Identity
What a key is and who it belongs to.
Answering this needs no scope, so an integration can always find out what it is holding.
/api/The key's own id and scopes, and the account it acts as. key is null when the caller is a signed-in session on the website rather than a key.
Example response
{
"key": { "id": "...", "scopes": ["catalog.read", "library.read"] },
"owner": {
"id": "...",
"username": "ada",
"display_name": "Ada",
"created_at": "2026-01-04T12:00:00.000Z"
}
}