SMS API

Send and receive mass text messages globally to customers with our programmable SMS API service. Our SMS API can do it if you can think of it!

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Trusted SMS API Provider

CDYNE's API for Bulk SMS is Trusted by Some of The Biggest Brands in The World - ABOUT US

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Powerful SMS Gateway Features

When you combine our SMS gateway with these awesome features, anything is possible!

Our SMS API gateway delivers the tools you need to boost company sales, revenue, customer engagement, and stay connected with your customers.

All Features
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Unique 5-6 Digit Phone Number

SMS Short Code

Send mass text messages to customers fast from a memorable 5-6 digit phone number.

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MMS API Services

Send cool pictures, emojis, GIFs, links to your website, and even audio messages to your customers.

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SMS Long Codes

Send text messages from a local phone number that your recipients will know and trust.

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10DLC Capable

Get a new SMS long code solution for all of your United States A2P business messaging use cases.

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Autoresponder

Automate your entire text message campaign and the response customers receive after replying.

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Two-Way Texting

Engage with customers by sending and receiving bulk sms and create powerful conversations.

Fast Texting Speeds

Schedule SMS

Schedule your company's texting campaign to be sent out at optimal times for higher conversions.

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Two-Factor Authentication

Send text messages to users of your application, website, or software to ensure secure logins.

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Appointment Reminders

Reduce missed appointments by sending automated SMS reminders to your customers.

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Opt-Out Handling

Recipients can easily remove themselves from your text message campaign with a click of a button.

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Number Pooling

Use multiple phone numbers to deliver even more text messages to your entire contact list.

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Detailed Reports

Get detailed reports on how many text messages are getting sent, plus more valuable data.

Why Choose CDYNE’s SMS API?

We strive to be the best SMS service provider in the industry. Our trusted text SMS API provides quality performance to drive your communication strategy.

WE CARE ABOUT YOUR SUCCESS

1. World Class Support

Most SMS API services don't have active online support channels customers can speak to when they need it the most, and we understand. That's why we have 24/7, around the clock emergency support for our text API service.

  • Fast Response Times
  • Fast Troubleshooting
  • Chat, Email, & Phone Support
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LEAVE NO STONE UNTURNED

2. Global Texting SMS API

Our SMS texting API enables you to leverage your business communication globally without any interruptions. Don't worry about the distance! Get connectivity in more than 190 countries.

  • Tier 1 SMS Network
  • 99.9% Guaranteed Uptime
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PROTECTING YOU & YOUR CUSTOMERS

3. Government Level Security

Our SMS API is 256 Bit Encrypted (typically only reserved for governments and militaries), SOC2 Type 2 Certified, HITRUST Certified. Hardware-based SMS servers are strategically located throughout the US-owned and operated by CDYNE.

  • 256 Bit Encrypted
  • HITRUST Certified
  • SOC2 Certified
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What is an SMS API ?

An SMS API is an acronym for a short message service application programming interface. The SMS message API allows your business to use SMS messaging within your software platforms, website, or CRM easily and quickly. You can program our SMS service API to do almost anything you can imagine through text!

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Simple SMS API Documentation

We know that implementing an SMS bulk API into your business takes time. That's why we made our documentation easy to understand and implement into all of your projects!

You'll have no problem connecting with the SMS gateway using any programming language capable of REST or SOAP calls, as it was created by developers who wanted nothing more than making sure you could get up and running quickly without having trouble understanding what is happening or how things work underneath the hood.

Build Your Apps Faster

  • Uncomplicated API References
  • Code in Multiple Programming Languages
  • Technical Customer Support
  • Helpful FAQ Section for Dev
SMS API Documentation

The CDYNE Difference

Since the early 2000s, CDYNE's been one of the industry's most trusted SMS API providers. The truth is we do things differently. Our vision is to shape your connections to the world through reliable, usable, and adaptable Communication and Data APIs.

24/7 Support Lowest Pricing Multiple Communication Services
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What Our Customers Have to Say

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

Capterra
G2
GetApp

Popular SMS API Use Cases

With our easy-to use SMS service API, you can programmatically add SMS campaigns or set up autoresponders with just a few lines of code.

Send discounts & offers that advertise your products and services to push subscribers to become customers.

Example: Want to give the love of your life a special Valentine’s Day gift? For 24 hours, our VIP text subscribers can get 15% off all flowers. Your significant other awaits you: https://yourwebsite.com
Learn what your customers think about your products, services, and company as a whole to resolve their issues and improve business.

