hello sir/ma , I can create your complete your coinpayment payment gateway API in few hours. I have good experience using coinpayment ma/sir, I can show you proof of works sir ,
i discovered that you want to get crypto deposit address and qr code for crypto through API and also run some confirmations on transactions made to the provided address, kindly chat me up sir, I have experience in your request sir and will deliver you a good api functions sir.
thanks for reading