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Utilerio
All endpoints

SSL Certificate Checker

GET/api/v1/net/ssl-check

Check a website's TLS certificate: issuer, expiry date, days remaining and whether browsers trust it.

Authentication

Requires an API key in the X-API-Key header.

Try it

GET/api/v1/net/ssl-check

Parameters

hoststringrequired

Hostname (optionally host:port) to check.

Request body

{
  "host": "example.com"
}

Response codes

  • 200Success.
  • 400Invalid request — check your body or parameters.
  • 401Missing or invalid API key.
  • 403The API key is not scoped to this endpoint.
  • 429Rate limit exceeded — retry after a short wait.

Language

cURL

Request

curl -X POST https://utilerio.com/api/v1/net/ssl-check \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"host":"example.com"}'

Response

{ "hostname": "example.com", "port": 443, "issuer": "…", "validTo": "…", "daysRemaining": 60, "isExpired": false, "authorized": true }