Engage Your Customers with The Confidence & Reliability Only Found in CDYNE Communication API's & Software

CDYNE offers reliable and flexible SMS APIs, voice broadcasting, SMS broadcasting, an SMS reseller program, phone number verification and address verification API's that are easy to integrate and scale for your business.

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Trusted Communication API Provider

CDYNE's Communication APIs are Trusted by Some of The Biggest Brands in The World Since 1999 - ABOUT US

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You Can Support Any Channel with Our Communication APIs & Software

SMS NOTIFY! API

SMS API

SMS API

Programmable SMS API

Text message API designed to send & receive SMS & MMS globally using a short code or 10DLC phone number.

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DASH NOTIFY!

SMS Software

SMS Software

No Programming Needed

Easy to use texting software that can send & receive SMS & MMS using a short code or 10DLC phone number.

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PHONE NOTIFY! API

Voice Broadcast API

Voice Broadcast

Programmable Voice API

Powerful voice broadcast service that sends mass automated phone calls quickly to mobile & landline devices.

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VOICEMAIL DROP!

Ringless Voicemail

Ringless Voicemail

Voicemail Drop Software

Non-intrusive voicemail marketing software that drops your unique message into your contacts' inboxes.

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PHONE VERIFY! API

Phone Validator

Phone Verification

Phone Verification API

Verify cellphone and landline numbers, find service providers, and define time zones to restrict calling times.

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PAV! API

Address Verification API

Address Verification

Robust Address API

Quickly and easily verify, standardize, and correct bulk addresses in the United States and Canada.

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Trending Topics for SMS

What Does Opt Mean in The Text Messaging Industry?

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Enjoy Our New API Comprehensive Guides

Our beginner's guides to using a programmable SMS & voice API to help you succeed in building your companies website, application, CRM, and more.

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SMS API Guide

A free SMS API resource to help you better understand how to use a programmable SMS API within your business.

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Voice API Guide

A free voice API resource to help you better understand how to use a programmable voice API within your business.

What Our Customers Have to Say

We’ve been rated 5 out 5 stars on Capterra, GetApp, Google and Facebook – based on 40+ reviews.

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Create your account and receive trial credits for any of our mass communication APIs or software.

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