Sign in to your iOS Provisiong Portal
Goto Identifiers → Pass Type ID and there you will find a button to create a new Pass Type ID
After you have created a new Pass Type ID, select it at press Edit and then Create Certificate and follow the Pass Certificate Assistant which will guide you trough the process of creating a key and a certificate request
Once you've completed the Pass Certificate Assistant, your certificate will be ready within some seconds. Select Download to save the certificate on your Mac. Simply open the file to import it into your keychain
You can now use your pass certificate to create your custom passes with the help of our service.
Check out howto export your pass certificate to use it with our service.