TextMarks is the easiest-to-use, most reliable SMS Marketing Platform available anywhere. Come see why thousands of companies, churches, schools, and small and large businesses, all trust TextMarks to send millions of text messages every day. App Developers—your app just learned how to text! TextMarks does advanced API integrations. Our simple documentation and tools let you discover what's possible without writing a single line of code and our protocols are open and easy to implement. Teachers, Administrator and Coaches: You know students have their phones with them 24/7. But did you know that SMS programs can reduce bullying, improve attendance at special events, and even increase the amount of homework turned in?