Product APIs
- - Communication APIs
  - SMS Notify!^® API
  - Connect Via Two-Way Texting
  - Phone Notify!^® API
  - Voice Broadcasting
  - Data Quality APIs
  - Phone Verify^® API
  - Phone Number Verification
  - PAV^® API
  - CASS^™ Postal Address Verification
About Us
Solutions
Developers
- - Quick Start Guides
  - Step-by-step guides to setting up CDYNE's APIs with your preferred language.
  - SMS Notify!^® API
  - Phone Notify!^® API
  - Phone Verify^® API
  - PAV^® API
  - Documentation
  - Learn how to take advantage of each and every feature our services have to offer by exploring API methods and their respective requests and responses in your preferred coding language.
  - SMS Notify!^® API
  - Phone Notify!^® API
  - Phone Verify^® API
  - PAV^® API
  - Code Samples
  - Search API methods and view samples of code for each method compatible with your preferred coding language.
  - SMS Notify!^® API
  - Phone Notify!^® API
  - Phone Verify^® API
  - PAV^® API
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SMS Notify! API

Customizable SMS Text Messaging

Effortlessly connect with others via two-way texting that can be rapidly integrated into your current system w/o software.

LEARN MORE WATCH VIDEO

Want an Out-of-the-Box Solution?

Introducing DASH NOTIFY, a user-friendly text messaging dashboard.

Phone Notify! API

All-In-One Voice Calling

Voice Broadcasting made simple. Place thousands of calls a minute to get your message heard quickly and efficiently.

LEARN MORE WATCH VIDEO

Phone Verify API

Instantly Validate Numbers in the U.S. and Canada

Get quick and accurate phone number verification data for U.S. and Canadian numbers.

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PAV API

USPS CASS Certified Address Verification

CASS Certified Postal Address Verification allows you to correct addresses in one simple step.

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Send Calls Straight to Voicemail

Drop voicemails directly into users' phones with the Voicemail Drop dashboard.

WHO ENJOYS WORKING WITH US?

Let us also help you create a solution that meets your needs.

Of our clients have been satisfied with CDYNE's services

3 out of 4 clients use our service everyday

Of our clients would recommend CDYNE

- Based on CDYNE's 2018 Customer Survey

WHAT OUR CUSTOMERS ARE SAYING

We have always been impressed with the high-availability, quality of service, SMS throughput and SMS expertise provided by CDYNE.

Martin, CEO

We have nothing but good things to say about the reliability as well as amazing accurate data returns for all bulk addresses.

Dan, Database Administrator