401 Unauthorized JSON response example

Last updated 2026-05-20

Example JSON

Returned by any auth-protected endpoint when no/expired token is sent.

{
  "status": 401,
  "error": "Unauthorized",
  "message": "Authentication required",
  "code": "auth_required",
  "authenticateHint": "Bearer realm=\"api\""
}

Request examples

const res = await fetch('https://jsonexamples.com/http/401/Authentication+required');
if (!res.ok) {
  const err = await res.json();
  console.error(res.status, err.message);
}

Try the live endpoint

Click below to call /http/401/Authentication+required from your browser.

GET/http/401/Authentication+required
{
  "hint": "Click 'Run' to call the live endpoint"
}

Common variations

Expired-token variant
{
  "status": 401,
  "error": "Unauthorized",
  "message": "Access token expired",
  "code": "token_expired"
}

Convert this JSON

Generated starting points for TypeScript, JSON Schema, and Zod. Refine before shipping to production.

export interface 401Unauthorized {
  "status": number;
  "error": string;
  "message": string;
  "code": string;
  "authenticateHint": string;
}
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