SMS & Voice APIs · reliability comparison
Bird vs Kaleyra: which is more reliable? (2026)
Kaleyra is more reliable than Bird, scoring 100.0 vs 61.7 out of 100. Over the last 90 days Bird reported 8 incidents and Kaleyra reported 0, with effective uptime of 99.47% and 100% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Bird | Kaleyra |
|---|---|---|
| Reliability score | 61.7 | 100.0 |
| Rank (SMS & voice APIs) | #6 | — |
| Uptime (90 days) | 99.47% | 100% |
| Incidents (90 days) | 8 | 0 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | 12h 38m | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Bird and Kaleyra differ
- Kaleyra reported no incidents in the last 90 days, while Bird reported 8.
- Bird's longest outage on record lasted 1d 23h (Nov 24, 2025); Kaleyra's lasted 4h 50m (Jul 1, 2026).
90-day uptime
Bird
Kaleyra
- 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 Kaleyra incidents
No incidents reported by Kaleyra in the last 90 days.
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