SSL 証明書 APIリファレンス

リクエスト例

curl -H "X-API-Key: $DOMSCAN_API_KEY" "https://domscan.net/v1/certificates?domain=example.com&include_subdomains=true&include_expired=false&limit=25&cursor=example"

const response = await fetch("https://domscan.net/v1/certificates?domain=example.com&include_subdomains=true&include_expired=false&limit=25&cursor=example", {
  headers: { "X-API-Key": process.env.DOMSCAN_API_KEY },
});
const data = await response.json();
console.log(data);

import os
import requests

response = requests.get(
    "https://domscan.net/v1/certificates?domain=example.com&include_subdomains=true&include_expired=false&limit=25&cursor=example",
    headers={"X-API-Key": os.environ["DOMSCAN_API_KEY"]},
)
print(response.json())

package main

import (
	"fmt"
	"io"
	"net/http"
	"os"
)

func main() {
	req, err := http.NewRequest(http.MethodGet, "https://domscan.net/v1/certificates?domain=example.com&include_subdomains=true&include_expired=false&limit=25&cursor=example", nil)
	if err != nil {
		panic(err)
	}
	req.Header.Set("X-API-Key", os.Getenv("DOMSCAN_API_KEY"))

	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()

	data, err := io.ReadAll(resp.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println(resp.Status, string(data))
}

require "json"
require "net/http"

uri = URI("https://domscan.net/v1/certificates?domain=example.com&include_subdomains=true&include_expired=false&limit=25&cursor=example")
request = Net::HTTP::Get.new(uri)
request["X-API-Key"] = ENV.fetch("DOMSCAN_API_KEY")

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end
puts JSON.pretty_generate(JSON.parse(response.body))

レスポンス例

{
  "domain": "example.com",
  "certificates": [
    {
      "id": "16234550871",
      "issuer": {
        "name": "R11",
        "organization": "Let's Encrypt"
      },
      "common_name": "www.example.com",
      "san": [
        "example.com",
        "www.example.com"
      ],
      "not_before": "2026-09-14T08:12:44",
      "not_after": "2026-12-13T08:12:43",
      "is_expired": false,
      "is_wildcard": false
    },
    {
      "id": "16198877412",
      "issuer": {
        "name": "R11",
        "organization": "Let's Encrypt"
      },
      "common_name": "api.example.com",
      "san": [
        "api.example.com"
      ],
      "not_before": "2026-08-20T14:03:10",
      "not_after": "2026-11-18T14:03:09",
      "is_expired": false,
      "is_wildcard": false
    }
  ],
  "summary": {
    "total_found": 14,
    "returned": 2,
    "unique_subdomains": 3,
    "issuers": [
      "Let's Encrypt"
    ],
    "earliest_cert": "2026-08-20T14:03:10",
    "latest_cert": "2026-09-14T08:12:44"
  },
  "pagination": {
    "limit": 2,
    "offset": 0,
    "returned": 2,
    "total": 14,
    "has_more": true,
    "next_cursor": "2"
  },
  "intelligence_summary": {
    "data_source": "crt.sh",
    "ct_log_sources": [
      "crt.sh"
    ],
    "source_count": 1,
    "cache_status": "live",
    "returned_count": 2,
    "total_found": 14,
    "truncated": true,
    "limit": 2,
    "include_subdomains": true,
    "include_expired": false,
    "unique_name_count": 3,
    "unique_subdomains": 3,
    "issuer_count": 1,
    "wildcard_cert_count": 0,
    "active_cert_count": 2,
    "expired_cert_count": 0,
    "expiring_within_30_days_count": 0,
    "earliest_cert": "2026-08-20T14:03:10",
    "latest_cert": "2026-09-14T08:12:44",
    "latest_expiry": "2026-12-13T08:12:43",
    "has_more": true,
    "next_cursor": "2",
    "warning_code": null
  },
  "meta": {
    "source": "crt.sh",
    "ct_log_sources": [
      "crt.sh"
    ],
    "query_time_ms": 1240,
    "cached": false,
    "page": {
      "limit": 2,
      "offset": 0,
      "returned": 2,
      "total": 14,
      "has_more": true,
      "next_cursor": "2"
    },
    "served_by": "pop=MAD country=ES"
  }
}

HTTP ステータスコード

• 200 成功
• 400 不正なリクエスト
• 401 未認証
• 402 支払いが必要
• 429 リクエスト過多
• 503 サービス利用不可
• 504 ゲートウェイタイムアウト