payment method.

You can use a Visa or Mastercard credit card (including prepaid), or a Visa Debit card to pay for your Fizz plans.

Other cards such as debit cards, American Express (Amex), Dinners, and others are not accepted. Foreign credit/debit cards are also not accepted. You also cannot use the funds from your Fizz Wallet to pay for your monthly plan.

Source: https://fizz.ca/en/faq/what-payment-methods-can-i-use

Some users have done koho is an online prepaid credit card

If you don’t have credit card, you can request a visa debit card from your banking institution.
they should not reject your request. This card even exists virtually.
this card would be accepted by Fizz as a means of payment