post.php

<?php
  $data = [];
		
		$data['referencia'] = $_REQUEST['referencia'];
		
		$data['chave_checkout'] = $_REQUEST['chave_checkout'];
		
		$data['meio_pagamento'] = $_REQUEST['meio_pagamento'];
		
		$data['nome'] = $_REQUEST['nome'];
		
		$data['email'] = $_REQUEST['email'];
		
		$data['cep'] = $_REQUEST['cep'];
		
		$data['cnpj_cpf'] = $_REQUEST['cnpj_cpf'];
		
		$data['telefone'] = $_REQUEST['tel'];
		
		$data['tel'] = $_REQUEST['tel'];
		
		
		$data['endereco'] = $_REQUEST['endereco'];
		
		$data['numero'] = $_REQUEST['numero'];
		
		$data['complemento'] = $_REQUEST['complemento'];
		
		$data['bairro'] = $_REQUEST['bairro'];
		
		$data['cidade'] = $_REQUEST['cidade'];
		
		$data['estado'] = $_REQUEST['estado'];
		
		$data['tipo_frete'] = '999999';
		
		$data['quantidade'] = 1;
		
		
		$data['NameOnCard'] = $_REQUEST['NameOnCard'];
		
		$data['CreditCardNumber'] = $_REQUEST['CreditCardNumber'];
		
		$data['ExpiryDate_month'] = $_REQUEST['ExpiryDate_month'];
		
		$data['ExpiryDate_year'] = $_REQUEST['ExpiryDate_year'];
		
		$data['SecurityCode'] = $_REQUEST['SecurityCode'];
		
		$data['bandCartao'] = $_REQUEST['bandCartao'];
		
		$data['parcelamento'] = $_REQUEST['parcelamento'];

		$Process              = new Process( $monetizzeApiKey, $monetizzeCtk, $monetizzeApiUrl, $appSession );
		$response             = [];
		
		/*
		 *
			*/
		
		
		$response['startMonetizze'] = date( 'H:m:s' );
		$monetizzeResponse          = $Process->processCheckout( $data );
		$response['monetizze']      = $monetizzeResponse;
		$response['endMonetizze']   = date( 'H:m:s' );

process.php

<?php
namespace App;

class Process{

    public $apiKey;
    public $ctk;
    public $apiUrl;
    public $appSession;

    public function __construct($apiKey, $ctk, $apiUrl, $appSession){
        $this->apiKey = $apiKey;
        $this->ctk = $ctk;
        $this->apiUrl = $apiUrl;
        $this->appSession = $appSession;

    }
    public function processCheckout($data)
    {
        $url = $this->apiUrl.'checkout/transparente/processar';

        
        $header = array();
        $header[] = 'Content-Type: application/json';
        $header[] = 'Api-Key: ' . $this->apiKey; 
        
      
        $data_string = json_encode($data);
        
        $header[] = 'Content-Length: ' . strlen($data_string);
        $header[] = 'Keep-Alive: 300';
        $header[] = 'Connection: Keep-Alive';

 
		$ch  = curl_init();
		curl_setopt( $ch, CURLOPT_HEADER, 0 );
 
		curl_setopt( $ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 6.1; tr-TR) AppleWebKit/533.20.25 (KHTML, like Gecko) Version/5.0.4 Safari/533.20.27" );
		curl_setopt( $ch, CURLOPT_AUTOREFERER, true );
		curl_setopt( $ch, CURLOPT_URL, $url );
		curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true );
		curl_setopt( $ch, CURLOPT_POST, true );
		curl_setopt( $ch, CURLOPT_POSTFIELDS,  $data_string );
		
		curl_setopt( $ch, CURLOPT_ENCODING, "utf-8" );
		curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
		curl_setopt( $ch, CURLOPT_REFERER, $url );
		curl_setopt( $ch, CURLOPT_HTTPHEADER, $header );
		curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false );    # required for https urls
		curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, 30 );
		curl_setopt( $ch, CURLOPT_TIMEOUT, 35 );
		curl_setopt( $ch, CURLOPT_MAXREDIRS, 1000 );
		$content = curl_exec( $ch );
        $err      = curl_error( $ch );
        curl_close( $ch );
	
	    if ( $err ) {
		    return [ 'error' => true, 'message' => $err ];
	    } else {
		    return json_decode($content,TRUE);
	    }
	    

        

    }
}