i don't think so, invoices are generally quite large...
on alby or alby hub it can generate them and they could be printed out but they expire in like an hour
but a qr code that just has a LN address like mine mleku@getalby.com would be durable for later, needs to have some protocol spec in front, idk what it is... maybel lnurl://mleku@getalby.com
Most apps register to handle `lightning:` or (better) BIP-21 `bitcoin:` links.
That being said, wouldn't it more sense to GIVE people sats when you want to onboard them instead of having them pay an invoice?
👀 https://lightsats.com
No, it's an invoice I would create that would pay them a certain amount once scanned, I'm giving them sats. That's the idea anyway.
Scan this QR code with your wallet for 1000 sats or whatever.
Lightsats is great if you are giving sats. I’ve used it before to gift sats and it worked without issues. I believe it generates a QR code that you could print but also gives a URL that can be sent by email etc to claim the sats. From memory it has an expiration of a couple of weeks (this may have been configurable) and you get the sats back if not claimed within that time.
You can't withdraw money from an invoice, an invoice can only be paid. For that purpose you need LNURL-withdraw. (check out lightsats, LNBits, etc)
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