Webfinger
https://fedidevs.org/projects/server-apps/funkwhale/webfinger/
Funkwhale supports the Webfinger protocol for discovering the ActivityPub location of a user.
Example request:
The following request queries for test_channel@open.audio
.
GET https://open.audio/.well-known/webfinger?resource=acct:test_channel%40open.audio
Example response:
{
"subject": "acct:test_channel@open.audio",
"links": [
{
"rel": "self",
"href": "https://open.audio/federation/actors/test_channel",
"type": "application/activity+json"
}
],
"aliases": ["https://open.audio/federation/actors/test_channel"]
}