SMS & Voice APIs · reliability comparison
AWS End User Messaging vs Kaleyra: which is more reliable? (2026)
AWS End User Messaging and Kaleyra are effectively tied on reliability (100.0 vs 100.0). Over the last 90 days AWS End User Messaging reported 0 incidents and Kaleyra reported 0, with effective uptime of 100% and 100% respectively.
Data updated Nov 1, 2026 · How we score
VS
| Metric | AWS End User Messaging | Kaleyra |
|---|---|---|
| Reliability score | 100.0 | 100.0 |
| Rank (SMS & voice APIs) | — | — |
| Uptime (90 days) | 100% | 100% |
| Incidents (90 days) | 0 | 0 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
90-day uptime
AWS End User Messaging
Kaleyra
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent AWS End User Messaging incidents
No incidents reported by AWS End User Messaging in the last 90 days.
Recent Kaleyra incidents
No incidents reported by Kaleyra in the last 90 days.
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