Rorallo.
These days, there are many possible ways to communicate Bitcoin payment instructions. QR Codes, BIP 3/21 bitcoin: URIs, lightning: URIs, LN-Address, BIP 353 HRNs, loose addresses, lighting BOLT 11/12 invoices/offers and all kinds of ways to communicate those.
Here's a simple parser to help you figure out your options: https://docs.rs/bitcoin-payment-instructions/latest/bitcoin_payment_instructions/ (early version, hope to add more later!)
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