Web authentication API
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Category: Internal API
Factorio's Web Authentication API endpoint gives you a token in exchange for your username and password, which is used by several other Factorio web API endpoints. The authentication endpoint is located at:
https://auth.factorio.com/api-login
Authentication requires sending an HTTP POST request with these parameters:
| username | Required. | Account username or e-mail. |
| password | Required. | Account password. |
| api_version | (Technically) not required. API responses will be different than described on this page when not set to 4. | Currently 4. |
| require_game_ownership | Not required. | If set to 'true', will fail authentication if the user account hasn't actually purchased Factorio. |
| email_authentication_code | Not required. | If a previous login failed with email-authentication-required, email authentication can be completed by including the code sent to the user via mail.
|
This endpoint always returns JSON encoded data. If authentication was successful, it will return an HTTP status code of 200 with a JSON object:
| token | Auth token is a hexadecimal encoded byte string |
| username | The username of the logged in user. |
On non-200 status codes, the response can be JSON encoded and provide more details about the problem:
| error | Error codes like login-failed or email-authentication-required
|
| message | A more detailed error message that can be shown to the user |
Clients causing a lot of errors like login-failed will be rate limited.