Bitrix CRM how to link a form from a site to crm?

Question

PHP

Good afternoon! I am attaching a script for processing the form and entering the lead into Bitrix crm. The script is taken from here www.bitrixsoft.com/download/scripts/rest.php in the login I enter my email and password, and the form is not sent, the error 'error':'403','error_message':'Incorrect login or password' is correct register authorization?

Answer 1

Is soap exactly used as a login?