Is this even possible? I want to click on a certain link that will generate a pass that I can add to the Apple Wallet.
Is this possible with Ionic (free)?
Ionic apps use Cordova plugins for native functionality like that.
These ones looks relevant:
They are not relevant, as that is Apple Pay and has nothing to do with Apple Wallet.
Sorry, I misread your initial post.
https://www.npmjs.com/package/cordova-plugin-passbook for asking the user to add it.