SMS & Voice APIs · reliability comparison
Telesign vs Telnyx: which is more reliable? (2026)
Telesign is more reliable than Telnyx, scoring 89.4 vs 28.6 out of 100. Over the last 90 days Telesign reported 8 incidents and Telnyx reported 34, with effective uptime of 99.91% and 92.61% respectively. Telesign resolves incidents faster on average (1h 27m).
Data updated Nov 1, 2026 · How we score
| Metric | Telesign | Telnyx |
|---|---|---|
| Reliability score | 89.4 | 28.6 |
| Rank (SMS & voice APIs) | #2 | #11 |
| Uptime (90 days) | 99.91% | 92.61% |
| Incidents (90 days) | 8 | 34 |
| Partial / major outages | 1 | 10 |
| Avg time to resolve | 1h 27m | 16h 24m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Telesign and Telnyx differ
- Telnyx reported 4.3× as many incidents as Telesign over the last 90 days (34 vs 8).
- Telnyx had 10 partial or major outages, compared with 1 for Telesign.
- Telesign fixes problems faster: 1h 27m on average, against 16h 24m for Telnyx (11.3× quicker).
- Telesign's longest outage on record lasted 3h 36m (Oct 3, 2026); Telnyx's lasted 3d (Aug 15, 2026).
90-day uptime
Telesign
Telnyx
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Telesign incidents
- InformationalOct 22, 2026 · resolved in 4m
Affected: Verify API
- InformationalOct 21, 2026 · resolved in <1m
Affected: Voice, Voice verify
- InformationalOct 17, 2026 · resolved in <1m
Affected: Phone ID, SMS, SMS Verify
- Degraded performanceOct 16, 2026 · resolved in 22m
Affected: Intelligence, Phone ID, Phone ID Contact, Phone ID Live, Phone ID Number deactivation, Phone ID Porting status +3 more
- MaintenanceOct 15, 2026 · resolved (duration not published)
[Scheduled] Regulatory Update 📢 Australia and ACMA's SMS Sender ID Register - May 2026
- InformationalOct 14, 2026 · resolved in 28m
Affected: EMEA - All countries, APAC - All countries, NA & LATAM - All countries
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, Chennai, India, Dubai, UAE , Frankfurt, Germany, Toronto, Canada, Mumbai, India +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: Australia, Middle East, US, Europe, Australia, Middle East +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
- Textmagic · #3 · 99.82% uptime
- Africa's Talking · #4 · 99.80% uptime
- Infobip · #5 · 99.73% uptime