It would be helpful if you answer the question about web api usage, most of that is not relevant.
The only suggestion I see there from a quick skim that would avoid the above is for customers to set up a google maps proxy server for every usage with adds security and hides the key. That is completely impractical suggestion for the majority of users of embedded google maps.
The only suggestion I see there from a quick skim that would avoid the above is for customers to set up a google maps proxy server for every usage with adds security and hides the key. That is completely impractical suggestion for the majority of users of embedded google maps.