Sign in first

HTTP 401 · auth-required — ← all Webpath errors

The operation needs a signed-in account or a key, and none was presented.

How to recover. Sign in at /login with an email one-time code (or send a key), then retry.

Example response

{
  "type": "https://muse.as/a/webpath/errors/auth-required",
  "title": "Sign in first",
  "status": 401,
  "detail": "Sign in at /login with an email one-time code (or send a key), then retry."
}

This page documents the auth-required error type returned in Webpath RFC 7807 application/problem+json responses. The machine-readable detail field carries a recovery hint you can show a user verbatim — see the Spec §12 and API Reference.