SMS & Voice APIs · reliability comparison
Plivo vs Vonage Communications APIs: which is more reliable? (2026)
Plivo is more reliable than Vonage Communications APIs, scoring 99.6 vs 53.7 out of 100. Over the last 90 days Plivo reported 1 incident and Vonage Communications APIs reported 24, with effective uptime of 100% and 99.10% respectively.
Data updated Nov 2, 2026 · How we score
| Metric | Plivo | Vonage Communications APIs |
|---|---|---|
| Reliability score | 99.6 | 53.7 |
| Rank (SMS & voice APIs) | #1 | #9 |
| Uptime (90 days) | 100% | 99.10% |
| Incidents (90 days) | 1 | 24 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | 10h 44m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Plivo and Vonage Communications APIs differ
- Vonage Communications APIs reported 24× as many incidents as Plivo over the last 90 days (24 vs 1).
- Plivo's longest outage on record lasted 2h 10m (Jul 11, 2026); Vonage Communications APIs's lasted 4h 36m (Jun 12, 2026).
90-day uptime
Plivo
Vonage Communications APIs
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Plivo incidents
- InformationalAug 25, 2026 · resolved in 6h 51m
Voice Call Webhook Delivery Degradation
Affected: REST APIs and XML, PSTN Calls
Recent Vonage Communications APIs incidents
- MaintenanceNov 2, 2026 · resolved (duration not published)
[Scheduled] Japan SMS - Planned Maintenance affecting SoftBank
- MaintenanceNov 1, 2026 · resolved (duration not published)
[Scheduled] UK SMS - Planned maintenance affecting O2 network
- MaintenanceNov 1, 2026 · resolved in 3h 30m
[Scheduled] Belarus SMS - Planned Maintenance affecting Life
- MaintenanceNov 1, 2026 · resolved in 2h
[Scheduled] Philippines SMS - Planned maintenance affecting Globe Telecom
- MaintenanceNov 1, 2026 · resolved in 6h 1m
[Scheduled] Malaysia SMS - Planned maintenance affecting SMS for CelcomDigi
- MaintenanceOct 30, 2026 · resolved in 1h
[Scheduled] Japan SMS - Planned Maintenance affecting SoftBank
Other SMS & voice APIs to consider
- SignalWire · #2 · 99.94% uptime
- Telesign · #3 · 99.91% uptime
- Textmagic · #4 · 99.82% uptime
- Africa's Talking · #5 · 99.80% uptime