I've had decent luck with BetOnRed tbh. Won $1500 last month on Sweet Bonanza and got paid in about 36 hours. Had to send in some extra verification docs but nothing too crazy. That said, there are definitely more reliable options out there if you're concerned
Just had a $5k payout from spin casino this week, took 4 days but landed in my bank no probs! Been with them 3 years, mostly play pokies and live blackjack. Their app works mint too