Ejemplo de como crear un reembolso con Tpaga

refound.php

<?php

// Get cURL resource
$ch = curl_init();

// Set url
curl_setopt($ch, CURLOPT_URL, 'https://sandbox.tpaga.co/api/refund/credit_card');

// Set method
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');

// Set options
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

// Set headers
curl_setopt($ch, CURLOPT_HTTPHEADER, [
  "Authorization: Basic privateKey",
  "Content-Type: application/json; charset=utf-8",
 ]
);
// Create body
$json_array = [
  "id" => "token_id"
]; 
$body = json_encode($json_array);

// Set body
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $body);

// Send the request & save response to $resp
$resp = curl_exec($ch);

if(!$resp) {
  die('Error: "' . curl_error($ch) . '" - Code: ' . curl_errno($ch));
} else {
  echo "Response HTTP Status Code : " . curl_getinfo($ch, CURLINFO_HTTP_CODE);
  echo "\nResponse HTTP Body : " . $resp;
}

// Close request to clear up some resources
curl_close($ch);