How about zap request kind 9733 with "cashu" tag consisting of valid token? 9733 doesn't need "lnurl" or "amount" tags.
Once redeemed, the 9735 event can have an optional "cashu" tag of redeemed token. Not really a proof a payment but shows that a legit token was generated.
Tim Bouma
npub1q6m…x7d5
2024-06-23 14:33:49
in reply to nevent1q…aaah
Author Public Key
npub1q6mcr8tlr3l4gus3sfnw6772s7zae6hqncmw5wj27ejud5wcxf7q0nx7d5Seen on
wss://relay.noswhere.comPublished at
2024-06-23 14:33:49Event JSON
{
"id": "e7800de739ba82c04f3c824f5afd5b97b3826d043e9e1eaf97bd2e0976afe0ef",
"pubkey": "06b7819d7f1c7f5472118266ed7bca8785dceae09e36ea3a4af665c6d1d8327c",
"created_at": 1719146029,
"kind": 1,
"tags": [
[
"e",
"7cf9edf2f1c10e27b7c0dc7f27e012dd2a2b2936207a3f7a3360cb657b760ee3",
"",
"root"
],
[
"e",
"7209c5fb95443f6af8b38e9c578e3eb8ffd5c0dd6e8f51dde840f6cbc5c6b528"
],
[
"e",
"220fc8b1605c8bb67aad3e3942cd0862337698d4c9ef68518201b8d9f63c20aa",
"",
"reply"
],
[
"p",
"fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52"
],
[
"p",
"460c25e682fda7832b52d1f22d3d22b3176d972f60dcdc3212ed8c92ef85065c"
],
[
"p",
"06b7819d7f1c7f5472118266ed7bca8785dceae09e36ea3a4af665c6d1d8327c"
],
[
"p",
"7adb520c3ac7cb6dc8253508df0ce1d975da49fefda9b5c956744a049d230ace"
]
],
"content": "How about zap request kind 9733 with \"cashu\" tag consisting of valid token? 9733 doesn't need \"lnurl\" or \"amount\" tags. \n\nOnce redeemed, the 9735 event can have an optional \"cashu\" tag of redeemed token. Not really a proof a payment but shows that a legit token was generated. \n\n\n",
"sig": "3f2911a938406caa8cf761e04794ed7dc87764be1204a708a42cb76db7a3a6cc062bd5f07a231eaa237b068021801dd571b9e5a807214aa1d2fbcc109a125cc6"
}