SSL & Domain Expiry Checker — Bulk Renewals · $0.005/domain

Check SSL certificate and domain registration expiry for a list of domains in one run. Returns issuer, validity dates, days left, trust status, registrar and nameservers, and flags everything expiring inside your warning window. Run it on a schedule for renewal alerts. Failed domains are free.

Check SSL certificate and domain registration expiry for one domain or a whole list: certificate issuer, valid from and to, days left, trusted or not, domain registration and expiry dates, registrar and nameservers. Flags what expires within your warning window. Registrant details are never returned.

What you get

Structured JSON for each run, ready for spreadsheets, alerts and AI agents.

Use cases

• Find certificates and domain registrations that expire in the next 30 days across a whole portfolio of domains.
• Run it weekly on a schedule and alert only on rows where the renewal date is close.
• Check client domains for an agency or MSP report: expiry dates for the certificate and the registration in one table.

Input

Field	Type	Default	Description
domain	string		One domain, for example example.com. Use this or domains.
domains	array		Up to 100 domains in one run (Apify Actor only). Each domain that returns a result is one billable result.
warnDays	integer	30	Flag certificates and registrations that expire within this many days.
checks	string (both, ssl, domain)	both	Which checks to run for each domain.

Example input

{
  "domain": "www.sitemaps.org",
  "warnDays": 30
}

Example output (sample run 2026-10-03)

{
  "checked": 1,
  "readable": 1,
  "flagged": 0,
  "warnDays": 30,
  "billableResults": 1,
  "checkedAt": "2026-10-03T14:58:44.626Z",
  "note": "SSL data comes from the certificate the server presents; domain data from the registry RDAP service. Subdomains share their parent domain registration.",
  "results": [
    {
      "domain": "www.sitemaps.org",
      "ok": true,
      "ssl": {
        "subject": "www.sitemaps.org",
        "issuer": "Microsoft Corporation",
        "notBefore": "2026-08-29T12:16:28.000Z",
        "notAfter": "2026-12-07T11:16:28.000Z",
        "sans": [
          "www.sitemaps.org"
        ],
        "protocol": "TLSv1.3",
        "trusted": true,
        "trustError": null,
        "daysLeft": 64,
        "expired": false
      },
      "registration": {
        "registered": true,
        "registeredAt": "2001-08-12T23:51:55.459Z",
        "expiresAt": "2027-08-12T23:51:55Z",
        "daysToExpiry": 313,
        "registrar": "MarkMonitor Inc.",
        "nameservers": [
          "ns3-02.azure-dns.org",
          "ns1-02.azure-dns.com",
          "ns2-02.azure-dns.net",
          "ns4-02.azure-dns.info"
        ],
        "status": [
          "client delete prohibited",
          "client transfer prohibited",
          "client update prohibited"
        ]
      },
      "flags": []
    }
  ]
}

Pricing

Event	Price
domain (each successful result)	$0.005

Failed runs are not charged. Free trial credits from Apify cover your first runs.

FAQ

Is a result guaranteed to be complete? Each result carries the date it was read. If the upstream service is down the run fails with a clear message and no per-result charge is made.

Can I call it from code or an AI agent? Yes: run it through the Apify API, schedule it, or use it from MCP clients that support Apify Actors.

Is this affiliated with the data source? No. Source names are used descriptively; each result keeps its source attribution and licence line.

Where do I report a problem? Open an issue on this Actor's page; replies are written by the Ambolt service team, usually within a day.

Review

If this Actor saved you time, a short review on its Store page helps others find it and tells us what to improve.

Keywords

SSL expiry, certificate expiry, domain expiry, bulk domain check, renewal reminder, TLS certificate checker, domain monitoring, agency

Notes

Data comes from the source named in each result and keeps its licence and attribution. Informational only, not financial, legal or tax advice. Open an issue on the Actor page for questions; replies come under the product name.