nonce_reused
The JWT nonce has already been used (anti-replay protection).
| HTTP | code | Retryable? |
|---|---|---|
| 401 | nonce_reused | yes |
When it happens
You resent a JWT that was already seen, or generated the same nonce twice within the retention window.
How to resolve it
Generate a unique nonce per request (for example a UUID v4) and re-sign.
Example
{
"type": "https://docs.skipo.com/errors/nonce_reused",
"title": "Nonce already used",
"status": 401,
"code": "nonce_reused",
"retryable": true,
"detail": "The JWT `nonce` has already been used (anti-replay protection)."
}
Back to the error catalog · See the error format.