calle 👁️⚡👁️ on Nostr: Sounds possible but also complicated, you'd have to tap into the sender and receiver ...

Sounds possible but also complicated, you'd have to tap into the sender and receiver LN nodes for the custom keysend stuff.

It would be much easier to buy ecash from a mint the receiver likes and send them the ecash while listening to the pod. You could do that every second and have the payment always and immediately succeed.