Use Case

Appointment reminders


Automated appointment reminders via API

In many industries, text reminders about upcoming appointments are critical. Missed appointments are costly to both the customer and the provider, and a friendly reminder can significantly reduce the no-show rate. Building this logic into your existing application or service experience is easy with the Telnyx Messaging API.


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

How It Works
  1. 1

    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.

  2. 2

    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.

  3. 3

    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.

  4. 4

    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

  • Icon Resources Docs

    Messaging API documentation for appointment reminders

    Telnyx’s Messaging API supports SMS messages and MMS from 10DLC, toll free numbers, mobile and more.

  • Icon Resources Coding Tutorial

    Tutorial: build an SMS appointment reminder application

    Watch this 5-minute tutorial to learn how to send appointment reminders with the Telnyx Messaging API.

  • Icon Resources Docs

    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.


This depends on your setup and what the messages contain. Since SMS usually lacks end-to-end encryption, HIPAA compliance can be challenging. Check out our guide on this topic for more information.