Use Cases

• Create an interactive voice application without running your own SIP server
• Integrate your data sources to look up customer records during calls
• Build an interactive application with conditional logic that moves callers through prompts and responds to input on the fly

Product Features

• Gather and respond to DTMF events
• Play audio files or remotely hosted streaming media
• Create call recordings in multiple formats
• Implement text to speech using simple markup

Video Tutorials

Configure a FlexML Endpoint

Overview of creating interactive voice applications using our markup language.

Quick Start Guides

Build a FlexML Advanced Play Application

In-depth guide to building an advanced Play application with FlexML.

Configure a FlexML Endpoint

In-depth guide to creating interactive voice applications using our markup language.

Storage and Recording with FlexML

In-depth guide to using storage and recording options with FlexML.

Password-Protected FlexML Application

In-depth guide to building a password-protected FlexML application and protecting your destination from unauthorized calls.

Answering Machine Detection

In-depth guide to protecting your destination from spammers with the help of AMD verb.

API Reference

FlexML API

Use FlexML abilities to create simple or complex voice applications.

Sample Applications

No-code CarrierX Apps

Configure applications you can run on your FlexML phone numbers without any code.

Compare CarrierX to Twilio and Plivo

Check which features are common for CarrierX, Twilio, and Plivo.

Migrating from Twilio to CarrierX

Migrate your existing Twilio account to CarrierX and start writing applications in FlexML.

Migrating Applications

Follow steps to migrate your applications written for Twilio to CarrierX:

• Send SMS During Calls App

• Lead Alerts App

• Server Notifications App

• Call Forwarding App

• Automated Survey App

Migrating from Plivo to CarrierX

Migrate your existing Plivo account to CarrierX and start writing applications in FlexML.

Migrating Applications

Follow steps to migrate your applications written for Plivo to CarrierX:

• Phone IVR App

• Voicemail App

• Call Transfer App

• Guessing Game App

Video Tutorials

Rent a phone number

Overview of renting a phone number through the Portal.

Quick Start Guides

Rent a Phone Number

In-depth guide to browsing, renting, and managing phone numbers.