DownNotifier.com

6.9easy start · #24of 55
in Website Monitoring Software

Free to practise onyes
Well documentedyes
Runs where you workno

Runs on api, Web. Paid plans from $1.25/mo.

DownNotifier.com is ranked #24 of 55 in website monitoring software on The Geeks Club. It runs on API, Web. There is a free plan. Paid plans start at $1.25/mo.

DownNotifier.com plans and pricing

All plans

FREE Free 10 minute monitoring interval · 5 websites · E-mail alerts · SMS alerts (credits required) downnotifier.com · 11 Oct 2026

PREMIUM $14.95/yr $14.95 per year 1 minute monitoring interval · 10 websites included · Multiple contacts per monitor · SSL certificate monitoring · Extended reports · Unlimited history downnotifier.com · 11 Oct 2026

PROFESSIONAL $99/yr $99 per year 20 seconds monitoring interval · 25 websites included · 500 yearly SMS/WhatsApp credits included · 7 days full monitoring logs · WhatsApp notifications downnotifier.com · 11 Oct 2026

Compared on website monitoring software

Free plan: Yes
SSL monitoring: Yes
Page health checks: Yes
API access: Yes

Best DownNotifier.com alternatives

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Visual Sentinel Lesson 17.9 HostTracker Lesson 27.7 OnWebChange Lesson 37.7 Cronitor Lesson 47.6 Downdetector Lesson 57.6 GTmetrix Lesson 67.6

The record

Website monitoring: DownNotifier monitors websites and sends alerts when they are down.
Down definition: Connection errors and HTTP status codes above 399 or below 200 count as a site being down.
Content checks: Users can request an alert when a monitored site does not contain specified text.
SSL check interval: SSL certificate monitoring checks once per hour and sends notifications by email.
Email authentication validator: The email deliverability validator checks SPF, DKIM, DMARC, and BIMI records; DKIM validation requires sending a test email.
API: The site links to API documentation.
Security: The privacy policy says personal information is kept behind secured networks, access is limited, and supplied information is encrypted using SSL technology.
Data deletion: The privacy policy says closing an account deletes its data except an email address saved through the “Keep me updated” option.
Notable limit: The monitoring FAQ says passwords embedded in monitor URLs are not stored encrypted and are visible when editing a monitor.
Availability target: The terms state a target service availability of 99.7%, calculated monthly.
Support: The contact page lists [email protected] as the support email address.
Headquarters: The contact page lists an address in Zwolle, The Netherlands.
Price from: $1.25/mo

Where it ranks on The Geeks Club

Best Website Monitoring Software in 2026#24 of 55

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Sources

downnotifier.com· checked 11 Oct 2026
downnotifier.com/pages/monitoring-questions· checked 11 Oct 2026
downnotifier.com/spf-dkim-dmarc-validator· checked 11 Oct 2026
downnotifier.com/api/v1/doc· checked 11 Oct 2026
downnotifier.com/pages/privacy· checked 11 Oct 2026
downnotifier.com/pages/terms· checked 11 Oct 2026
downnotifier.com/contact/· checked 11 Oct 2026
downnotifier.com/plans· checked 11 Oct 2026