Hey Guys, So I have this scenario where my app's users may be buyers or have their own virtual stores as sellers. I notice paypal integration requires all sorts of credentials such as paypal account, sandbox account, passwords, email, client ID, token, secret ... Those are kind of confusing to me. For sandbox testing purpose, which of these credentials should the app require for the seller users to register at their receiving method input. Which of these should be internal app's config only. And I assume buyers should only input their account and password (in my testing case, sandbox buyers and sellers). Does my question make any sense? My english is kind of rusty.
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