Playing the WSOP with a credit card
I was surprised that WSOP entry fees can be paid using a credit card
From
https://www.wsop.com/registration/
"
Wire transfers and credit/debit cards/TBIC remain payment methods for online registration, with all transactions coming with a $3 per event additional fee and credit/debit cards adding 2.95%/3.95% depending on the card issuer. Credit cards are charged an additional 2.95% fee to use this method of payment. (Fees for American Express are 3.95%)."
If/when you place or cash out, then I assume you're still being paid in chips or cash and not a credit to your credit card. 2.95% is comparable to Plastiq, with the added benefit that you're getting cash (if you win).