MOBILE: Paying an Invoice with GlobalOnePay/Nuvei STEP 1: Tap on Invoice List. STEP 2: Tap on the invoice you want to pay: STEP 3: Tap on Pay. STEP 4: Tap on GlobalOnePay. STEP 5: Tap Pay. STEP 6: Tap Enter Manually Here: STEP 7: Enter the credit card information and tap Pay. The invoice has been marked as paid. Have more questions? Submit a request 0 Comments Please sign in to leave a comment.