Pricing

$20.00 / 1,000 host checkeds

SSL Expiry Monitor — Days Remaining + Alerts, Many Hosts

Input: a list of hostnames. Output: one JSON record per host with certificate expiry date, days remaining, and an expiring-soon alert flag. Schedule it across your fleet and stop outages from expired certs. Cheap pay-per-result: $0.02 per host checked.

Pricing

$20.00 / 1,000 host checkeds

Rating

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Developer

Anthony Snider

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Bookmarked

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Monthly active users

7 days ago

Last modified

SSL Expiry Monitor

Catch expiring SSL/TLS certificates before they take your site down.

Live on the Apify Store — run it instantly or call it as an agent tool via Apify MCP.

What you get

Bulk certificate checks across many hosts in one run.
daysToExpiry for every host, plus an expiringSoon alert when a cert is within your warning window.
expired flag for certs that are already past their validity date.
Issuer and exact validTo timestamp for each host.
Resilient per-host checks — one unreachable host never fails the rest.

Input

{
  "hosts": ["github.com", "google.com", "expired.badssl.com"],
  "warnDays": 21,
  "maxHosts": 50
}

You can also pass a single host instead of the hosts array, an optional default port (443), and use host:port syntax per entry.

Output

One dataset item per host:

{
  "host": "github.com",
  "port": 443,
  "validTo": "2026-02-05T23:59:59.000Z",
  "daysToExpiry": 226,
  "expiringSoon": false,
  "expired": false,
  "issuer": "Sectigo Limited"
}

Hosts that can't be reached return { "host", "port", "error" } so your monitoring never silently drops a target.

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Check the SSL certificate and domain registration expiry of every domain you manage, and get alerts before anything lapses — days left, issuer, expiry dates, ready to pipe into Slack or email.