The Twilio Alternative You Can Trust

Get great customer support & always free, truly competitive pricing, impenetrable security, and a solution that is customized for your use when choosing CDYNE's CPaaS APIs.

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Easy Integration   Quick & Easy Setup

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CDYNE is Trusted by Some of The Biggest Brands in The World - About Us

CDYNE brings you the services you have come to rely on



Programmable SMS API

Text message API designed to reliably send and receive messages globally.

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SMS Software

SMS Software

No Programming Needed

Powerful text messaging platform that doesn’t require programming.

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Voice Broadcast API

Voice Broadcast

Programmable Voice API

Voice API that can send thousands of automated voice messages in minutes.

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Ringless Voicemail

Ringless Voicemail

Voicemail Drop Software

Drop voicemails into the inbox of your prospect's mobile device.

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Phone Validator

Phone Validator

Phone Verification API

Easily validate and authenticate mass mobile & landline numbers.

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Address Verification API

Address Verification

Robust Address API

Instantly validate addresses in the United States & Canada.

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Two men programming and switching their API's from Twilio to CDYNE

Migrating to CDYNE is Easy and Fast

We have assisted thousands of clients getting started over the years who are looking for the best in communication partners and we are here to help you.

Here at CDYNE, we can answer all your standard and technical questions before you switch to make for a comfortable migration without issues.

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Working Together to Solve Your Communications Needs

We care about your company’s success. No matter the question, our team of experts is at your service whenever you need us.

Unlike other companies, we don’t believe in making customers pay extra for quality support. We offer live chat, phone, and email support during regular company hours and 24/7 emergency support for urgent issues.

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CDYNE’s Rated Higher Than Twilio in All Categories

2,000+ companies trust CDYNE for communication APIs and software, global coverage, professional, free support, and unbeatable prices.

What Our Customers Have to Say

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Military-Grade Security

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Redundant Infrastructure

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24/7 Emergency Support

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Dedicated Account Manager

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Award Winning Service

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Unbeatable Pricing

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Global Coverage

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99.99% Uptime SLA


Third-party assurance that CDYNE has implemented security best practices on your behalf.

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SOC 2 Type II

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All of your migration questions and concerns get answered here.

Yes. You can use almost any number from any vendor. Contact our helpful staff today to see just how easy it is to make the move.
99.9 % Uptime Guarantee.
Yes – Please send us a copy of your invoice and we will beat it. On average we save our customer 15-25%
Yes, we will match or beat any legitimate vendor’s pricing, along with providing volume-based discounts. We have the best pricing on the market.
Yes. CDYNE is a Tier 1 provider. Send Up to 600 msg / second with our SMS API and up to 12k voice calls/ minute with our Phone Notify API.
CDYNE provides industry-leading support (9-6 EST) and 24/7 Live Emergency support at no extra cost. CDYNE support is not outsourced, ever. You will always be speaking to a CDYNE employee.
Quality of products, customer service, security, pricing.
256 Bit Encrypted (typically only reserved for governments and militaries), SOC2 Type 2 Certified, HITRUST Certified. Hardware-based servers are strategically located throughout the US-owned and operated by CDYNE. We are more secure because we do not store your data in the cloud.
You can send up to 600 messages/ second with CDYNE’s SMS API. Our clients collectively send over 100’s of millions of mass text messages per month.
Any size, CDYNE works with a wide variety of companies in all industries- Across the globe. Whether a single-location pizza shop, a regional bank, a financial powerhouse, or the largest logistics company in the world, CDYNE can scale to fit your needs.
Yes, all our API’s have available documentation on
CDYNE is a tier 1 provider. Send up to 12k calls per minute with CDYNE’s Phone Notify API. With a tier 1 network and hands down the best customer service in the industry (at no extra cost), you can’t go wrong.
CDYNE is a tier 1 provider. Send up to 600 SMS per second with CDYNE’s SMS Notify API. With a tier 1 network and hands down the best customer service in the industry (at no extra cost), you can’t go wrong.

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