I'm also facing the same issue . [headers] => Array ( [date] => Wed, 27 Jul 2016 15:38:42 GMT [server] => Apache [connection] => close [http_x_pp_az_locator] => sandbox.slc [paypal-debug-id] => f057dfe449db7 [set-cookie] => Array ( [0] => X-PP-SILOVER=name%3DSANDBOX3.APIT.1%26silo_version%3D1880%26app%3Dadaptivepaymentspartaweb_api3t%26TIME%3D2195036247%26HTTP_X_PP_AZ_LOCATOR%3Dsandbox.slc; Expires=Wed, 27 Jul 2016 16:08:42 GMT; domain=.paypal.com; path=/; Secure; HttpOnly [1] => X-PP-SILOVER=; Expires=Thu, 01 Jan 1970 00:00:01 GMT ) [content-length] => 352 [content-type] => text/html; charset=iso-8859-1 ) [body] => <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>500 Proxy Error</title> </head><body> <h1>Proxy Error</h1> The proxy server could not handle the request <em><a href="/AdaptivePayments/Pay">POST /AdaptivePayments/Pay</a></em>.<p> Reason: <strong>Error during SSL Handshake with remote server</strong></p><p /> </body></html> [response] => Array ( [code] => 500 [message] => Proxy Error ) [cookies] => Array ( [0] => WP_Http_Cookie Object ( [name] => X-PP-SILOVER [value] => name=SANDBOX3.APIT.1&silo_version=1880&app=adaptivepaymentspartaweb_api3t&TIME=2195036247&HTTP_X_PP_AZ_LOCATOR=sandbox.slc [expires] => 1469635722 [path] => / [domain] => .paypal.com [secure] => [httponly] => ) [1] => WP_Http_Cookie Object ( [name] => X-PP-SILOVER [value] => [expires] => 1 [path] => /AdaptivePayments/ [domain] => svcs.sandbox.paypal.com
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