Paypal - going to LIVE payments
				
				
                
                    
                    
                
                
                    
						
                
                
                    Hi everyone ! 
So, I have Sandbox functioning OK.  
Everything is set up ready to go live with Paypal on my Classipress site (Classipost child theme), but....
What API permission is applicable to Classipress and exactly how do I proceed from here, please ?
1/  3rd party platform ( Magento / Shopify / built in )   Which requires entry of a : "Third Party Permission Username"
2/  Braintree SDK 
3/  NVP / SOAP  
Any & all advice is very, very welcome ! 
Thanks in advance folks.