Use Apple Pay in apps, App Clips, and Safari on iPhone
You can make purchases using Apple Pay in apps, in App Clips, and on the web using Safari wherever you see the Apple Pay button.
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Pay in an app, in an App Clip, or on the web
During checkout, tap the Apple Pay button.
Review the payment information.
You can change the credit card, billing and shipping addresses, and contact information.
Complete the payment:
On an iPhone with Face ID: Double-click the side button, then glance at iPhone to authenticate with Face ID, or enter your passcode.
On an iPhone with Touch ID: Authenticate with Touch ID or enter your passcode.
Shop in Safari on your Mac and pay on iPhone
Before you begin, do the following:
Sign in with your Apple ID on both devices.
Turn on Bluetooth on both devices.
Ensure that iPhone is nearby and connected to a cellular or Wi-Fi network.
When you’re ready to checkout, do the following:
On your Mac, begin checkout with the Apple Pay payment option.
Review the payment information.
You can change the credit card, shipping address, and contact information.
On your iPhone, review the payment summary and complete the payment.
If you don’t want to use Apple Pay on your iPhone to make payments on your Mac, go to Settings > Wallet & Apple Pay, then turn off Allow Payments on Mac.
Change your default shipping and contact information
Go to Settings
> Wallet & Apple Pay.
Set any of the following:
Shipping address
Email
Phone