2026 · resolved in 26m
Bulk Edit of contacts is not applying filters.
Affected: CRM, CRM, CRM
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 →