Silent Fail vs SSL Expiration Reminder

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Silent Fail compared with SSL Expiration Reminder
Detail	Silent Fail	SSL Expiration Reminder
What it does	A dead-man's switch for n8n, Make and Zapier that alerts you when your workflows stop running	Automated SSL certificate expiration alerts via email, Telegram, Slack or webhook
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	FR
Pricing model	Not given	Freemium
Pricing	Free plan: 3 monitors, no judged checks. Solo: $9/month for 25 monitors, 1,000 judged checks per month. Pro: $29/month for unlimited monitors, 1,000 judged checks per month included. Additional check packs available: $10 for 1,000 checks, $40 for 5,000 checks, $70 for 10,000 checks.	Free: 0€/month with 3 domains; Pro: 9€/month or 99€/year with 25 domains; Agency: 29€/month or 319€/year with 150 domains. Annual plans offer one month free.
Key features	HTTP endpoint pings for deadline monitoring Supervision mode to verify work actually happened Python and TypeScript SDK for checking One alert per outage, one all-clear when recovered Native integrations for Zapier and n8n Drift detection for timing changes Works with any tool that makes HTTP requests No access needed to workflow data or credentials Health check endpoint to monitor the monitor itself Grace period to tolerate schedule variance	Daily certificate verification Email, Telegram, Slack and webhook notifications Customizable alert timing at 30, 15, 7, 5, 3 or 1 day before expiration CSV import and export Multiple recipients with domain-level assignment on Agency plan Weekly and monthly email reports on paid plans REST API for domain management on Agency plan Invalid certificate alerts
What makes it different	Catches silent failures where automation reports success but work doesn't actually happen Deterministic checks approved by user, no model decides alerts Checks run inside your process, never sends your data One email per outage prevents alert fatigue No OAuth, no credentials stored, minimal data collection	No server installation required, reads certificates like a browser would Free plan supports up to 3 domains without requiring a credit card Combines automatic renewal alerts with notifications for failures that don't trigger alerts Suitable for agencies managing client sites with per-domain recipient control
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	26	0
Referring domains (Majestic)	20	0

4 details filled in for both companies.

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