Marketing Automation & CDPs · reliability comparison
Customer.io vs Hightouch: which is more reliable? (2026)
Customer.io is more reliable than Hightouch, scoring 96.2 vs 89.2 out of 100. Over the last 90 days Customer.io reported 5 incidents and Hightouch reported 9, with effective uptime of 99.99% and 99.92% respectively. Customer.io resolves incidents faster on average (19m).
Data updated Nov 1, 2026 · How we score
| Metric | Customer.io | Hightouch |
|---|---|---|
| Reliability score | 96.2 | 89.2 |
| Rank (marketing automation platforms) | #2 | #5 |
| Uptime (90 days) | 99.99% | 99.92% |
| Incidents (90 days) | 5 | 9 |
| Partial / major outages | 0 | 1 |
| Avg time to resolve | 19m | 1h 14m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Customer.io and Hightouch differ
- Hightouch reported 80% more incidents than Customer.io over the last 90 days (9 vs 5).
- Hightouch had 1 partial or major outage, compared with 0 for Customer.io.
- Customer.io fixes problems faster: 19m on average, against 1h 14m for Hightouch (3.9× quicker).
- Customer.io's longest outage on record lasted 2h 42m (Jun 13, 2026); Hightouch's lasted 1h 14m (May 8, 2026).
90-day uptime
Customer.io
Hightouch
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Customer.io incidents
- Degraded performanceOct 27, 2026 · resolved in 25m
Customer.io UI is currently unavailable for some customers
Affected: Management Interface
- Degraded performanceSep 19, 2026 · resolved in 27m
Some US customers may experience delays in message sending
Affected: Message Sending
- InformationalSep 4, 2026 · resolved in 1h 19m
Reduced Deliverability to Microsoft-Hosted Email Addresses
Affected: Message Sending
- Degraded performanceSep 3, 2026 · resolved in 5m
- InformationalAug 5, 2026 · resolved in 26m
Customer.io UI is inaccessible
Affected: Management Interface
Recent Hightouch incidents
- Degraded performanceSep 29, 2026 · resolved in 1h 9m
Slow Application Loading and Intermittent UI Errors
Affected: Reverse ETL, Customer Studio, Intelligence
- InformationalSep 24, 2026 · resolved in <1m
- Degraded performanceSep 21, 2026 · resolved in 1h 26m
Slow Application Loading and Intermittent UI Errors
Affected: Reverse ETL, Customer Studio, Intelligence
- InformationalSep 18, 2026 · resolved in <1m
- Degraded performanceSep 4, 2026 · resolved in 53m
Affected: AWS ap-south-1 (Mumbai), AWS eu-west-1 (Ireland), AWS us-east-1 (N. Virginia), GCP us-east4 (N. Virginia), GCP europe-west1 (Belgium), Azure eastus (Virginia)
- Partial outageAug 19, 2026 · resolved in 1h 13m
Affected: Reverse ETL, Customer Studio, Intelligence
Other marketing automation platforms to consider
- HubSpot Marketing Hub · #1 · 100% uptime
- Iterable · #3 · 99.96% uptime
- RudderStack · #4 · 99.94% uptime
- Optimove · #6 · 99.88% uptime
See the full most reliable marketing automation & customer data platforms ranking →