Use Google API to get reviews of local businesses

I need to "List all reviews" of numerous local businesses that I manage. You would write the GET request for me. [login to view URL] I don't know how this works exactly, so I don't have more instructions! I simply need the ability to list all the reviews from each GMB business location that I choose. If you can help me do that, the world will be a better place ;) If you need any more details, let's have a conversation.