# two_factor_required

HTTP 403 · Requests and sign-in (SPEC §15.3, §20.1)

Finish signing in with your second factor: the code from your authenticator app, or your passkey.

## Does retrying help?

Not as it is. Change the request as the message says, then send it again.

## The response

Every Flatstack error has this shape. `details`, when present, says more about this case.

```json
{
  "error": {
    "code": "two_factor_required",
    "message": "Finish signing in with your second factor: the code from your authenticator app, or your passkey.",
    "docsUrl": "https://flatstack.dev/docs/errors/two_factor_required"
  }
}
```

[All error codes](/docs/errors)