When there is an issue with the key and the authentication fails, the response is generic and doesn't give any context on what project it relates to.
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In RequestException.php line 113:
  Client error: `GET https://localise.biz/api/auth/verify` resulted in a `401 Authorization Required` response:
  {
      "status": 401,
      "error": "Invalid API key"
  }
download [<project_names>...]