Do you know a Service whose api will be able to accept applications from the Landing Page?

Question

Google Calendar

There is a Landing Page with a service order form, you need a service where these requests will come ( POST / GET request ), preferably with an SMS notification.
I wanted to adapt Google Calendar for these purposes, but I was able to figure out the authorization.

Answer 1

Perhaps the feedback form attached to the mail will help you, which in turn sends an SMS alert.