Preventing Spam & Fraud with SMS Phone Verification

Check out our updated Phone verification post here. If you’ve used a service like Google Calendar that sends out reminders via SMS, you may recall that when you set up your mobile device to receive alerts, the application verified that you were the owner of the device. This is done by sending you a short verification code that you then entered on the web site. Once… Read More

Simple Phone Verification with Twilio, PHP, MySQL and jQuery

See the most updated version of these instructions and sample code here or read the tutorial on how to build phone verification in a Rails app.  As more and more applications integrate with phones there is an increasing need to verify phone numbers to help prevent spam, fraud and other dubious activities. In these cases it’s common to use an automated phone verification system to present the… Read More