ChatGPT SearchOct 15, 2026
Several uptime-monitoring providers offer SMS alerts when a website or service goes down. The key distinction is whether SMS is built directly into the monitoring service or requires an integration with a separate alerting platform.
Providers that support SMS downtime alerts
UptimeRobot
Offers native SMS notifications, alongside voice calls, email, and mobile push alerts. A good starting point for straightforward website uptime monitoring.
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Better Stack
Combines uptime monitoring with incident management, on-call scheduling, and SMS/phone alert escalation. Worth considering for production systems or teams that need reliable incident response.