GupShup is a free group SMS service to connect with your friends. Users can send messages to groups by creating a group and letting others join the group. The GupShup RESTful application programming interface (API) enables developers to access messages sent via GupShup.

These messages can then be integrated into other applications or websites. It is straightforward to use and ensures high speed of delivery. It supports Unicode for special characters, long messages, message searcher and threading. Also, it generates detailed reports and analytics.

In all, it is highly secure, reliable and scalable platform, with 24 hours SMS delivery.