Sent.ly is a service that allows developers to add SMS send & receive capability to their apps. Sent.ly uses an easy HTTP API in the cloud with an app on your Android phones. With your dedicated phones and your own GSM connections, you can set up your own unique identity for marketing / notification purposes in multiple countries. Because the Sent.ly phone is always in the target GSM network already, SMS send/receive reliability is unmatched. Sent.ly works on a pay-per-use model, freeing you from minimum use quotas or monthly subscription fees! Get Sent.ly started in 5 minutes!

For more information, do come check out our documentation bank at our wiki - http://wiki.sent.ly/.