SMS & Voice APIs · reliability comparison
Sinch vs Telnyx: which is more reliable? (2026)
Sinch is more reliable than Telnyx, scoring 61.1 vs 28.6 out of 100. Over the last 90 days Sinch reported 20 incidents and Telnyx reported 34, with effective uptime of 99.40% and 92.61% respectively. Sinch resolves incidents faster on average (4h 51m).
Data updated Nov 1, 2026 · How we score
| Metric | Sinch | Telnyx |
|---|---|---|
| Reliability score | 61.1 | 28.6 |
| Rank (SMS & voice APIs) | #7 | #11 |
| Uptime (90 days) | 99.40% | 92.61% |
| Incidents (90 days) | 20 | 34 |
| Partial / major outages | 3 | 10 |
| Avg time to resolve | 4h 51m | 16h 24m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Sinch and Telnyx differ
- Telnyx reported 70% more incidents than Sinch over the last 90 days (34 vs 20).
- Telnyx had 10 partial or major outages, compared with 3 for Sinch.
- Sinch fixes problems faster: 4h 51m on average, against 16h 24m for Telnyx (3.4× quicker).
- Sinch's longest outage on record lasted 5h 56m (Jun 9, 2026); Telnyx's lasted 3d (Aug 15, 2026).
90-day uptime
Sinch
Telnyx
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Sinch incidents
- MaintenanceOct 29, 2026 · resolved in 15m
- MaintenanceOct 29, 2026 · resolved in 4h
- MaintenanceOct 27, 2026 · resolved in 2h 1m
- MaintenanceOct 26, 2026 · resolved (duration not published)
- MaintenanceOct 26, 2026 · resolved in 1h
- Partial outageOct 26, 2026 · resolved in 2h 32m
Service Degradation - Customer Dashboard and Account Balanceofficial update ↗
Affected: Payment, SMS - APAC, SMS Administration, SMS - EMEA, Numbers Administration, SMS - LATAM +10 more
Recent Telnyx incidents
- Degraded performanceOct 30, 2026 · resolved in 2h 14m
Affected: API V2, API V1
- MaintenanceOct 30, 2026 · ongoing
Voice Services Update - All Regions
Affected: Chicago, IL, Ashburn, VA, Dubai, UAE , Amsterdam, Netherlands, Sydney, Australia, Toronto, Canada +7 more
- Degraded performanceOct 29, 2026 · resolved in 25m
Delays with Messaging Webhooks, Mission Control Number and Porting ordering/configurations
Affected: API V2, US East Region, US Central Region, US West Region
- MaintenanceOct 29, 2026 · ongoing
Scheduled maintenance for Programmable Voice - Voice API/Programmable Voice - TeXML EU/US/APAC/UAE
Affected: Middle East, US, Europe, Australia, Middle East, US +2 more
- Degraded performanceOct 28, 2026 · resolved in <1m
Affected: Australia, Asia (Beta), Middle East, Europe, Canada, US
- Degraded performanceOct 27, 2026 · resolved in 2h 33m
Affected: NORAM
Other SMS & voice APIs to consider
- Plivo · #1 · 100% uptime
- Telesign · #2 · 99.91% uptime
- Textmagic · #3 · 99.82% uptime
- Africa's Talking · #4 · 99.80% uptime