SSL/TLS Certificate Check | Apiosk Gateway

Base URL

https://gateway.apiosk.com/cbz-ssl-use-x402atlas-com

Technical Specs

Auth MethodNone (x402 payment proof only)

Response FormatJSON

Endpoints1

Endpoints

Method	Path	Description	Cost
GET	/check	SSL/TLS certificate check: expiry, issuer, SANs, chain validity, hostname match, negotiated protocol/cipher, and weak-algo warnings for a public HTTPS host. Clean JSON.	$0.01 default	View details

Endpoint documentation

GET/check

$0.01 default

Description

SSL/TLS certificate check: expiry, issuer, SANs, chain validity, hostname match, negotiated protocol/cipher, and weak-algo warnings for a public HTTPS host. Clean JSON.

Pricing

$0.01 default

Parameters

{
  "properties": {
    "host": {
      "description": "Hostname to inspect (no scheme, no IP literal, not localhost or a reserved/internal suffix)",
      "type": "string"
    },
    "port": {
      "default": 443,
      "description": "TLS port; restricted to an allowlist",
      "enum": [
        443,
        8443
      ],
      "type": "integer"
    }
  },
  "required": [
    "host"
  ],
  "type": "object"
}

Example response

{
  "certificate": {
    "issuer_cn": "DigiCert Global G3 TLS ECC SHA384 2020 CA1",
    "issuer_org": "DigiCert Inc",
    "key_algorithm": "ECDSA",
    "key_size": 256,
    "not_after": "2027-02-15T23:59:59Z",
    "not_before": "2026-01-15T00:00:00Z",
    "sans": [
      "example.com",
      "www.example.com"
    ],
    "serial_number": "212351572002930070173044758915925313",
    "signature_algorithm": "ECDSA-SHA384",
    "subject_cn": "example.com"
  },
  "chain": {
    "chain_valid": true,
    "days_until_expiry": 228,
    "hostname_matches": true,
    "is_expired": false,
    "is_self_signed": false
  },
  "connection": {
    "cipher_suite": "TLS_AES_128_GCM_SHA256",
    "tls_version": "TLS 1.3"
  },
  "host": "example.com",
  "port": 443,
  "queried_at": "2026-07-02T12:00:00Z",
  "warnings": []
}