SMS & Voice APIs · reliability comparison

AWS End User Messaging vs Vonage Communications APIs: which is more reliable? (2026)

AWS End User Messaging is more reliable than Vonage Communications APIs, scoring 100.0 vs 53.7 out of 100. Over the last 90 days AWS End User Messaging reported 0 incidents and Vonage Communications APIs reported 24, with effective uptime of 100% and 99.10% respectively.

Data updated Nov 1, 2026 · How we score

MetricAWS End User MessagingVonage Communications APIs
Reliability score100.053.7
Rank (SMS & voice APIs)—#8
Uptime (90 days)100%99.10%
Incidents (90 days)024
Partial / major outages00
Avg time to resolve—10h 44m
Outages we detected00
Transparency score100/100100/100

Where AWS End User Messaging and Vonage Communications APIs differ

  • AWS End User Messaging reported no incidents in the last 90 days, while Vonage Communications APIs reported 24.

90-day uptime

AWS End User Messaging

Aug 4, 2026 – Nov 1, 2026: no incidents
90 days ago100% average daily uptimeToday

Vonage Communications APIs

Aug 4, 2026: no incidentsAug 5, 2026: 97.77% uptime, 1 incident (Degraded performance)Aug 6, 2026 – Aug 28, 2026: no incidentsAug 29, 2026: 90.46% uptime, 1 incident (Degraded performance)Aug 30, 2026: 85.00% uptime, 1 incident (Degraded performance)Aug 31, 2026: 93.46% uptime, 1 incident (Degraded performance)Sep 1, 2026 – Sep 3, 2026: no incidentsSep 4, 2026: 96.89% uptime, 1 incident (Degraded performance)Sep 5, 2026 – Sep 6, 2026: no incidentsSep 7, 2026: 99.03% uptime, 1 incident (Degraded performance)Sep 8, 2026 – Sep 20, 2026: no incidentsSep 21, 2026: 94.19% uptime, 2 incidents (Degraded performance)Sep 22, 2026: 86.94% uptime, 1 incident (Degraded performance)Sep 23, 2026: 92.27% uptime, 2 incidents (Degraded performance)Sep 24, 2026 – Sep 27, 2026: no incidentsSep 28, 2026: 99.36% uptime, 1 incident (Degraded performance)Sep 29, 2026: 99.30% uptime, 1 incident (Degraded performance)Sep 30, 2026: 97.09% uptime, 3 incidents (Degraded performance)Oct 1, 2026 – Oct 12, 2026: no incidentsOct 13, 2026: 91.07% uptime, 2 incidents (Degraded performance)Oct 14, 2026 – Oct 18, 2026: no incidentsOct 19, 2026: 96.77% uptime, 1 incident (Degraded performance)Oct 20, 2026 – Nov 1, 2026: no incidents
90 days ago99.107% average daily uptimeToday

Recent AWS End User Messaging incidents

No incidents reported by AWS End User Messaging in the last 90 days.

Full AWS End User Messaging reliability report →

Recent Vonage Communications APIs incidents

Full Vonage Communications APIs reliability report →

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