$APIVersion = "20120401";

function uhasibu($method, $package) {
	global $APIVersion;
	$url = "www.uhasibu.co.ke/api/" . $APIVersion . $method;
	$curl = curl_init();
	curl_setopt($curl, CURLOPT_URL, $url);
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
	curl_setopt($curl, CURLOPT_POST, true);
	curl_setopt($curl, CURLOPT_POSTFIELDS, $package); 
	$response = curl_exec($curl);
	curl_close($curl);
	return json_decode($response, TRUE);
}

$package = 
	"companyId=**COMPANYID**" .
	"&login=" . urlencode("**USERNAME**") .
	"&password=" . urlencode("**PASSWORD**");

$response = uhasibu("/bookkeeping/getCurrency.php", $package);
if ($response["STATUS_CODE"] != 0) {
	die($response["STATUS_MESSAGE"]);
}

foreach ($response["RESULT"] AS $currency) {
	print "Currency ID: " . $currency["ID"];
	print "Currency Symbol: " . $currency["SYMBOL"];
	print "Currency Name: " . $currency["NAME"];
}

using System;
using System.Collections.Generic;
using System.Net.Http;

using Newtonsoft.Json; // Download Newtonsoft via NuGet
using Newtonsoft.Json.Linq;

var apiVersion = "20120401";
var apiFunction = "/bookkeeping/getCurrency.php";
var serviceUri = new Uri(string.Format("https://www.uhasibu.co.ke/api/", apiVersion, apiFunction));

HttpClient client = new HttpClient();
HttpContent content = new FormUrlEncodedContent(new[] {
  new KeyValuePair("companyId", "**COMPANYID**"),
  new KeyValuePair("login", "**USERNAME**"),
  new KeyValuePair("password", "**PASSWORD**")
});

var response = client.PostAsync(serviceUri, content).Result;
																										
if (response != null && response.IsSuccessStatusCode && response.Content != null)
{
  var responseData = response.Content.ReadAsStringAsync().Result;
  if (responseData != null)
  {
    var responseDataObject = JsonConvert.DeserializeObject(responseData);
    JToken statusCode;
    JToken result;

    if (responseDataObject != null &&
        responseDataObject.TryGetValue("STATUS_CODE", out statusCode) &&
        JToken.DeepEquals(statusCode, "0") &&
        responseDataObject.TryGetValue("RESULT", out result) &&
        result != null)
    {
      foreach (var currency in result.Children())
      {
        JToken currencyID;
        JToken currencyName;
        JToken currencySymbol;
								
        if (currency.TryGetValue("ID", out currencyID) &&
            currency.TryGetValue("SYMBOL", out currencySymbol) &&
            currency.TryGetValue("NAME", out currencyName))
        {
          Console.WriteLine("ID: , SYMBOL: , NAME: ", currencyID, currencySymbol, currencyName);
        }
      }
    }
  }
}