Hi, I'm very new to this Sandbox issue, and therefore have never used it. I want to start selling online and I have created a site using Opencart, but I want to test that it is capable of accepting card payments. I have no idea how to do this but I understand that I need to setup a sandbox account to do so. I have spent days trawling through all kinds of information and I am no clearer on how to do this now than when I started. I have been navigating as best I can through this forum too, and can't quite seem to find the information I need. I would appreciate some help here. Thanks in advance 🙂
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