<ul>
  <li><a href="quick-start.php">Quick start</a></li>
  <li><a href="creditcard-authorize-and-capture.php">Authorize and capture a credit card.</a></li>
  <li><a href="generic-transaction.php">Generic transaction</a></li>
  <li><a href="multiple-transactions.php">Multiple transactions.</a></li>
</ul>
