Your website may very likely have several Google services running such as Google Maps and/or Google Reviews that are tied to your Google Business account. To allow for these services to run on your website you will require to setup a Google Cloud account, setup a valid payment method and create so-called API's.
Please view the video below on how to setup a Google Cloud account and activate the correct API's
Note: Google Cloud accounts are initially setup with a free trial period. It is important to update the account to ensure the Google services remain active after the trial period ends. This video describes how this is done.