A micro channel message push
1. To understand the micro-channel
- Public number - Certified Public number - Service number - Certified service number - Enterprise Based: micro-channel service number certification initiative to push the micro-letter messages. Premise: Focus on service number Environment: sandbox environment
Sandbox environment geology: https://mp.weixin.qq.com/debug/cgi-bin/sandboxinfo?action=showinfo&t=sandbox/index
![](https://img2018.cnblogs.com/blog/1760766/201910/1760766-20191022144431805-1269493756.png)