Example: Hi Jerome, you recently bought your new cellphone, can you tell us how often you’re using it? Your feedback is very important to us. Cheers, ABC Mobile.
Entice your customers with opportunities to win prizes and discounts on your products and services.

Example: Thanks for entering for a chance to win a FREE 60 minute massage!
Easily send time-sensitive alerts to your customers to let them know about important events like fraud, weather alerts, company updates and so much more.

Example: Please take shelter. Lock your doors and windows. A category 3 hurricane is headed towards your location in Chesapeake, VA around 1:00pm EST. Await further info. Check https://123weather.com for more info.
Put an end to no-shows by sending scheduled text messages to be sent before both parties meet.

Example: Hi Matthew. Your dental appointment at 123 Teeth is on 2/18/2022 at 3:00pm. Reply C to confirm or stop to end all text messages.
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Learn How Key Industries Are Using Text Message APIs

Grow your business easily and fast with our SMS API services. It works for any industry/niche!

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Healthcare & Medical
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Schools & Universities
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E-Commerce Websites
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Financial Institutions
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Retail Stores
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Political Campaigns
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Fast Food Chains
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Automotive Companies
More Industries

CDYNE's SMS API Stats on Sent Text Messages

15+

Years of Experience

2,000+

Satisfied Customers

99.99%

Average SMS Uptime

94%

Would Recommend Us to Others

10's of Billions

Messages Sent

3

Secure Data Centers

SMS API FAQ

Get all of your text message API questions answered here.

Short Message Service (SMS) continues to be the most used text message service across both wireless and traditional telecom infrastructure. An SMS application programming interface (API) enables web applications to easily send and receive text messages.
Like other application programming interfaces, an SMS API allows a computer program to share the code and function like a text message service.
Ease of use and reliability make text messaging APIs the ideal choice for managing important communication. An SMS API is used for security, critical communication, and customer care.
A software developer or programmer manages the SMS API integration. It usually takes less than a day to write the code that communicates with the text messaging API.
Using a text message service API allows you to add text messaging capabilities to your current application or software. A few lines of code replace expensive telecom infrastructure.
To test your SMS service, simply use your test credentials like you use your live credentials. This enables you to test your text messaging API without actually sending a text message. In addition, your account will not be charged.
There is no need to create one! We've already built it for you. You can create your account here to get started integrating our programmable SMS API into your application, website, or CRM.
You can gain access to CDYNE's programmable SMS API by creating an account here.
SMS API integration is when you connect a website, CRM, or application to an SMS API—ultimately giving your software or app the ability to send customized text messages.
You can integrate our programmable SMS API by following these directions.
An SMS gateway API enables a computer or software to send and receive SMS and MMS text messages to and from SMS and MMS-capable devices.
CDYNE’s programmable text messaging API can integrate into any application, website, CRM, or software using C#, VB.NET, VBScript, PHP, PHP with cURL, Ruby, Java, and any language capable of making REST or SOAP calls. Checkout our Docs.
No. CDYNE does not offer SKDs.
CDYNE does not offer free SMS APIs. However, we do offer testing credits to customers who’d like to tryout our messaging API under specific parameters. To learn more about these parameters, please contact our helpful sales team.
Yes. Every message sent and received to your short code or long code phone number will be charged to your account. Click here to learn more about our pricing.
Yes! CDYNE has an out-of-the-box SMS broadcasting software called “Dash Notify”. It’s an easy-to-use SMS software that enables you to send text messages, no programming required.
Yes. CDYNE’s SMSAPI also runs on our MMS API. So, sending rich media is 100% possible. Click here to learn more about our MMS API services.
Yes. CDYNE’s bulk SMS API is able to send text messages using both REST and SOAP calls.
No. CDYNE’s API to send SMS has no limits. At 600 text messages per second, we can reach as many of your contacts as fast as you need without any issues.
Our API SMS has incredible features from scheduling texts to be sent at optimal times, to two-way texting and so much more.
You can request to use CDYNE’s SMS notification service by contacting our sales team and booking a meeting. From there, our sales team will make sure your use case is valid and answer any questions before activating your account.
Once you submit your information to our helpful sales team and they qualify you as a good candidate, you can have approval to use our SMS text message API in less than an hour. It’s that fast!
Please visit our SMS API pricing page to learn more about our pricing.

Explore Our SMS API Blog Topics

The CDYNE blog has the latest content for all of your SMS API needs.

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SMS vs. MMS (What's the Difference)

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It’s Easy To Get Started

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

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