You have to use Satoshi Wallet instead of muun in order to get a permanent LN URL.
Permanent LN URLs look like this…
focusedbracket91@walletofsatoshi.com
Stu / ⚡️🌱🌙
npub1w4…zprhz
2022-12-25 02:10:52
in reply to nevent1q…4jne
Author Public Key
npub1w4swqedal6gcw23ndd93tkkdy3zj2l6zjdjvzrhu8rnw0k8lc8lswzprhzPublished at
2022-12-25 02:10:52Event JSON
{
"id": "a92f64b3c4f3b24d7623ac977098d92ae41da6dff82a8bcc2f7ef78693fd3b0c",
"pubkey": "7560e065bdfe91872a336b4b15dacd2445257f429364c10efc38e6e7d8ffc1ff",
"created_at": 1671934252,
"kind": 1,
"tags": [
[
"e",
"8d8b0ff25ba76f915da0dedd5f0d6d9da303d826de280ba195dbb4203e35b415"
],
[
"e",
"63b8e866866b2db20079475e4971c908594ac650d6efd77550c3703ead3e1860"
],
[
"p",
"edcd20558f17d99327d841e4582f9b006331ac4010806efa020ef0d40078e6da"
],
[
"p",
"d220c7513b205d394d18eca20b9fc33d6f573006b6d1bafb7673891728abdee6"
],
[
"p",
"392316041be345b2bac5c4d1f44c7701385d62bfaac742d94273d10a6434eaac"
],
[
"p",
"e2f28c1ac6dff5a7b755635af4c8436d2fec89b888a9d9548a51b2c63f779555"
]
],
"content": "You have to use Satoshi Wallet instead of muun in order to get a permanent LN URL.\n\nPermanent LN URLs look like this…\n\nfocusedbracket91@walletofsatoshi.com",
"sig": "a228e52472671573b9cb507b6af5b7214b814a3c65c5772988adc35140f5e85bc5e6c33b31428d5a155b8ac21ee28d8c24507fe9d844af14e51eebabe55b3c92"
}