https://community.developer.cybersource.com/t5/Integration-and-Testing/authnetcallback-php-where-do-I-find-this-file/m-p/21789#M11844 <P>There is no official "authnetcallback.php" file, but that's probably what your programmer called the Silent Post page. Log into your Authorize.net control panel, go to Settings, and click on the Silent Post link, it will give the URL.</P> Wed, 18 Jan 2012 12:31:28 GMT TJPride 2012-01-18T12:31:28Z https://community.developer.cybersource.com/t5/Integration-and-Testing/authnetcallback-php-where-do-I-find-this-file/m-p/21787#M11843 <P>I'm looking for the authnetcallback.php and I can not find it on our secure server. Where do I find this file? Any help is very much appreciated. -ian</P> Wed, 18 Jan 2012 10:59:43 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/authnetcallback-php-where-do-I-find-this-file/m-p/21787#M11843 thuvaslumo 2012-01-18T10:59:43Z https://community.developer.cybersource.com/t5/Integration-and-Testing/authnetcallback-php-where-do-I-find-this-file/m-p/21789#M11844 <P>There is no official "authnetcallback.php" file, but that's probably what your programmer called the Silent Post page. Log into your Authorize.net control panel, go to Settings, and click on the Silent Post link, it will give the URL.</P> Wed, 18 Jan 2012 12:31:28 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/authnetcallback-php-where-do-I-find-this-file/m-p/21789#M11844 TJPride 2012-01-18T12:31:28Z