For Google Pay there are following requirements:

To use Apple pay make sure you are using Safari browser and has the following set up: 

  • Safari

    • Safari on Mac running macOS Sierra or later

    • A compatible device with a card in its Wallet paired to your Mac with Handoff, or a Mac with TouchID.

  • Mobile Safari

    • Mobile Safari on iOS 10.1 or later

    • A card in your Wallet (go to Settings > Wallet & Apple Pay).

Apple pay is also supported in third party browsers but only from iOS 16.0.