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    Error: Unable to get Postback response from Paya Exchange gateway

    Description

    I am unable to get a Postback response from the Paya Exchange gateway.  What can be causing this to happen?

    Resolution

    There may be an issue with your domain's SSL Certificate .  You can use an SSL Checker or Validator to see if your domain has an SSL.  This site may be helpful http://www.geocerts.com/ssl_checker (this is not a Paya site. It is not hosted by Paya) to validate SSL.

    If you are getting the error: ‘The remote server returned an error: (500) Internal Server Error.’  This means that our server is not able to complete the postback because of an error on your end.  Could be a security/firewall setting of some kind – you could speak to your system administrator who could look at the server log to find out why they cannot accept the postback.  Below is a workaround that may be able to help.

    • Turn off Request Validation on your Response Handler page.

    In case this helps .Net Developers who are running an ASP.Net 2.0 webapp - Add ValidateRequest="false" in the Page declaration.

    If you have questions or require additional information, please submit a ticket and we will be in touch with you shortly.

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