Pay Invoice Pay your Invoice with a Credit Card through Paypal 1. Simply enter the invoice number below and click the pay now button. 2. You will be directed to the paypal website where you can either sign in as a paypal user or simply use your credit card as a guest. Thank you Enter Invoice Number Sunrise Window Cleaning uses Paypal to process our online payments. Paypal is the safest way to send and receive money online and can be used by anyone with a credit card or Paypal account. All transactions are 100% secure.