Authorization occurs using a unique API key that you can obtain on your personal account. Take the following steps to get your personal API key and authenticate an API request:
Note that you must be logged into Youproxy to proceed. To log in, click the Log-in button in the header menu. After that, the Personal account button will appear in the menu.
Header menu
In the personal cabinet that opens, click API in the left menu. On the API page, copy your API key: