title: Paypal using API with Curl error
body: <p>I am working on Paypal with API as per ref of <a href="http://www.saaraan.com/2012/07/paypal-expresscheckout-with-php" rel="nofollow">http://www.saaraan.com/2012/07/paypal-expresscheckout-with-php</a></p>
  
  <p>I am getting the below error. i tested in Couple of Servers but not succeded. The problem occurs while sending request to Paypal in that code.</p>
  
  <blockquote>
    <p>Error: SetExpressCheckout failed: Unknown SSL protocol error in
    connection to api-3t.sandbox.paypal.com:443 (35)</p>
  </blockquote>