Check this list ----> https://github.com/alexk111/awesome-bitcoin-payment-processors
The best options are as indicated by others is BTCPay Server, but you need some technical knowledge, otherwise, you may loss all your money.
Using Hosted Payment Processors that need KYC is not a bad idea as long as you run a real business and try to get the largest number of users, the volatility of Bitcoin will be disastrous at the expense of revenues and expenditures.