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Step 1: Obtain an Wechatpay account.

You should have a WechatPay merchant account before following this tutorial.
If you don't have a merchant account, you should apply for one from the WechatPay offcial website. Contact WechatPay support directly when you meet some issues.

Visit WechatPay ( International business click here ) website and apply the Qrcode Payment. you will need to input your email address and then verify it, setup your login password and pay password. You'll get Mchid and Appid in the open mail.

You need to login to the merchant's account and setup the Apikey.

You will need to prepare WechatPay Mchid , Appid and Apikey. Follow this tutorial after you get them.

Step 2: Install WechatPay App.

1.Please click WechatPay App , Enter your shopify store to install the App

Install WechatPay App

2. Install WechatPay

Install WechatPay

3. Approve charge

Approve Charge

4. Open WechatPay

Open WechatPay

Step 3: Set your information at WechatPay App and Shopify Store background.

Input your MchId , AppId and Apikey in Wechat and choose the country and currency when you apply, Save .

Please click here Click here to install the Wechatpay gateway.

Then visit your Shopify Store background, Input your Shopify Gateway key and Gateway Password in Shopify Store background and Save.

WechatPay And Shopify Set

Step 4: Try WechatPay Checkout.

Go Through Order Proccess, At checkout step

Alipay-Payments checkout

Step 5: Check Transaction History.

You can check your transaction through your WechatPay App background

Alipay-Payments checkout

Step 6: FAQ.

FAQ

Step 7: How to uninstall the WechatPay App, If you don't want to use and termination of the monthly fee.

How to uninstall the WechatPay App