Thanks for all the feedback.
I have an incentive-based site, users do surveys and I pay them in crypto.
So it is a CPA website?
What CMS do you use from your site?
Are you using WordPress?
BTCpay is the best option to this check the link below.
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https://docs.btcpayserver.org/PullPayments/You don't need any 3rd party service it is safer and open-source than using APIs from other wallet. Check the documentation from the link above.