If you mean payments for when you are selling something on your site, then yea BitPay is one option(even though I hate paying through BitPay). An alternative is BTCPay[1], though I really don't know which is better. Proceed with caution as I really haven't tried implementing either on a website myself.

If you mean for donations, then you can simply add in a wallet address and a QR code somewhere on your site.

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[1] https://btcpayserver.org/