SMS & Voice APIs · reliability comparison
Telnyx vs Vonage Communications APIs: which is more reliable? (2026)
Vonage Communications APIs is more reliable than Telnyx, scoring 53.7 vs 28.6 out of 100. Over the last 90 days Telnyx reported 34 incidents and Vonage Communications APIs reported 24, with effective uptime of 92.61% and 99.10% respectively. Vonage Communications APIs resolves incidents faster on average (10h 44m).
Data updated Nov 2, 2026 · How we score
| Metric | Telnyx | Vonage Communications APIs |
|---|---|---|
| Reliability score | 28.6 | 53.7 |
| Rank (SMS & voice APIs) | #12 | #9 |
| Uptime (90 days) | 92.61% | 99.10% |
| Incidents (90 days) | 34 | 24 |
| Partial / major outages | 10 | 0 |
| Avg time to resolve | 16h 24m | 10h 44m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Telnyx and Vonage Communications APIs differ
- Telnyx reported 42% more incidents than Vonage Communications APIs over the last 90 days (34 vs 24).
- Telnyx had 10 partial or major outages, compared with 0 for Vonage Communications APIs.
- Vonage Communications APIs fixes problems faster: 10h 44m on average, against 16h 24m for Telnyx.
- Telnyx's longest outage on record lasted 3d (Aug 15, 2026); Vonage Communications APIs's lasted 4h 36m (Jun 12, 2026).
90-day uptime
Telnyx
Vonage Communications APIs
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
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: Chennai, India, Chicago, IL, Amsterdam, Netherlands, Sydney, Australia, Melbourne, Australia, Frankfurt, Germany +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: US, Europe, Australia, Middle East, US, Europe +2 more
- Degraded performanceOct 28, 2026 · resolved in <1m
Affected: Asia (Beta), Middle East, Europe, Canada, US, Australia
- Degraded performanceOct 27, 2026 · resolved in 2h 33m
Affected: NORAM
Recent Vonage Communications APIs incidents
- MaintenanceNov 2, 2026 · resolved in 1h
[Scheduled] Japan SMS - Planned Maintenance affecting SoftBank
- MaintenanceNov 1, 2026 · resolved in 7h 30m
[Scheduled] UK SMS - Planned maintenance affecting O2 network
- MaintenanceNov 1, 2026 · resolved in 3h 30m
[Scheduled] Belarus SMS - Planned Maintenance affecting Life
- MaintenanceNov 1, 2026 · resolved in 2h
[Scheduled] Philippines SMS - Planned maintenance affecting Globe Telecom
- MaintenanceNov 1, 2026 · resolved in 6h 1m
[Scheduled] Malaysia SMS - Planned maintenance affecting SMS for CelcomDigi
- MaintenanceOct 30, 2026 · resolved in 1h
[Scheduled] Japan SMS - Planned Maintenance affecting SoftBank
Other SMS & voice APIs to consider
- Plivo · #1 · 100% uptime
- SignalWire · #2 · 99.94% uptime
- Telesign · #3 · 99.91% uptime
- Textmagic · #4 · 99.82% uptime