Added support for IP2Proxy Web Service

Author: ip2location

README.md

@@ -5,13 +5,18 @@ This module allows user to query an IP address if it was being used as VPN anony
 * Free IP2Proxy BIN Data: https://lite.ip2location.com
 * Commercial IP2Proxy BIN Data: https://www.ip2location.com/database/ip2proxy
 
+As an alternative, this module can also call the IP2Proxy Web Service. This requires an API key. If you don't have an existing API key, you can subscribe for one at the below:
+
+https://www.ip2location.com/web-service/ip2proxy
 
 ## Compilation
 
 ```bash
 erlc ip2proxy.erl test.erl
 ```
 
+## QUERY USING THE BIN FILE
+
 ## Methods
 Below are the methods supported in this package.
 
@@ -43,3 +48,20 @@ Below are the methods supported in this package.
 ```erlang
 test:testme().
 ```
+
+## QUERY USING THE IP2PROXY PROXY DETECTION WEB SERVICE
+
+## Methods
+Below are the methods supported in this package.
+
+|Method Name|Description|
+|---|---|
+|openws| Expects 3 input parameters:<ol><li>IP2Proxy API Key.</li><li>Package (PX1 - PX11)</li></li><li>Use HTTPS or HTTP</li></ol> |
+|lookup|Query IP address. This method returns a map containing the proxy info. <ul><li>countryCode</li><li>countryName</li><li>regionName</li><li>cityName</li><li>isp</li><li>domain</li><li>usageType</li><li>asn</li><li>as</li><li>lastSeen</li><li>threat</li><li>proxyType</li><li>isProxy</li><li>provider</li><ul>|
+|getcredit|This method returns the web service credit balance.|
+
+## Usage
+
+```erlang
+test:testme2().
+```