Post by ThumbRC » Tue Dec 29, 2015 3:50 am

I received this email from PayPal. All of my online orders are now filed as missing orders. Once a customer pays for his order, PayPal is not communicating with my site. The payment does go through fine. Can someone help me with this?

Hello Renea Claerhout,

Please check your server that handles PayPal Instant Payment Notifications (IPN). IPNs sent to the following URL(s) are failing: ... d/callback

If you do not recognize this URL, you may be using a service provider that is using IPN on your behalf. Please contact your service provider with the above information. If this problem continues, IPNs may be disabled for your account.

Thank you for your prompt attention to this issue.


Email me please:



Tue Oct 13, 2015 9:12 pm

Post by ostechnologies » Wed Dec 30, 2015 12:59 am

We are happy to assist you. Please contact us via email manish[at]

Opencart Expert | sales[at]
Skype - manish.osuniverse | Gtalk - manishmt

Extensions for Opencart @ ... extensions - ecommerce website design, development and digital company

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Mon Apr 06, 2015 1:30 pm

Post by RIKSOF » Thu Dec 31, 2015 2:13 pm

Hi, This is something we have expertise in and would love to collaborate on. Where can I reach out to you for details?

RIKSOF is an agency, based out of Karachi, delivering custom mobile and web application development services to customers in the United States, United Kingdom, Ireland, Sweden, United Arab Emirates and Saudi Arabia. Our biggest strength is the team's track record of taking projects past the finish line under any circumstance.

Skype: sales.riksof

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Wed Sep 23, 2015 7:07 pm

Post by paulfeakins » Tue Jan 05, 2016 7:56 pm

This is quite a common problem: ... owing-ipn/

It's often caused by having the wrong address in PayPal or your hosting company blocking the callback request.

For quick, professional OpenCart support please email

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