SMS & Voice APIs · reliability comparison
ClickSend vs Vonage Communications APIs: which is more reliable? (2026)
ClickSend is more reliable than Vonage Communications APIs, scoring 100.0 vs 53.7 out of 100. Over the last 90 days ClickSend reported 0 incidents and Vonage Communications APIs reported 24, with effective uptime of 100% and 99.10% respectively.
Data updated Nov 2, 2026 · How we score
| Metric | ClickSend | Vonage Communications APIs |
|---|---|---|
| Reliability score | 100.0 | 53.7 |
| Rank (SMS & voice APIs) | — | #9 |
| Uptime (90 days) | 100% | 99.10% |
| Incidents (90 days) | 0 | 24 |
| Partial / major outages | 0 | 0 |
| Avg time to resolve | — | 10h 44m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where ClickSend and Vonage Communications APIs differ
- ClickSend reported no incidents in the last 90 days, while Vonage Communications APIs reported 24.
- ClickSend's longest outage on record lasted 22h 49m (Dec 8, 2025); Vonage Communications APIs's lasted 4h 36m (Jun 12, 2026).
90-day uptime
ClickSend
Vonage Communications APIs
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent ClickSend incidents
No incidents reported by ClickSend in the last 90 days.
Recent Vonage Communications APIs incidents
- 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
- MaintenanceOct 30, 2026 · resolved in 5h
[Scheduled] USA SMS - Planned Maintenance affecting Verizon network
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