Address validation using Google Maps API

Question

I have a task to validate addresses entered into a system I am currently creating. The system requires that address entered are validated against a valid data source. In the

Answer 1

I know that this post is a bit old but incase anyone finds it still relevant you might want to check out the free geocoding services offered by USC College. This does included address validation via ajax and static calls. The only catch is that they request a link back and only offer allotments of 2500 calls. More than fair. https://webgis.usc.edu/Services/AddressValidation/Default.aspx