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IP2Proxy™ Proxy Detection Web Service

$50 / 10,000 credits For 1 year

The IP2Proxy™ Proxy Detection Web Service is a hosted Web Service that allows instant detection of anonymous proxy, VPN and TOR exit nodes by IP address. It is a REST API supporting both JSON and XML responses and provides IP location lookup information when a proxy is detected.

You can protect your site and web application by filtering detected anonymous proxy, TOR users at first glance.


All successful HTTP or HTTPS requests will return a response code of 200, together with the proxy lookup information. Error code will be returned if error occurred.

Each unit of package purchase entitles you to 10,000 query credits. If you need more credits, please add multiple units during checkout. Total credits will be the number of units purchased multiplied by 10,000. However, please note that only one unique API key will be given for each user account, even if multiple units are purchased. If you need a different API key, you should sign up using a different email account.

IP2Proxy™ web service is a RESTful API call for anonymous proxy detection. The REST API supports both HTTP GET or HTTPS GET. You can test this REST API easily using a web browser with the below syntax.



  • No database to download, to install or to upgrade in the server side
  • Supports 4 different type of package query with different granularity of data.
  • Supports HTTP or HTTPS queries up to 10,000 times or 1 year (whichever comes first)


Name Description
key (required) API key.
ip (optional) IP address (IPv4) for lookup purpose. If not present, the server IP address will be used for the lookup.
package (optional) If not present, the web service will assume the PX1 package query.
Valid value: PX1 | PX2 | PX3 | PX4
format (optional) If not present, json format will be returned as the search result. Valid value: json | xml


You can try out our web service by using the demo key. Demo query limit is 20 per day.


Need more credits? You can sign up for a free trial key that will entitle you to a one time 1,000 free credits to evaluate our services.

Sign Up For a Trial Key


There are 4 packages of proxy detection web services availabe. Each package returns a different set of IP address information with different amount of credits deducted for each query.

Package Information Returned Credit Cost/Query
PX1 Country Code, Country Name, Is Proxy 1 credit $0.0005
PX2 Country Code, Country Name, Is Proxy, Proxy Type 2 credits $0.0010
PX3 Country Code, Country Name, Is Proxy, Proxy Type, Region, City 3 credits $0.0015
PX4 Country Code, Country Name, Is Proxy, Proxy Type, Region, City, ISP 4 credits $0.0020

Web Service Query Example

JSON Query


JSON Result:

    "response": "OK",
    "countryCode": "JP",
    "countryName": "Japan",
    "regionName": "Tokyo",
    "cityName": "Tokyo",
    "isp": "Japan Network Information Center",
    "proxyType": "DCH",
    "isProxy": "NO"


XML Query:


XML Response:
    <isp>Japan Network Information Center</isp>