Creating an Apple Developer merchant ID.

CAUTION:

You must have an account with Apple Developer to create a merchant ID.

Login to Apple Developer.
Go to Certificates, Identifiers & Profiles.
Click on the Identifiers tab.
The identifier management page opens.
Click Merchant IDs in the App IDs list.
Then click on the + icon to the right of Identifiers
The merchant identifier registration page opens.
Check the Merchant IDs radio button then click on Continue.
The merchant identifier entry page opens.

We recommend that you create two separate merchant IDs, one for your test environment and one for production.
Enter your merchant ID in the Identifier field.
You must choose your own ID according to Apple’s recommendations.

Example: merchant.com.mycompany.demo if it is your test account.
Fill in the Description field if you wish.
Example: merchant id demo if it is your test account.
Click Continue to complete.
Your identifier is created. Contact the E-Banking Merchant Support Service to receive your merchant ID.