Marketing Automation & CDPs · reliability comparison
Census vs Iterable: which is more reliable? (2026)
Iterable is more reliable than Census, scoring 93.7 vs 78.8 out of 100. Over the last 90 days Census reported 5 incidents and Iterable reported 4, with effective uptime of 99.72% and 99.96% respectively. Iterable resolves incidents faster on average (1h 12m).
Data updated Nov 1, 2026 · How we score
| Metric | Census | Iterable |
|---|---|---|
| Reliability score | 78.8 | 93.7 |
| Rank (marketing automation platforms) | #7 | #3 |
| Uptime (90 days) | 99.72% | 99.96% |
| Incidents (90 days) | 5 | 4 |
| Partial / major outages | 5 | 0 |
| Avg time to resolve | 2h 13m | 1h 12m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Census and Iterable differ
- Census reported 25% more incidents than Iterable over the last 90 days (5 vs 4).
- Census had 5 partial or major outages, compared with 0 for Iterable.
- Iterable fixes problems faster: 1h 12m on average, against 2h 13m for Census.
- Census's longest outage on record lasted 5h 7m (Jan 5, 2026); Iterable's lasted 40m (Jul 16, 2026).
90-day uptime
Census
Iterable
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Census incidents
- Partial outageOct 1, 2026 · resolved in 3h 16m
Sync Outage in azure-eastus regionofficial update ↗
Affected: Sync Engine
- Partial outageSep 16, 2026 · resolved in 3h 51m
LinkedIn Sync Failures - server responding with status 426official update ↗
Affected: Census Sync Management UI
- Major outageSep 9, 2026 · resolved in 52m
App failing to loadofficial update ↗
Affected: Census Sync Management UI
- Partial outageSep 8, 2026 · resolved in 2h 2m
Degraded UI performanceofficial update ↗
Affected: Census Sync Management UI
- Partial outageAug 26, 2026 · resolved in 1h 2m
Facebook (Meta) Sync Failures - API access disrupted
Affected: Census Sync Management UI, Sync Engine
Recent Iterable incidents
- Degraded performanceOct 28, 2026 · resolved in 29m
Some customers using Sparkpost (US hosted) for email may be seeing delayed or slow sends
Affected: Global Campaign Sends
- Degraded performanceSep 22, 2026 · resolved in 56m
Timeouts on User Update API Endpoints
Affected: Global API Success
- Degraded performanceSep 10, 2026 · resolved in 2h 23m
EU platform slowness and gateway errors
Affected: Global Web Application, Global API Success, Global Journey Processing
- Degraded performanceSep 1, 2026 · resolved in 58m
Subset of customers using Twilio for SMS seeing a portion of messages getting droppped
Affected: Global Campaign Sends
Other marketing automation platforms to consider
- HubSpot Marketing Hub · #1 · 100% uptime
- Customer.io · #2 · 99.99% uptime
- RudderStack · #4 · 99.94% uptime
- Hightouch · #5 · 99.92% uptime
See the full most reliable marketing automation & customer data platforms ranking →