I am using magneto 2 PayPal pro.It alwas shows som authentication error when use credit card. To set it I have created a demo sandbox account , from there I get api user name,api password,api signature.Using this I can set paypal express checkout which is doing well but if I try to set paypal pro it require partnet,username,vendor,password.can you you please help me out that how can I get those details as I have tried all from sandbox account did not got or under stand from I can get those details.It say in many site that username and vendor name are same both are userid but when I am giving it doesn't work.i have tried by giving api username then business account email an password as username , password then my paypal developer site credentials as username and password.Please guide me how to set this all ,from where I can get this details in details.
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