Synq Docs
Errors

Passkey exists

The `passkey_exists` error: HTTP 409 Conflict.

The person already has this passkey here (the account API).

FieldValue
codepasskey_exists
status409 Conflict
titlePasskey exists

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_exists. Branch on code, never on title or detail: a code never changes once it ships, while the words may.

{
  "type": "…/errors/passkey_exists",
  "title": "Passkey exists",
  "status": 409,
  "code": "passkey_exists"
}

See every error code.