Retrieve VAT or sales tax

Overview

1. Populate the Order object with information. Avangate needs the BillingDetails (object) information to calculate taxes. 
2. Use the getContents method to get info on all the products added to cart by the shopper in the current session.
3. The output of the getContents method is the Order session content object.
4. Under the Price, access information including for each product purchased. Find value added tax and sales tax details under the VAT parameter. 
5. Tax information is also available for the entire order object. Find value added tax and sales tax details under the VAT parameter.
6. Calculate the VAT/sales tax rates using the VAT and NetPrice values. 

Parameters

Response

Request

<?php


function callRPC($Request, $hostUrl, $Debug = true) {
    $curl = curl_init($hostUrl);
    curl_setopt($curl, CURLOPT_POST, 1);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($curl, CURLOPT_SSLVERSION, 0);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/json', 'Accept: application/json'));
    $RequestString = json_encode($Request);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $RequestString);


    if ($Debug) {
        $RequestString;
    }
    $ResponseString = curl_exec($curl);
    if ($Debug) {
        $ResponseString;
    }

    if (!empty($ResponseString)) {
        $Response = json_decode($ResponseString);
        if (isset($Response->result)) {
            return $Response->result;
        }
        if (!is_null($Response->error)) {
            var_dump($Request->method, $Response->error);
        }
    } else {
        return null;
    }
}

$host = 'https://api.avangate.com/rpc/3.0/';

$merchantCode = "YOUR_MERCHANT_CODE";// your account's merchant code available in the 'System settings' area of the cPanel: https://secure.avangate.com/cpanel/account_settings.php
$key = "YOUR_SECRET_KEY";// your account's secret key available in the 'System settings' area of the cPanel: https://secure.avangate.com/cpanel/account_settings.php

$string = strlen($merchantCode) . $merchantCode . strlen(gmdate('Y-m-d H:i:s')) . gmdate('Y-m-d H:i:s');
$hash = hash_hmac('md5', $string, $key);

$i = 1; // counter for api calls
// call login
$jsonRpcRequest = new stdClass();
$jsonRpcRequest->jsonrpc = '2.0';
$jsonRpcRequest->method = 'login';
$jsonRpcRequest->params = array($merchantCode, gmdate('Y-m-d H:i:s'), $hash);
$jsonRpcRequest->id = $i++;

$sessionID = callRPC($jsonRpcRequest, $host);

var_dump($sessionID);
$Order = new stdClass();
$Order->RefNo = NULL;
$Order->Currency = 'usd';
$Order->Country = 'US';
$Order->Language = 'en';
$Order->CustomerIP = '91.220.121.21';
$Order->ExternalReference = NULL;
$Order->Source = NULL;
$Order->AffiliateId = NULL;
$Order->CustomerReference = NULL;
$Order->Items = array();
$Order->Items[0] = new stdClass();
$Order->Items[0]->Code = 'my_subscription_1';
$Order->Items[0]->Quantity = 1;
$Order->Items[0]->PriceOptions = NULL;
$Order->Items[0]->SKU = NULL;
$Order->Items[0]->Price = NULL;
$Order->Items[0]->CrossSell = NULL;
$Order->Items[0]->Trial = false;
$Order->Items[0]->AdditionalFields = NULL;
$Order->Items[0]->Promotion = NULL;
$Order->BillingDetails = new stdClass();
$Order->BillingDetails->FirstName = 'FirstName';
$Order->BillingDetails->LastName = 'LastName';
$Order->BillingDetails->CountryCode = 'us';
$Order->BillingDetails->State = 'California';
$Order->BillingDetails->City = 'LA';
$Order->BillingDetails->Address1 = 'Address example';
$Order->BillingDetails->Address2 = NULL;
$Order->BillingDetails->Zip = '90210';
$Order->BillingDetails->Email = 'customer@email.com';
$Order->BillingDetails->Phone = NULL;
$Order->BillingDetails->Company = NULL;
$Order->DeliveryDetails = NULL;
$Order->PaymentDetails = new stdClass ();
$Order->PaymentDetails->Type = 'TEST';
$Order->PaymentDetails->Currency = 'usd';
$Order->PaymentDetails->PaymentMethod = new stdClass ();
$Order->PaymentDetails->CustomerIP = '10.10.10.10';
$Order->PaymentDetails->PaymentMethod->RecurringEnabled = true;
$Order->PaymentDetails->PaymentMethod->CardNumber = "4111111111111111";
$Order->PaymentDetails->PaymentMethod->CardType = 'visa';
$Order->PaymentDetails->PaymentMethod->ExpirationYear = '2019';
$Order->PaymentDetails->PaymentMethod->ExpirationMonth = '12';
$Order->PaymentDetails->PaymentMethod->HolderName = 'John';
$Order->PaymentDetails->PaymentMethod->CCID = '123';
$Order->Promotions = NULL;
$Order->AdditionalFields = NULL;
$Order->LocalTime = NULL;
$Order->GiftDetails = NULL;
$jsonRpcRequest = array (
'method' => 'getContents',
'params' => array($sessionID, $Order),
'id' => $i++,
'jsonrpc' => '2.0'
);
echo '<BR>';
echo 'The content of the current session:';
echo '<BR>';
var_dump (callRPC((Object)$jsonRpcRequest, $host, true));