title: is google maps api key free?
body: <p>I am having this issue my app is on development and the map were working just fine . as soon as I restrict the api key the map stop working . if I change it back to unrestricted start working again . 
  I been reading all day trying to figure out if I am missing something . do I need to pay for this to work ? any ideas </p>
  
  <p>Thanks </p>