Is there any useful interface for sending mobile text messages?

In fact, there are many companies that make SMS API interfaces

Generally speaking, professional mass SMS platforms do not distinguish between regions, and their business can directly cover the whole country, without having to find your own local one.

In fact, what is important is to look at the price, service and effect delivery rate of the platform

A good mass text messaging platform has a low interception rate, good effect, and a low price if the base is large