Where can I find the appid, merchant number and applet key of WeChat applet?

Log in to the WeChat public platform, click on the function bar on the left-WeChat Pay, and you can see the merchant number in the merchant information.

AppiD:

Log in to the applet background and click the function bar on the left. Development? —? Development settings, you can see AppiD.

Please click to enter a picture description.

Key:

1. Log in to the WeChat merchant platform and click API Security in the function bar on the left;

2. Then install the operation certificate and click Set Key;

3. After the prompt pops up, click OK;

4. Set a new key as needed, verify the phone, and then click OK. The key is long, please keep it properly to prevent it from being forgotten. )