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

SMS API

Programmable SMS API

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

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SMS Software

No Programming Needed

Powerful text messaging platform that doesn’t require programming.

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Voice Broadcast

Programmable Voice API

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

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Ringless Voicemail

Voicemail Drop Software

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

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Phone Validator

Phone Verification API

Easily validate and authenticate mass mobile & landline numbers.

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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

We use SMS Notify as part of our applicant tracking system to correspond with our potential applicants. We use the API to text straight from the applicant's file and the entire team can pick up a conversation at any time so we don't miss a beat even when someone is out of the office.

Bobbi L.

Recruiting Supervisor

Used the software for: 2+ years

This is a great, fast, reliable, and cost-effective solution for sending out SMS messages to clients/users of my automated call-answering service.

Chisolm W.

Computer Software, Self-employed

Used the software for: 2 years

Product is super easy to use and the Cdyne Wiki is very helpful. I like that we get constant updates on any maintenances and updates when any delays have been resolved. Uptime is also great.

Randy T.

Software Engineer II

Used the software for: 2+ years

SMS Notify! is easy to use and set up. No special hardware or software knowledge needed to quickly and easily integrate into the software we use for password manage 2FA.

Doran B.

Sr Infrastructure Engineer

Used the software for: 2+ years

SMS Notify is very easy to configure and the admin console is very easy to navigate through.

Brett C.

Director of Global IT

Used the software for: 2+ years

Works as advertised. Users are getting texts and the reports available help track down any issues

John B.

Project Coordinator

Used the software for: 6-12 months

Military-Grade Security

Redundant Infrastructure

24/7 Emergency Support

Dedicated Account Manager

Lighting Fast Delivery

Award Winning Service

Unbeatable Pricing

Global Coverage

99.99% Uptime SLA

Certifications

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

SOC 2 Type II

PCI

FAQ

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 www.cdyne.com

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.

It’s Easy To Get Started. Sign Up for Free.

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

Create Your Account Talk to an Expert

The Twilio Alternative You Can Trust

CDYNE brings you the services you have come to rely on

SMS API

Programmable SMS API

SMS Software

No Programming Needed

Voice Broadcast

Programmable Voice API

Ringless Voicemail

Voicemail Drop Software

Phone Validator

Phone Verification API

Address Verification

Robust Address API

Migrating to CDYNE is Easy and Fast

Working Together to Solve Your Communications Needs

CDYNE’s Rated Higher Than Twilio in All Categories

What Our Customers Have to Say

We use SMS Notify as part of our applicant tracking system to correspond with our potential applicants. We use the API to text straight from the applicant's file and the entire team can pick up a conversation at any time so we don't miss a beat even when someone is out of the office.

This is a great, fast, reliable, and cost-effective solution for sending out SMS messages to clients/users of my automated call-answering service.

Product is super easy to use and the Cdyne Wiki is very helpful. I like that we get constant updates on any maintenances and updates when any delays have been resolved. Uptime is also great.

SMS Notify! is easy to use and set up. No special hardware or software knowledge needed to quickly and easily integrate into the software we use for password manage 2FA.

SMS Notify is very easy to configure and the admin console is very easy to navigate through.

Works as advertised. Users are getting texts and the reports available help track down any issues

Military-Grade Security

Redundant Infrastructure

24/7 Emergency Support

Dedicated Account Manager

Lighting Fast Delivery

Award Winning Service

Unbeatable Pricing

Global Coverage

99.99% Uptime SLA

Certifications

SOC 2 Type II

PCI

FAQ

Can I use my current phone numbers?

What is CDYNE’s API uptime guarantee?

Does CDYNE’s offer lower pricing or beat other competitors pricing?

Do you offer volume-based discounts?

Do you offer the same coverage as competitors for your SMS & voice services?

How does CDYNE’s support compare to competitors?

What should I consider when considering migrating from my current provider to CDYNE?

How secure are CDYNE’s APIs’ and software’s?

What volume can CDYNE handle?

What size companies are best for CDYNE?

Does CDYNE have developer documentation?

How does CDYNE’s call quality compare to competitors?

How does CDYNE’s messaging quality compare to competitors?

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