1. Log in to the WeChat Merchant Platform
1. Merchant platform login URL:
2. Login method: scan code to log in
2. Enter the WeChat merchant platform to download the certificate
1. Click Account Center – Account Settings – API Security – Apply for a Certificate, as shown in the figure below:
2. Click "Download Certificate Tool", download and save to the desktop (pay attention to the saved path, create a "certificate" folder on the desktop)
Click the downloaded certificate tool to install
3. After the installation is complete, there will be a green icon program, click to open the certificate tool to start downloading the certificate.
4. Click Apply for Certificate
5. Fill in the merchant information – click “Paste” (if you can’t paste it, go to the account center – check the merchant information <as shown below)
6. Copy the request string of the certificate tool and paste it to the merchant platform
7. Set the operation password, (if it has been set, just fill in the password)
8. After filling in the operation password – copy the certificate string
9. Paste the certificate string and click Next
10. The application for the certificate is successful, click to view the certificate folder
11. After the certificate is successfully downloaded, the default save path is: WXCertUtil–cert, find the compressed package and decompress it–file name apiclient_cert.p12
