You must enter your LOX24 account data in Bitrix24 to link both services:

Sender ID: any phone number in international format (e.g. +1761324454) or a text with up to 11 characters without any special characters (only Latin, e.g. Test Sender).

Service ID: Defines whether you send Pro or Direct. You can find the Service ID in your web account in the dashboard. This value is different for each customer.

Encoding: If you only send SMS with GSM characters, select SMS ( ). If you need other characters, you must select UTF-8.

Login: Your customer number. You also use it for login at

Password: This is the API key in V1 and not your account password. You can find it under Settings and API Settings.