Apple Pay Prerequisites - Merchant Warrior API 2.0

Before implementing Apple Pay on the web, several prerequisites must be met.

You will need to obtain a Merchant Warrior Merchant UUID, API Key and API passphrase. These details will be issued to you when you create your MW account.

All pages that will display the Apple Pay button must be deployed over HTTPS.

Comply with Apple Pay Identity Guidelines and Apple Pay on the Web Human Interface Guidelines to ensure you're displaying Apple Pay properly.

Make sure your customer's device is a compatible iPhone, iPad, Apple Watch or iMac.

Register all domains, including both top-level domains (e.g. example.com) and sub-domains(e.g. store.example.com), that will display an Apple Pay button.

To register a domain for use with Apple Pay, you must do

Host the domain verification file on your server.

Sandbox Domain Association File

Production Domain Association File

Host the file at https://yourdomain.com/.well-known/apple-developer-merchantid-domain-association on your domain(s) that will display the Apple Pay button. Apple will perform the verification automatically. For example, if your domain is https://example.com.au, host the file at https://example.com.au/.well-known/apple-developer-merchantid-domain-association. Make sure the file is publicly accessible or exclusively accessible by Apple Servers listed in Whitelist Apple IP Addresses for Domain Verification.