payment-gateway

up the pay-pal advance in magento . I have fill all the credentials in magento admin . BUt when i go to frontend and click pay-pal button it gives PayPal gateway has rejected request. Security header is not valid (#10002: Security error i have googled a lot and found some suggestions like Remove API Username, API Password and API Signature from Admin->configuration->Paypal->API/Integration Settings. clear cache and test again i have tried all these but it still gives the same error. Please suggest me what can be the issue Vimalnath The Security header is not valid error is only caused for two

I am trying to integrate CCAvenue payment integration in iOS. They have given me two library files named: libcrypto.a and libssl.a They have also given me some header files. To implement this, they have mentioned that I should to setup header search paths and library search paths in the build settings. I have set them both but I getting the following error: ERROR : openssl/rsa.a file not found. Can anybody help me step by step with copying these files to my project and setting up the proper path and flags if needed? I am working with Xcode 7.0.1 and iOS 7.0+ I have achieved today only for IOS

So this question isn't about integrating an existing payment gateway into my site. This is more of a architectural question. I want to build a system similar to Paypal. Now I understand that Paypal offers a lot of features under the roof and I can't implement all of them at once. I want to implement the core functionality of Paypal and other such services. So my question is (rather discussion is) around how would one go about building such a system. Some points to discuss: Handle payments through existing banks. I am guessing that I would need access to local bank protocols to get this. Allow

I need to add a credit card fee % based depending on what payment method the customer selects at the shopping cart in WooCommerce. This needs to be added to the shopping cart total so that it sends the total amount including the fee to the payment gateway. For example if the shopping cart total was £100. If the customer selects 'Credit Card' payment I would like to add 2% to the transaction making the shopping cart total £102. This amount would then go to the external credit card provider for processing as the actually card processing is handled by them (WorldPay_). I would also like to add a

I have a list of products that I'd like to add a "pay now" button to so that I can allow my customers to pay via Paypal. I've gone through the documentation and can't find how to do this. I can add multiple items, but this is not going to be handy as I already have the list of items to process. I also need the checkout process to itemize the order, so a "buy now" with 1 price is no good either. Any help appreciated guys, I tried (with no luck): <form target="paypal" action="https://www.paypal.com/cgi-bin/webscr" method="post"> <input type="hidden" name="cmd" value="_cart"> <input type="hidden"