Synq Docs
Errors

Passkey rejected

The `passkey_rejected` error: HTTP 400 Bad Request.

A new passkey didn't check out (the account API): its challenge expired or was used, or it came from another origin, or without user verification.

FieldValue
codepasskey_rejected
status400 Bad Request
titlePasskey rejected

Synq's APIs answer errors with a problem document (RFC 9457, application/problem+json). Its type is the address of this page, and its code is passkey_rejected. Branch on code, never on title or detail: a code never changes once it ships, while the words may.

{
  "type": "…/errors/passkey_rejected",
  "title": "Passkey rejected",
  "status": 400,
  "code": "passkey_rejected"
}

See every error code.