SMS & Voice APIs · reliability comparison
SignalWire vs Telnyx: which is more reliable? (2026)
SignalWire is more reliable than Telnyx, scoring 92.1 vs 28.6 out of 100. Over the last 90 days SignalWire reported 3 incidents and Telnyx reported 34, with effective uptime of 99.94% and 92.61% respectively. SignalWire resolves incidents faster on average (47m).
Data updated Nov 2, 2026 · How we score
| Metric | SignalWire | Telnyx |
|---|---|---|
| Reliability score | 92.1 | 28.6 |
| Rank (SMS & voice APIs) | #2 | #12 |
| Uptime (90 days) | 99.94% | 92.61% |
| Incidents (90 days) | 3 | 34 |
| Partial / major outages | 3 | 10 |
| Avg time to resolve | 47m | 16h 24m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where SignalWire and Telnyx differ
- Telnyx reported 11.3× as many incidents as SignalWire over the last 90 days (34 vs 3).
- Telnyx had 10 partial or major outages, compared with 3 for SignalWire.
- SignalWire fixes problems faster: 47m on average, against 16h 24m for Telnyx (20.8× quicker).
- SignalWire's longest outage on record lasted 1h 59m (Aug 14, 2026); Telnyx's lasted 3d (Aug 15, 2026).
90-day uptime
SignalWire
Telnyx
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent SignalWire incidents
- Partial outageOct 23, 2026 · resolved in 10m
Dashboard analytics unavailable
Affected: Website
- Partial outageOct 5, 2026 · resolved in 14m
Resolved: underlying infrastructure issue resulted in an interruption to all services.
Affected: AI, APIs, MMS, SIP Connectivity, SMS, Video and Conferencing +1 more
- Partial outageAug 14, 2026 · resolved in 1h 59m
Degraded: outbound calls and fax
Affected: APIs
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: Melbourne, Australia, Frankfurt, Germany, Toronto, Canada, Chennai, India, Mumbai, India, Chicago, IL +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: Europe, Canada, US, Australia, Asia (Beta), Middle East
- Degraded performanceOct 27, 2026 · resolved in 2h 33m
Affected: NORAM
Other SMS & voice APIs to consider
- Plivo · #1 · 100% uptime
- Telesign · #3 · 99.91% uptime
- Textmagic · #4 · 99.82% uptime
- Africa's Talking · #5 · 99.80% uptime