Does Google charge anything for using Google Pay and letting pay through it for online transaction in web of mobile app?
According to this guide, merchant, or PSP that would like to enable Google Pay as a payment method should register first for this service and accept a merchant ID that will be used for the further payment transactions. But does google charge a fee for the registration or ongoing use?
When someone in the payment chain charge money eventually the cost coverage comes from the merchant or the end-user-customer