Which sms service to choose for such a task?

Question

SMS

There is an application form. The user enters the data, clicks "send", he (the user) receives an SMS on his phone that the Application has been received. Advise please, service for a similar task?

Answer 1

In a good way, you need to conclude an agreement with service providers.
These are just such offices as:
sms.ru
smstraffic.ru
, etc.
If you need a free option, then you can use bots through Selenium (for example), but I don’t advise doing that :)