If you have a need for a highly scalable SMS solution to integrate into your application or business model then Bulletin Connect may suit your needs.

Bulletin Connect is a dedicated secure web service with a simple API interface accessible by SOAP over HTTP or HTTPS. Using the development language of your choice you can quickly develop a robust suite of tools that can send and receive TXT messages, process delivery receipts and integrate into your work flow.

Whether it is contacting clients from your CRM system or implementing work flow management via SMS, Bulletin Connect can work for you.