Some nodes/wallets have a bootstrapping feature to open a direct.connection so they can fetch an invoice when they can't find a route for an onion message. But yeah, it would be great to see wider adoption.

thanks for this info, not seeing any that have these bits supported at least when putting in some nodes on mempool.space

ThatWhichisNotSeen

 in order to relay the offers, which is just the messaging layer, not the payment.  In order to pay to them (once they've fetched the offer), you generally want a peer that also supports 

 so that it can act as a fronting node for your invoice because bolt 12 uses blinded paths by default.  Route blinding should be widely supported at this point though.

lightning

Lightning Nodes that Support Onion Routing: How to identify ?

You're looking for bit 38/39 `option_onion_messages` from [bolt-9 assigned-feature-flags](https://github.com/lightning/bolts/blob/master/09-features.md#bolt-9-assigned-feature-flags) in order to relay the offers, which is just the messaging layer, not the payment.  In order to pay to them (once they've fetched the offer), you generally want a peer that also supports `24/25, option_route_blinding` so that it can act as a fronting node for your invoice because bolt 12 uses blinded paths by default.  Route blinding should be widely supported at this point though.