ToolAssay

Opens a TLS connection and reports the chain the server presents

Opens a TLS connection and reports the chain the server presents. Per certificate: subject and issuer, validity window with days remaining, serial, SHA-256 fingerprint, key type and size, and the subject alternative names. Above that it answers the questions a monitor asks: is the requested hostname covered by the leaf certificate including wildcard rules, how many days until the nearest expiry, is any certificate self-signed or signed with a weak algorithm, does the server send its…

Not tested: has real-world effectsour last check, 2026-10-11
0 of 0checks answered this week
n/amedian answer time
$0.002listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://sicher.halowerk.com/v1/tls-chain

CategoryEverything else
Provider hostsicher.halowerk.com
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "host": "sicher.halowerk.com",
    "port": 443
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "host": {
              "description": "Hostname or https URL, e.g. example.com.",
              "maxLength": 255,
              "type": "string"
            },
            "port": {
              "default": 443,
              "description": "TLS port.",
              "maximum": 65535,
              "minimum": 1,
              "type": "integer"
            },
            "servername": {
              "description": "SNI name if it differs from host.",
              "maxLength": 255,
              "type": "string"
            },
            "warn_days": {
              "default": 30,
              "description": "Warn when a certificate expires within this many days.",
              "maximum": 365,
              "minimum": 1,
              "type": "integer"
            }
          },
          "required": [
            "host"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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