Merchant - receiving btc, sending pm, advcash - where to find?

Question

Fintech

Hello, tell me if there is a merchant with api that eats the amount + bitcoin address and gives users the opportunity to pay using other payment systems ??
From the merchant, I must receive the specified amount to the specified address

Answer 1

https://cryptopay.me/accept-bitcoins

Answer 2

there are none, since this is the withdrawal of money into the black, and this is not legal