# email_taken

HTTP 409 · End-user sign-in (SPEC §7)

An account with this email already exists. Sign in instead.

## 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": "email_taken",
    "message": "An account with this email already exists. Sign in instead.",
    "docsUrl": "https://flatstack.dev/docs/errors/email_taken"
  }
}
```

[All error codes](/docs/errors)