SMS API Platform
Integrate our text message service into your application with our easy-to-use, programmable SMS API. Reliably communicate with your global customers at CDYNE's cost-effective pricing.
Texting Messaging API Features
Seamlessly build powerful SMS applications with our dynamic text messaging API. Send customized SMS service notifications or engage with customers using two-way texting. Our robust SMS service API delivers the tools you need to stay connected to your customers.
SMS Encoding
Send texts that contain emojis and symbols that boost engagement.
Number Pooling
Use multiple SMS-enabled phone numbers to send messages faster.
Two Way Texting
Engage with customers by sending and receiving messages by them.
Short Codes
Send and receive SMS texts using a unique 5-6 digit phone number.
MMS Messaging
Get creative and send multimedia messages that brand your business.
Long Codes
Send and receive texts using a 10-digit SMS-enabled phone number.
Limitless Text Message API
With our bulk SMS API, you can 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
- 190+ accessible countries
- 99.9% Guaranteed Uptime SLA
Simple SMS API Documentation
Our SMS API documentation is easy to understand and implement into all of your applications. It was created by developers, for developers. You can easily connect to our SMS gateway API using any programming language capable of REST or SOAP calls.
Build Your Apps Faster
- Uncomplicated API References
- Code in Multiple Programming Languages
Powerful Text Messaging API
We strive to be the best SMS service provider in the industry. Our trusted SMS service API provides quality performance to drive your communication strategy.
- Message Queuing
- Account Monitoring
- Smart Rate Limiting
- Built-In Multi-Tenancy
- Delivery Reports
- Sub Accounts
- Regional Language
- 4,000 Character Limit
SMS Service Provider Since 1999
We've been rated 5 out 5 stars on Capterra, GetApp, Google and Facebook – based on 40+ reviews.

Award-Winning Company
SMS Notify! API is powered by CDYNE Corporation. CDYNE has been ranked in the Inc. 5000's top 5000 companies in America 8 times through 2020. We're a company you can trust.
Quality Customer Support
Most SMS providers 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 SMS API and SMS gateway service.
Expect fast response times, fast troubleshooting and easy-to-read documentation that will never leave you waiting for answers.
Contact us via live chat, phone or email about our SMS system today.
SMS API Frequently Asked Questions
Trusted CDYNE Customers
Get 250 Free SMS API Credits
First-time customers will receive 250 credited SMS messages added to their account when they choose CDYNE as their SMS provider.
Let’s Start BuildingNo contracts, no hidden fees, and no credit card required to get started.