Ultimate SMS is a powerful, flexible, and User-friendly Bulk SMS Marketing Application. It’s also an all-in-one solution for your SMS marketing. It’s easy to use & install. If you want to run Ultimate SMS then you have to purchase sms gateway API from sms gateway providers like Twilio, nexmo, plivo, etc. There have more than 20+ sms gateway API’s already integrated with ultimate sms. You can choose one from these or you can also add your gateway with ultimate sms. Then you have to update your sms API credentials on ultimate sms. Finally, you can send your sms using your sms gateway API through ultimate sms.