No.
One of the benefits of PayUp Jack is that your friends (the Payers) DO NOT have to sign-up to PayUp Jack; you just need their valid email address.
We’ve made it simple and easy for Social Organizers to get THEIR money! Your friends will receive a secure email with a link to make payment; then the Payers will select the link and make the payment with a Canadian Issued VISA credit card or Visa debit card or a Debit card on the “Plus” Network (check on the back of the card).