Handset Detection is a web service that lets you Detect Mobile Browsers. Use this APi Kit to detect mobile phones and portable devices in your website or any other software where knowing the properties of a mobile device is important. It also does geolocation.

This API Kit requires an account at Handset Detection You'll need a signup email address & a secret (from your my profile page).

Other Projects Include Detect Mobile Browsers with Python, Detect Mobile Browsers with Java, Detect Mobile Browsers with ASP.NET