credit card processing paypal

Looking to incorporate paypal - x NVP "c" code application to receive credit cards.? The processes are: Directpay -- authorize ad pay (charge cc) Authorize only -- first step to authorize Capture -- second step to authorize refund/void -- reverse credit card charges The code will be inserted into our standard invoicing process.? The program must return a paypal tracting number; so as to verify and reconcile activity. We are looking for experts with Credit Card processing!!! ## Deliverables Need ASAP!