SMS External API Documentation

Overview

This is a technical document for SMS sending API interfaces, providing detailed instructions on how to send SMS messages to users through HTTP interfaces. This document includes interface calling methods, parameter descriptions, status code explanations, and examples for various request scenarios, suitable for developers who need to integrate SMS sending functionality into their applications.

Table of Contents

1. Update Log
2. Interface Description
3. Single SMS Sending
4. Multiple SMS Sending
5. SMS Delivery Status Query
6. Asynchronous Delivery Notification
7. Report SMS Status
8. Appendix
   • 8.1 Java String to Hexadecimal
   • 8.2 PHP String to Hexadecimal