The GTX-Messaging SMPP API provides developers a way to integrate the GTX messaging service with their applications, enabling their users to use and implement SMPP interface for receiving and submitting messages from and to the gateway. GTX Messaging is based in Germany.
We've added 17 APIs to the ProgrammableWeb directory in categories including Marine, Transportation, Text-to-Speech and others. Included is an API from Pole Star that allows developers to track marine vessel navigation. Here's a summary of the new additions and how they could aid developers.