Developer-friendly, scalable SMS API
Among SMS API providers, Telnyx consistently wins awards for its results and ease-of-use. We take care of the details as you scale, so you don’t have to.
Ranked API for results and ease of use
Reduce costs without reducing results
Through our commitment to value through optimization, our platform and team ensure you get a great deal without sacrificing performance.
Typical savings on messaging costs
Build automated appointment reminder logic into your application
Set up triggers in your application to send appointment reminders at specific times (e.g., 24 hours before an appointment). Connect this to the set-and-forget Telnyx Messaging API.
Trigger client appointment reminders on demand
Based on your configured logic, Telnyx will trigger an SMS or voice notification to your customer to notify them about an upcoming appointment.
Capture responses to text reminders
Customers can confirm or reschedule the upcoming appointment by replying to the SMS, clicking a link, replying verbally on the call or inputting digits. You can process this information and schedule callbacks as needed.
Troubleshoot issues and scale with confidence
Our detailed reporting and debugging tools help you identify issues as you grow, which you can then resolve with our acclaimed documentation. If you need additional assistance, talk to our expert support team that can assist you free of charge.
Send automated appointment reminders and receive replies
Send friendly reminders to customers from local numbers and allow them to reply.
Alphanumeric Sender ID
Send reminders to global customers from a recognizable name using letters or numbers.
Messaging API documentation for appointment reminders
Telnyx’s Messaging API supports SMS messages and MMS from 10DLC, toll free numbers, mobile and more.
Tutorial: build an SMS appointment reminder application
Watch this 5-minute tutorial to learn how to send appointment reminders with the Telnyx Messaging API.
Build SMS appointment reminder support in 15 minutes
Ready to get your hands dirty? Check out our code tutorial—available in Python, Node and Ruby.