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Feature

Multi-channel alerts

Four notification channels, configurable thresholds, and severity-aware delivery so you only get paged for things that actually matter.

Channels

Configurable thresholds

Pick which "X days before expiry" milestones fire alerts. Defaults are 30, 14, 7, 3, and 1 day.

• › Free: 1-day threshold only
• › Hobby: 14, 7, 3, 1 day
• › Pro & Agency: 30, 14, 7, 3, 1 day — fully configurable

What triggers an alert

• › SSL expiry — at each configured threshold.
• › Domain registration expiry — at each configured threshold.
• › Downtime & recovery — when uptime monitoring confirms your site is down, and again when it recovers (with the outage duration). See uptime monitoring.
• › Certificate change — rekey, issuer swap, SAN drift, weakened crypto, chain regression. See change detection.
• › Self-signed certificate — fires once per 24 hours at critical severity.
• › Check failure — when Xpiry can't reach the host or the handshake fails. Includes the configured port so you can fix it without guessing.
• › Monitoring broken — after five consecutive failed checks of any type, with a 24h debounce.

Smart deduplication

Xpiry tracks recent alerts per type and won't re-fire the same one inside its debounce window — typically 24 hours. So a flapping endpoint won't fill your inbox, and a one-day-out reminder won't repeat itself every six hours. Downtime alerts are the deliberate exception: they re-fire every 30 minutes while the outage continues, until you acknowledge it or the site recovers.