KYC & Identity Verification · reliability comparison
IDnow vs Sumsub: which is more reliable? (2026)
Sumsub is more reliable than IDnow, scoring 75.8 vs 53.9 out of 100. Over the last 90 days IDnow reported 4 incidents and Sumsub reported 5, with effective uptime of 98.46% and 99.49% respectively. Sumsub resolves incidents faster on average (15m).
Data updated Nov 1, 2026 · How we score
| Metric | IDnow | Sumsub |
|---|---|---|
| Reliability score | 53.9 | 75.8 |
| Rank (identity verification providers) | #13 | #10 |
| Uptime (90 days) | 98.46% | 99.49% |
| Incidents (90 days) | 4 | 5 |
| Partial / major outages | 1 | 1 |
| Avg time to resolve | 11h 33m | 15m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where IDnow and Sumsub differ
- Sumsub reported 25% more incidents than IDnow over the last 90 days (5 vs 4).
- Sumsub fixes problems faster: 15m on average, against 11h 33m for IDnow (46.2× quicker).
- IDnow's longest outage on record lasted 1d 8h (Aug 9, 2026); Sumsub's lasted 3d (Mar 2, 2026).
90-day uptime
IDnow
Sumsub
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent IDnow incidents
- InformationalOct 26, 2026 · resolved in 57m
Affected: VideoIdent, eID, AutoIdent, AutoIdent QES, POS, eSign +2 more
- MaintenanceOct 8, 2026 · ongoing
Affected: VideoIdent, AutoIdent, AutoIdent QES, eSign, Subscribe to SDK notifications
- Degraded performanceSep 16, 2026 · resolved in 23m
[IDCheck.io/PVID/Check'n'Sign] Degraded Performance
Affected: Check'nSign.io, IDCheck.io, IDCheck.io PVID
- Degraded performanceAug 16, 2026 · resolved in 1h 23m
Degraded Performance of eSign with QTSP
Affected: AutoIdent QES, eSign, InstantSign, eSign Wallet
- Major outageAug 9, 2026 · resolved in 1d 8h
[Advanced Signature] Service Disruption
Affected: Check'nSign.io
Recent Sumsub incidents
- InformationalOct 29, 2026 · resolved in 5h 5m
- Degraded performanceOct 12, 2026 · resolved in 30m
- Degraded performanceOct 2, 2026 · ongoing
Connectivity issues for some users in Vietnam
Affected: MobileSDK, WebSDK
- InformationalSep 15, 2026 · resolved in <1m
- Major outageAug 31, 2026 · resolved in <1m
Other identity verification providers to consider
- Stripe Identity · #1 · 99.99% uptime
- iDenfy · #2 · 99.99% uptime
- Didit · #3 · 99.95% uptime
- Onfido (Entrust) · #4 · 99.93% uptime
See the full most reliable kyc & identity verification providers ranking →