I am trying to do a integration with the api, i have a form in my web, this form was developed by my with html, bootstrap and validations with jquery.

Another function is when is submited the form this send the information to php, and then is sended a email, so i want that in this process after send the mail, do a conection with the crm and that this values will be saved in the crm, but i am trying to do the authentification, but i have problems to do that, and in your documentations is not so clear about that, and how i can persist the token form much more time.

Could you help me please, hope that my explanation was enough.

Grettings.