Surface: Authentication API · application/problem+json Type URI: https://docs.zeroset.com/problems/invalid_token Code: invalid_token HTTP status: 401

The bearer token was missing, malformed, expired, or no longer accepted.

Resolving it

Refresh the session and retry with the new access token.

Response shape

{
  "type": "https://docs.zeroset.com/problems/invalid_token",
  "title": "Invalid token",
  "status": 401,
  "code": "invalid_token",
  "detail": "a human-readable explanation"
}

Every field is required. Clients must reject an authentication problem whose type is not exactly the expansion shown above — the Nebula SDKs do.