HTTP 401 · problem type

`unauthorized`

Unauthorized.

The request has no API key, or the key is not valid.

What to do

Send the key as Authorization: Bearer lsk_live_… (or lsk_test_… for the free fixture engine). A replaced key stops working at once.

{
  "type": "https://linkspect.com/problems/unauthorized",
  "title": "Unauthorized",
  "status": 401,
  "detail": "…",
  "instance": "/v1/checks"
}