All Payment-gateway related Questions

i am integrating Paypal and i am not getting any query string at success url i set return url like this return_url' => 'http://mydomain.com/success.php',

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i am doing Knet Payment Gateway integration at web. it is working but dont know how to integrate with Android ? any idea ?

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i don't find much documentation for integration of Knet payment gateway . so is there any help regarding the Knet Payment Gateway i am trying to integrate with PHP

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at code i have following in short i getting error like Merchant Response URL Invalid instead of getting redirection URL for payment processor

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