Webfinger
https://fedidevs.org/projects/server-apps/owncast/webfinger/
Owncast supports the Webfinger protocol for discovering the ActivityPub location of a user.
Example request:
The following request queries for goodnight@nightly.owncast.tv
.
GET https://nightly.owncast.tv/.well-known/webfinger?resource=acct%3Agoodnight%40nightly.owncast.tv
Example response:
{
"subject": "acct:goodnight@nightly.owncast.tv",
"aliases": ["https://nightly.owncast.tv/federation/user/goodnight"],
"links": [
{
"rel": "self",
"type": "application/activity+json",
"href": "https://nightly.owncast.tv/federation/user/goodnight"
},
{
"rel": "http://webfinger.net/rel/profile-page",
"type": "text/html",
"href": "https://nightly.owncast.tv/federation/user/goodnight"
}
]
}