Host Detection

Fetch Who-Hosts-This.com data with curl, guzzle or your favorite HTTP client.

Curl Example

curl -G https://www.who-hosts-this.com/API/Host \
--data-urlencode key="Your-api-key" \
--data-urlencode url="en.wikipedia.org"

Request Parameters

This API endpoint requires two parameters: the URL you want to check and your API key.

Result JSON

Responses are JSON encoded and have the following format.

{
    "request": "https://www.who-hosts-this.com/API/Host?key=YOUR-API-KEY&url=en.wikipedia.org",
    "result": {
        "code": 200,
        "msg": "Success: CMS or Host Found"
    },
    "last_checked": 1750748081,
    "results": [
        {
            "ip": "2620:0:861:ed1a::1",
            "type": "AAAA",
            "isp_id": "544",
            "isp_name": "Wikimedia Foundation Inc.",
            "isp_url": "https://www.who-hosts-this.com/Hosts/544-Wikimedia-Foundation-Inc"
        },
        {
            "ip": "198.35.26.96",
            "type": "A",
            "isp_id": "544",
            "isp_name": "Wikimedia Foundation Inc.",
            "isp_url": "https://www.who-hosts-this.com/Hosts/544-Wikimedia-Foundation-Inc"
        }
    ]
}

WordPress Theme Detection

Fetch ThemeDetect.com data with curl, guzzle or your favorite HTTP client.

Curl Example

curl -G https://www.themedetect.com/API/Theme \
--data-urlencode key="Your-api-key" \
--data-urlencode url="blog.mozilla.org"

Request Parameters

This API endpoint requires two parameters: the URL you want to check and your API key.

Result JSON

Responses are JSON encoded and have the following format.

{
    "request": "https://www.themedetect.com/API/Theme?url=blog.mozilla.org&key=YOUR-API-KEY",
    "result": {
        "code": 200,
        "msg": "Success"
    },
    "last_checked": 1750806161,
    "results": [
        {
            "theme_uri": "https://github.com/craigcook/frontierline-theme",
            "theme_name": "Frontierline",
            "author": "Craig Cook, Michael Ham, and all your friends at Mozilla",
            "author_uri": "https://www.mozilla.org",
            "version": "2.4",
            "license": "GPL GNU General Public License v3 or later",
            "license_uri": "http://www.gnu.org/licenses/gpl-3.0.html",
            "template": "",
            "description": "A theme for official Mozilla blogs.",
            "tags": null
        }
    ]
}

Technology Detection

The technology endpoint provides a more complete picture of the software powering webpages. In addition to detecting the CMS, this endpoint will return the programming language, database, web server and more of the requested URL.

Curl Example

curl -G https://whatcms.org/API/Tech \
--data-urlencode key="Your-api-key" \
--data-urlencode url="en.wikipedia.org"

Request Parameters

This API endpoint requires two parameters: the URL you want to check and your API key.

Result JSON

Responses are JSON encoded and have the following format.

For better lead generation, we are including detected social media profile URLs. Includes Twitter, Facebook, Instagram, LinkedIn and YouTube networks.

{
    "request": "https://whatcms.org/API/Tech?key=YOUR-API-KEY&url=blog.mozilla.org",
    "result": {
        "code": 200,
        "msg": "Success"
    },
    "last_checked": 1750810821,
    "results": [
        {
            "name": "WordPress",
            "id": 1,
            "version": "5.7.2",
            "categories": [
                "Blog",
                "CMS"
            ],
            "url": "https://whatcms.org/c/WordPress"
        },
        {
            "name": "PHP",
            "id": 1656,
            "categories": [
                "Programming Language"
            ],
            "url": "https://whatcms.org/c/PHP"
        },
        {
            "name": "MySQL",
            "id": 1595,
            "categories": [
                "Database"
            ],
            "url": "https://whatcms.org/c/MySQL"
        },
        {
            "name": "Nginx",
            "id": 1611,
            "categories": [
                "Web Server"
            ],
            "url": "https://whatcms.org/c/Nginx"
        }
    ],
    "meta": {
        "social": [
            {
                "network": "twitter",
                "url": "https://twitter.com/firefox",
                "profile": "firefox"
            },
            {
                "network": "twitter",
                "url": "https://twitter.com/mozilla",
                "profile": "mozilla"
            },
            {
                "network": "instagram",
                "url": "https://www.instagram.com/firefox/",
                "profile": "firefox"
            },
            {
                "network": "instagram",
                "url": "https://www.instagram.com/mozilla/",
                "profile": "mozilla"
            },
            {
                "network": "youtube",
                "url": "https://www.youtube.com/user/firefoxchannel",
                "profile": "firefoxchannel"
            }
        ]
    }
}

Technology List

Download a JSON list of the technologies we detect.

Status Endpoint

You can use the status endpoint for checking your account totals.

Example Response

{
    "request": "https://whatcms.org/API/Status?key=YOUR-API-KEY",
    "result": {
        "code": 200,
        "msg": "Success",
        "period_start": 1520722943,
        "period_end": 1523401343,
        "period_quota": 10000,
        "period_requests": 406,
        "period_remaining": 9594
    }
}

Rate Limiting

Rate limiting is an important part of our ability to provide API detections to so many customers, maintain a stable platform, and provide plans with unbeatable prices. Our plans are designed to meet everyone's needs with a wide range of rate limits and of detections per month.

120 Rate Limited

If you're receiving the "120" result code or find the rate limit of your current plan too restrictive, there are a couple of solutions we suggest.

• Chances are we have an API plan that will better fit your needs.
• Batch detections provide faster detection rates than using the API and don't

Result Codes

Deprecated Features

The following are deprecated features of our API and will be removed on the following dates