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Building the Request

Request URL and GET vars

GET vars specific to this request:

Resulting Request URL:
The resulting request URL would be similar to this (don't forget to append the required info: key, timestamp, salt and signature):
https://....../api.php?go=store&do=place_order&iq={user_id}&{required information}

POST vars

The following POST vars are optional.

Response Examples

If the request was successful, you'll receive a response containing:
• ok: ...
• id: The order ID.
Example:

{
	"ok": "Order was placed",
	"id": 319
}

If the request failed (for example, if no signature was provided in the request), you'll receive a response like the following:

{
	"error"		 : "REQUEST_ERROR",
	"error_long" : "Missing signature"
}

Possible Error Messages
Besides the general errors, this request can return the following errors:

• REQUEST_ERROR | Invalid User ID:
The User ID was not specified or it is invalid/lower than 1.

• ERROR_ORDER_ALREADY_PLACED | Can't place order because there is already a current order:

• ERROR_EMPTY_CART | Can't place order because cart is empty:

• ERROR_MIN_PURCHASE | Can't place order because because the items do not total the minimum required amount:

PHP Example Code

Preparing GET and POST data.

// The GET vars
$GET_VARS = array( 
					"go"        => "store",
					"do"        => "place_order",
					"iq"        => "2"
					);

// The POST vars
$POST_VARS = array( 
					"notify_buyer"    => 1,
					"buyer_ip"        => "8.8.8.8",
					"buyer_useragent" => "Mozilla/5.0 (Linux; Android 7.0; SAMSUNG SM-G950F Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/5.2 Chrome/51.0.2704.106 Mobile Safari/537.36"
					);

Generating the salt, timestamp, signature and sending the request
*** The following code block is common to all signed requests ***

// Collect the API Base URL and Credential info
$API_URL = "https://www.mywebtvdomain.tv/api.php";
$API_KEY_ID = "1b323a1cb879fd4e66530fbad07a32ee"; 
$API_SHARED_SECRET = "MWIzMjNhMWNiODc5ZmQ0ZTY2NTMwZmJhZDA3YTMyZWViOTQ3MDJiOGM2ZTU2NjE3"; // keep this safe!!!

// Generating the salt, timestamp and validation signature
$salt = md5(mt_rand());
$timestamp = time();
$signature = base64_encode(hash_hmac('sha256', $salt.$timestamp, $API_SHARED_SECRET, true));

// Append the timestamp, salt, key and signature to the GET vars
$GET_VARS["timestamp"] = $timestamp; 	// UTC timestamp
$GET_VARS["salt"] = $salt;
$GET_VARS["key"] = $API_KEY_ID ;      // The API Key ID: This is public and is used by the API to identify the application;
$GET_VARS["signature"] = $signature;

// Create the request URL. Please note that if you do not use PHP buit in function 
// to create the HTTP query then don't forget to URL encode the values
$REQUEST_URL = $API_URL."?".http_build_query($GET_VARS); 
// The previous will build an URL like .../api.php?go=api_subject&do=api_action&etc...

// Create a new cURL resource and set the appropriate options
$ch = curl_init(); 
curl_setopt($ch, CURLOPT_URL, $REQUEST_URL); 
curl_setopt($ch, CURLOPT_POST, true); 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_POSTFIELDS, $POST_VARS);
// If your PHP host does not have a valid  SSL certificate, you will need to turn off SSL
// Certificate Verification. This is dangerous (!), and should only be done temporarily
// until a valid certificate has been installed
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); // Turns off verification of the SSL certificate.
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // Turns off verification of the SSL certificate.

// Sending the request to the API
$response = curl_exec($ch);

// Processing the response
if (!$response) { 
	echo 'API call failed'; 
} 
else
{
	print_r(json_decode($response,true)); 
}