SMS & Voice APIs · reliability comparison
Bird vs Telesign: which is more reliable? (2026)
Telesign is more reliable than Bird, scoring 89.4 vs 61.7 out of 100. Over the last 90 days Bird reported 8 incidents and Telesign reported 8, with effective uptime of 99.47% and 99.91% respectively. Telesign resolves incidents faster on average (1h 27m).
Data updated Nov 1, 2026 · How we score
| Metric | Bird | Telesign |
|---|---|---|
| Reliability score | 61.7 | 89.4 |
| Rank (SMS & voice APIs) | #6 | #2 |
| Uptime (90 days) | 99.47% | 99.91% |
| Incidents (90 days) | 8 | 8 |
| Partial / major outages | 0 | 1 |
| Avg time to resolve | 12h 38m | 1h 27m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Bird and Telesign differ
- Telesign had 1 partial or major outage, compared with 0 for Bird.
- Telesign fixes problems faster: 1h 27m on average, against 12h 38m for Bird (8.7× quicker).
- Bird's longest outage on record lasted 1d 23h (Nov 24, 2025); Telesign's lasted 3h 36m (Oct 3, 2026).
90-day uptime
Bird
Telesign
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Bird incidents
- Degraded performanceOct 23, 2026 · resolved in 28m
Affected: Bird Platform
- Degraded performanceOct 5, 2026 · resolved in 53m
Bird.com Platform: Increased 5xx errors and delivery deliays
Affected: Bird Platform
- Degraded performanceOct 4, 2026 · resolved in 47m
Increased delivery latency for SMS service
Affected: SMS - API, SMS - SMPP - EU - SMPP01, SMS - SMPP - EU - SMPP02, SMS - SMPP - EU - SMPP03, Channels - Europe, SMS - API V1 +3 more
- Degraded performanceSep 26, 2026 · resolved in 19m
Increased Error rates on USA Bird Platform API
Affected: Bird Platform
- InformationalSep 18, 2026 · resolved in 1h 29m
Elevated processing delays — US region
Affected: Analytics - US (West), Campaigns - US (West), Channels - US (West), Connectors - US (West), Contacts - US (West), Flows - US (West) +2 more
- Degraded performanceSep 17, 2026 · resolved in 1h 22m
Elevated API errors and voice call setup failures (US)
Affected: Bird Platform
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
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