SMS verification code v1.1

Introduction to SMS verification code

Asp.net calls the http interface source code example description:
1. Text SMS verification code and voice SMS verification code just need to modify the file name of the calling interface. It should be noted that the content of the voice verification code is a 4 or 6-digit number.
2. The above is just a simple call example. For the return value, please refer to the official website.
3. Add the picture verification code first, and then obtain the mobile phone verification code. This is mainly to prevent some software from maliciously obtaining the mobile phone number and sending it to others, thus causing a waste of text messages. Of course, there are many methods. It doesn’t have to be this one, and this method may not completely prevent malicious acquisition of software, but it is still relatively effective.