Reliability Showdown

Slack vs Twilio Reliability Comparison

Slack

✅ Operational

All Systems Operational

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Twilio

🟡 Degraded

Engineers are looking into an issue: Our monitoring systems have detected a potential issue with Shaken/Stir validation for a subset of inbound calls. Our engineers have been alerted and are looking into. We will provide an update when we have more details.

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Reliability KPIs

Metric	Slack	Twilio
90-Day Uptime %	99.500%	99.667% 🏆
MTTR	62m	61m 🏆
Incidents/Mo	6.7	6.7

The Verdict

Based on historical logs from the past 90 days, Twilio is statistically more reliable, achieving an uptime of 99.667% compared to Slack's 99.500%.