I also use lnurlpay service by nostr:npub1vp8fdcyejd4pqjyrjk9sgz68vuhq7pyvnzk8j0ehlljvwgp8n6eqsrnpsw 
You can add the lightning address like mine: 
https://www.lnurlpay.com/marcelo@walletofsatoshi.com and generate a dynamic invoice