This example seeks to help developers understand how to access the /lists/delete endpoint.

wrapper.php

<?php

/**
 * This example seeks to help developers understand how to access the /lists/delete endpoint. 
 */
 
 
if ( !class_exists( 'Example_API_Calls' )) {

	class Example_API_Calls {
		
		static $key;
		static $token;
		static $base_api_url;
		static $complete_api_url;
		static $endpoint;
		static $data;
		static $response;

		/**
		*  initiates class
		*/
		public function __construct() {
			
			/* Define API Credentials for testing - used by connect() method below */
			self::$key = '91866f1c792f003fc986e3783ca71e88';
			self::$token = 'eaa9be109fc204dee7dfd7d7a94184d9';
			self::$base_api_url = 'http://www.yoursite.com/inbound-api/v1/';

		}

		
		/**
		 *  Determines connect method and makes a request to the API 
		 *  
		 *  
		 */
		public static function connect() {
			
			$connect = (isset($_GET['connect'])) ? $_GET['connect'] : 'curl';
			
			switch ( $connect ) {
				case 'curl' :
					self::curl_connect( self::$endpoint , self::$data );
					BREAK;
			}
		}

		/**
		* Uses CURL to connect to Inbound API 
		*/
		public static function curl_connect( $endpoint , $data ) {
			
			$api_url = add_query_arg( array('key' => self::$key , 'token' => self::$token  ), self::$base_api_url . $endpoint ); 														
			
			$ch = curl_init( $api_url );			
			curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");																	
			curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));																	
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);																		
			
			self::$response = curl_exec($ch);
			
			self::check_response( $endpoint , $data );			
		}
		
		/**
		*	Returns data from the API call for review.
		*/
		public static function check_response() {			
			echo 'API Key: '. self::$key .'<br>';
			echo 'API Token: '. self::$token .'<br>';
			echo 'API Endpoint: '. self::$endpoint .'<br>';

			echo '<b>Response</b>:<br>';
			echo '<div class="toggle" id="'.$id.'">';
			echo '<pre>';
			echo self::$response;
			echo '</pre>';
			echo '</div><br><br>';
			
		}
		
		/**
		 *  Example API Query: Changes a lead list name
		 *  @endpoint lists/delete
		 */
		public static function delete_list() {
			
			/*  Sets endpoint to http://www.yoursite.com/inbound-api/v1/lists/modify */
			self::$endpoint = 'lists/delete';			
			self::$query_description = 'deletes a lead lists';
		
			/* Prepare an example lead dataset - this data will be sent to the API */			
			self::$data = array( 'id' => 122 );
			
			/* Connect to the API and print data results */
			self::connect();			
		}
	}

	/* Initialize Class */
	$Example_API_Calls = new Example_API_Calls();
	
	/* Add a lead list to the Leads database */
	$Example_API_Calls->delete_list();
	
	
}