Apple Pay onboarding

Step 1: Create a merchant account and merchant ID

1. Log in to your Apple Developer Account.
2. Go to Certificates, Identifiers & Profiles.
3. Go to Identifiers, then click the + button.
4. Choose Merchant IDs as the identifier type, then click Continue.
5. Enter a description and a merchant ID in the format: merchant.com.mycompany.mystore.
6. Click Continue then Register to confirm.

Your list of identifiers is updated to include your new merchant ID. Copy this to your clipboard.

Step 2: Download the CSR from the Unity Portal

1. In the Unity Portal, go to Merchant setup > Merchant groups.
2. Select a merchant group.
3. In the Services tab, click Edit next to Apple Pay service.
4. Click Provider authorisation settings.
5. Enter your Apple merchant ID and click Register ID.
6. Click Download CSR file and save the .csr file locally.

Step 3: Create a mechant identity certificate (.PEM)

1. In your Apple Developer Account, go to Certificates, Identifiers & Profiles.
2. Go to Certificates, then click the + button.
3. Choose Apple Pay Merchant Identity Certificate, then click Continue.
4. Select the merchant ID you created earlier, then click Continue.
5. Upload the CSR file you downloaded from the Unity Portal, then click Continue. Your certificate is generated
6. Click Download and save the .cer file locally.
7. Convert it to .p12 format:
   1. Double-click on the .cer file to open it in Keychain Assistant.
   2. Right-click to export.
   3. Save this .p12 file.
   4. Skip the password.
   5. Enter your system password to authenticate and complete the export processing.
8. Export your .p12 to .pem via openSSL command:
   % openssl pkcs12 -in <filename>.p12 -out <filename>.pem -nodes  

9. In the Unity Portal, upload this file under Merchant identity certificate (.PEM).

Step 4: Create a payment processing certificate (.CER)

1. In your Apple Developer Account, go to Certificates, Identifiers & Profiles.
2. Go to Certificates, then click the + button.
3. Under Apple Pay, choose Payment Processing Certificate and click Continue.
4. Select your Merchant ID, then click Continue.
5. Upload the same CSR file from the Unity Portal, then click Continue.
6. Download the generated .cer file.
7. In the Unity Portal, upload this file under Payment processing certificate (.CER).

After both certificates are uploaded, your Apple Pay setup with PXP is complete.