Take payments with WeChat Pay

This guide explains how to let users pay for your Casdoor products with WeChat Pay. Casdoor supports Native payment, with a QR code, and JSAPI payment, inside the WeChat app.

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Learning outcomes

• Get the API key, the certificate, and the IDs from WeChat Pay.
• Add WeChat Pay as a payment provider and add it to a product.
• Turn on payment inside the WeChat app.

What you need

• A WeChat Pay merchant account. See Preparation before access.
• A product in Casdoor

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Get the credentials

1. On the WeChat Pay merchant platform, go to Account Settings > API Security > Set APIv3 Secret and copy the API key v3. See APIv3 key settings.

   

2. Go to Account Settings > API Security > API Certificate and download the merchant certificate. Note its serial number and its private key.

   

3. Store the certificate on the Certs page of Casdoor.

   

4. Note your merchant ID and your App ID.

Add the provider in Casdoor

1. In the Casdoor admin console, go to Identity > Providers and add a provider.

2. Set Category to Payment and Type to WeChat Pay.

3. Fill in the fields:

   Casdoor field	Value
   Client ID	Merchant ID
   Client secret	API Key v3
   App ID	App ID
   Cert	The Cert above

   

4. Save the provider.

Add the provider to a product

Add the provider to the Payment providers of the product and save it.

Pay inside the WeChat app

For JSAPI payment, users sign in with WeChat in the built-in browser of the WeChat app and then pay there. Configure a WeChat OAuth provider for the same official account as the payment provider, and add both to the application.

See also

• Payment providers