Here's the proof:
$ curl https://threads.net/.well-known/webfinger\?resource=acct:mosseri@threads.net
{"subject":"acct:mosseri@threads.net","links":[{"href":"https://www.threads.net/ap/users/mosseri/","rel":"self","type":"application/activity+json"}]}
ActivityPub
스레드에서 주워온 코드인데....
연결에 도움이 되려나요?