SSL Certificate Checker — Expiry & Validity
Check SSL/TLS certificates for many hosts — issuer, validity window, days to expiry, hostname match, and expiring-soon flags. Ideal for scheduled expiry monitoring. No auth.
SSL Certificate Checker — Expiry & Validity returns 10 documented output fields, including host, valid, commonName, issuer and validTo. Every field carries a declared type, a written description and an example value. 27 runs are recorded on Apify.
- 10
- Output fields
- 3
- Inputs
- 27
- Runs
- 2026-10-15
- Last run
01 — output
What it returns
Every field the extractor writes to its dataset, with its type, a written description and an example value.
| Field | Type | What it holds | Example |
|---|---|---|---|
| host | stringnull | Hostname this row describes. | <host> |
| valid | booleannull | Whether the record passed validation. | true |
| commonName | stringnull | Common or trade name, where it differs from the registered name. | <commonName> |
| issuer | stringnull | Issuer of the certificate. | <issuer> |
| validTo | stringnull | ISO 8601 timestamp up to which this record is valid. | <validTo> |
| daysToExpiry | integernull | Days until this record or certificate expires. | 0 |
| expiringSoon | booleannull | Whether the record expires within the configured warning window. | true |
| riskGrade | stringnull | Risk expressed as a letter grade. | <riskGrade> |
| actionNeeded | stringnull | Whether a human needs to act on this row. | <actionNeeded> |
| hostMatches | booleannull | Whether the host matches the expected pattern. | true |
02 — sample
One record
Assembled from the example values declared on the schema above, not invented at render time.
{
"host": "<host>",
"valid": true,
"commonName": "<commonName>",
"issuer": "<issuer>",
"validTo": "<validTo>",
"daysToExpiry": 0,
"expiringSoon": true,
"riskGrade": "<riskGrade>"
}03 — input
What you give it
| Input | Type | Description |
|---|---|---|
| domains | arrayrequired | Hosts to check (optionally host:port; default 443). |
| timeoutMs | integeroptional | Per-host TLS timeout. |
| maxItems | integeroptional | Hard cap. |
04 — run
Run SSL Certificate Checker on your own input
It runs in the cloud on Apify. Nothing to install, and you are billed per result returned rather than per attempt.
05 — questions
Asked before running it
10 of 10 fields described
- What does SSL Certificate Checker — Expiry & Validity return?
- It returns 10 documented output fields: host, valid, commonName, issuer, validTo, daysToExpiry, expiringSoon, riskGrade, actionNeeded and hostMatches. Each field declares its type, a description of what it holds, and an example value.
- What input does SSL Certificate Checker — Expiry & Validity require?
- domains is required. A further 2 inputs are optional. The full input schema, with types and defaults, is below.
- Does SSL Certificate Checker — Expiry & Validity need an API key or login?
- No. None of its inputs is a credential, and it reads only public data. Nothing to sign up for before the first run.
- How do I run SSL Certificate Checker — Expiry & Validity?
- It runs on Apify. Start it from its listing with the inputs above, or call the Apify API with the Actor's ID. Results land in a dataset you can export as JSON, CSV or Excel, or read through the Apify API into your own pipeline.