Voice API

Voice Broadcast

Phone Notify! is a voice broadcast API that enables you to send mass voice messages to your entire customer base.

Reliable Voice Broadcast System

Easily connect using any programming language capable of REST or SOAP calls.

Voice API Documentation

Why Choose CDYNE’s Voice Broadcasting API?

We are not just your average voice broadcast web service!

Phone with signals inside a globe.


Phone Notify! API allows businesses to send and receive 12,000 Tier 1 bulk automated phone calls per minute plus more on a global scale.

Hand with cash in heart shape.


Use our fully programmable voice API to create custom experiences that customers enjoy, and also saves your business time and money.

Phone with movement.


Send mass voice messages to customers with mobile devices and digital telephones. Leave no stones unturned with Phone Notify! API.

Voice Broadcast Is Effective

Create dynamic conversations with customers anywhere, for less.

Mobile & Landline Calls

Broadcast your message to customers everywhere using mobile and digital landline devices.

Tier 1 Network

Send mass automated calls to customers on a global scale without any interruptions.

Global Coverage

Stop worrying about distance and get connectivity in more than 190 countries for optimal voice marketing.

Multichannel Communication

Need to send business text messages as well? Use Phone Notify! along with SMS Notify! Get an SMS-enabled phone number to allow your customers to call or text back.

Voice Broadcast Features

Create powerful voice messages that boost conversions and sales.

Explore Features
Landline with Internet.

SIP Trunking

Start saving time and money by sending your calls through your existing internet connection.

Three people around a phone.

Outbound Conference API

Make outbound calls connect to a conference in order to communicate with multiple people at once.

Fax machine with person.

Answering Machine Detection

Determine whether a human, an answering machine, or a fax machine is picking up outgoing calls.

Phone conversation.

Call Quality Monitoring

Gauge phone conversations between customers and staff in order to improve customer service.

Phone with call flow.

Interactive Voice Response

Build manageable call flows that deliver incoming calls to the right department and representative.

Phone with pause button.

Call Recording

Easily record calls with the capability of pausing and resuming the recorded voice call as needed.

Voice Broadcasting Is Perfect For Any Use Case

Deliver in-depth voice messages that contain personal data to enhance your customers’ experience.

  • Appointment Reminders
  • Emergency Alerts
  • Payment Reminders
  • Marketing & Promotions
  • Delivery Status Notification
  • Password Resets
  • Customer Loyalty & Greetings
  • Political Campaigns

What Separates CDYNE From The Competition?

CDYNE Other Brands
250 Credit Free Trial, No Credit Card Required
No Contracts, Pay-As-You-Go Subscriptions
Mobile & Digital Landline Friendly
DTMF Tones
Answering Machine Detection
Ability to Play Recorded Messages
Text-To-Speech Engine
Call Control & Recording
Real-Time Reports
Call Quality Monitoring
Rated 5/5 on Google, Facebook, Capterra
20+ Years of Industry Experience
We Offer Multiple Marketing Products
Customer Support
Live, Chat, Phone, & Email Support
Emergency Support
Start Free Trial

Our Support Team Cares

Quality customer support

Let Us Serve You

We’re constantly striving to provide quality support for all customers, seven days a week. Expect fast response times, fast troubleshooting, and easy-to-read documentation that will never leave you waiting for answers. Get in touch with us using live chat, phone, or email.

Five stars aligned next to each other.

Industry Leaders of Voice Broadcasting

We’ve been rated 5 out of 5 stars on Capterra, Google and Facebook – based on 35+ reviews.

A Inc 5000 Logo.

Award-Winning Company

Phone Notify! API is powered by CDYNE Corporation. CDYNE has been ranked in the Inc. 5000’s top 5000 companies in America six times in a row from 2012–2018. We’re passionate about providing you with the best services in the industry and proving our value by driving real results.

Trusted CDYNE Customers

  • CollaborateMD
  • Teleflora
  • Quest
  • Rooms To Go
  • Southwestern Fundraising

250 Free Voice Broadcasting Credits

No contracts, no hidden fees, and no credit card information required to get started.

Get Started Now