SMS & Voice APIs · reliability comparison

SignalWire vs Sinch: which is more reliable? (2026)

SignalWire is more reliable than Sinch, scoring 92.1 vs 61.1 out of 100. Over the last 90 days SignalWire reported 3 incidents and Sinch reported 20, with effective uptime of 99.94% and 99.40% respectively. SignalWire resolves incidents faster on average (47m).

Data updated Nov 2, 2026 · How we score

SignalWire

92.1/100

Operational

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Sinch

61.1/100

Operational

Visit Sinch ↗
VS
MetricSignalWireSinch
Reliability score92.161.1
Rank (SMS & voice APIs)#2#8
Uptime (90 days)99.94%99.40%
Incidents (90 days)320
Partial / major outages33
Avg time to resolve47m4h 51m
Outages we detected00
Transparency score100/100100/100

Where SignalWire and Sinch differ

  • Sinch reported 6.7× as many incidents as SignalWire over the last 90 days (20 vs 3).
  • SignalWire fixes problems faster: 47m on average, against 4h 51m for Sinch (6.1× quicker).
  • SignalWire's longest outage on record lasted 1h 59m (Aug 14, 2026); Sinch's lasted 5h 56m (Jun 9, 2026).

90-day uptime

SignalWire

Aug 5, 2026 – Aug 13, 2026: no incidentsAug 14, 2026: 95.88% uptime, 1 incident (Partial outage)Aug 15, 2026 – Oct 4, 2026: no incidentsOct 5, 2026: 99.51% uptime, 1 incident (Partial outage)Oct 6, 2026 – Oct 22, 2026: no incidentsOct 23, 2026: 99.66% uptime, 1 incident (Partial outage)Oct 24, 2026 – Nov 2, 2026: no incidents
90 days ago99.945% average daily uptimeToday

Sinch

Aug 5, 2026 – Aug 12, 2026: no incidentsAug 13, 2026: 99.02% uptime, 3 incidents (Degraded performance)Aug 14, 2026 – Aug 15, 2026: no incidentsAug 16, 2026: 97.94% uptime, 1 incident (Degraded performance)Aug 17, 2026: 90.89% uptime, 1 incident (Degraded performance)Aug 18, 2026 – Aug 23, 2026: no incidentsAug 24, 2026: 98.30% uptime, 1 incident (Degraded performance)Aug 25, 2026: no incidentsAug 26, 2026: 99.23% uptime, 1 incident (Degraded performance)Aug 27, 2026: 93.07% uptime, 2 incidents (Degraded performance)Aug 28, 2026 – Sep 1, 2026: no incidentsSep 2, 2026: 99.29% uptime, 1 incident (Degraded performance)Sep 3, 2026: 98.57% uptime, 1 incident (Degraded performance)Sep 4, 2026: 90.90% uptime, 2 incidents (Degraded performance)Sep 5, 2026 – Sep 8, 2026: no incidentsSep 9, 2026: 98.38% uptime, 3 incidents (Degraded performance)Sep 10, 2026: 99.79% uptime, 1 incident (Partial outage)Sep 11, 2026 – Sep 21, 2026: no incidentsSep 22, 2026: 87.74% uptime, 1 incident (Major outage)Sep 23, 2026 – Sep 30, 2026: no incidentsOct 1, 2026: 98.59% uptime, 2 incidents (Degraded performance)Oct 2, 2026 – Oct 25, 2026: no incidentsOct 26, 2026: 94.61% uptime, 2 incidents (Partial outage)Oct 27, 2026 – Nov 2, 2026: no incidents
90 days ago99.404% average daily uptimeToday

Recent SignalWire incidents

Full SignalWire reliability report →

Recent Sinch incidents

Full Sinch reliability report →

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