title: ios Google Geocoding API
body: <p>I ran "<a href="http://maps.googleapis.com/maps/api/geocode/json?address=1600+Amphitheatre+Parkway,+Mountain+View,+CA&amp;sensor=true" rel="nofollow noreferrer">http://maps.googleapis.com/maps/api/geocode/json?address=1600+Amphitheatre+Parkway,+Mountain+View,+CA&amp;sensor=true</a>" in iPhone project for getting coordinate of <code>"1600 Amphitheatre Parkway, Mountain View, CA"</code>.
  But I got the response:</p>
  
  <blockquote>
    <p>"REQUEST_DENIED"</p>
  </blockquote>
  
  <p>I didn't find why this error occured.
  Please help me.
  Thanks.</p>