Leave like that if you are not sure about group of your payment method and let Paxful decide it afterwards.
Any store gift cards like Target, Amazon, BestBuy, GameStop and all others. Pay attention that here belong also non-reloadable prepaid gift cards like VISA, Mastercard or AmEx such as OneVanilla or Target VISA. Any other prepaid card that is reloadable belong under debit/credit cards or in case they have own internal transfers, they belong to online transfers.
Bank cash deposits, Western Union, MoneyGram and any other remittance services where bitcoin buyer actually has to go to branch and deposit cash to seller's account.
All debit, credit and reloadable prepaid cards that are processed by payment processors by inputting card number, expiration date and so on. Here DO NOT belong non-reloadable prepaid gift cards like OneVanilla VISA, Target VISA gift card and any other non-reloadable cards.
This one is huge. Anything that is about purely online transfers between buyer and seller with such online wallets like Paypal, Google Wallet, OKPay, Serve to Serve, or other online transfers like SEPA and any other online bank transfer to name a few. As the chargeback risks are big, usually ID of buyer is asked.