You can set up Apple Pay on your Apple Watch using the Watch app for iPhone.
You can add multiple cards and change your default card for purchases via the app.
To use Apple Pay, simply press the side button twice and hold your Apple Watch near a contactless reader until you feel a soft tap.
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Apple Watch allows you to do many things without having to take out your iPhone (like peeking at notifications, sending quick text responses, and dismissing iPhone alarms), and using Apple Pay is one of them.
Here’s how it’s done.
First, set up Apple Pay on your Apple Watch
You can add credit, debit, and prepaid cards to Apple Watch.
1. Open the Watch app for iPhone. Go to the My Watch tab.
2. Tap “Wallet & Apple Pay.”
3. Tap Add Card, then Continue.
4. For cards that have already been added to your iPhone, you’ll be prompted to enter the card’s security code to add it to Apple Watch. For completely new cards, you can have the information entered via a photo by positioning your card inside a …read more
Source:: Businessinsider – Technology