Scalable & Reliable
Australian SMS gateway

Smart SMS API delivers premium, scalable sms api messaging solutions with direct telco connections, lightning-fast delivery, and developer-friendly integration. Simplify communication with unmatched reliability and 24/7 local support.

Trusted by leading businesses across Australia

Join thousands of businesses that rely on Smart SMS API for fast, reliable, scalable and cost-effective messaging solutions

Enterprise SMS Gateway Built for Developers

Smart SMS API bridges the gap between developers and telecommunications with seamless integration, scalable APIs, and enterprise-grade reliability. Deliver millions of messages effortlessly with proven technology.

Verifications (OTP)

With SMARTSMSAPI, integrating SMS into your Python projects is a breeze.


Our Python-friendly API allows you to send, receive, and track messages with minimal code—no complicated setups or extra libraries required. Whether you’re building a Django app, automating workflows, or adding notifications to a Flask project, SMARTSMSAPI is designed to work smoothly with Python’s simplicity and power. Get your messaging live in record time, with all the flexibility Python developers love.

NODE.JS

Ready for Node.js, Right Out of the Box


SMARTSMSAPI integrates seamlessly with Node.js, letting you plug in and start sending messages with just a few lines of code. Built to keep up with your Node-powered applications, our API handles high-volume messaging without breaking a sweat. From straightforward setup to rock-solid performance, SMARTSMSAPI is here to help you scale faster, with no complex configurations or workarounds needed. Just code, connect, and let the messages roll.

C#

C# Compatibility That Just Works


SMARTSMSAPI is built to fit right into your C# projects, offering a straightforward integration experience without the hassle. Whether you’re building applications in .NET or need seamless messaging functionality within a larger C# framework, our API is optimized for high performance and quick deployment. Say goodbye to complex configurations—just plug in SMARTSMSAPI, and you’re ready to send, receive, and track messages directly from your C# codebase with ease.



Java

Java-Optimized for Powerful Messaging


SMARTSMSAPI is designed to integrate effortlessly with Java, allowing you to add robust SMS functionality to your applications with ease. Whether you’re working with Spring Boot, building Android apps, or managing backend services, our API fits seamlessly into Java environments. With streamlined setup and reliable performance, SMARTSMSAPI lets you focus on coding, not configuring—giving you powerful messaging capabilities without the extra legwork.

PHP

PHP-Perfect for Easy Messaging Integration


SMARTSMSAPI is built to work smoothly with PHP, making it simple to add SMS functionality to your web applications, notifications, or automated scripts. Whether you’re using Laravel, WordPress, or custom PHP code, our API is designed to fit right in without any fuss. With fast, reliable message delivery and straightforward integration, SMARTSMSAPI lets you get up and running in no time—so you can focus on building, not debugging.

Ruby

Ruby-Ready for Seamless SMS Integration


SMARTSMSAPI is crafted for easy integration with Ruby applications, whether you’re working with Rails, Sinatra, or a custom Ruby project. With a few simple lines of code, you can add SMS capabilities that are as responsive and reliable as Ruby itself. Our API is designed to support high-volume messaging while keeping setup fast and painless, so you can get your SMS functionality live without missing a beat. Get coding, get messaging—SMARTSMSAPI makes it simple.



Read the Docs

Explore quick-start guides, code snippets, SDKs, and more in our comprehensive resource library to kickstart your build for Facebook Messenger with Messaging

Competitive pricing,

with unmatched delivery 

All base UI elements are made using Nested Symbols and shared styles that are logically connected with one another.

Communicate reliability

Experience a 99.95% uptime SLA made possible with automated failover and zero maintenance windows.

Operate at scale

Extend the same app you write once to new markets with configurable features for location and compliance

Many channels

Use the same platform you know for voice, SMS, chat, two-factor authentication, and more.

No Shenanigans

Get to market faster with pay-as-you-go pricing, free support, and the freedom to scale up or down without contracts.

SMS - MMS pricing table

Credits SMS price (AUD) MMS price (AUD) SMS rate per unit (AUD) MMS rate per unit (AUD)
10 $0.77 $0.20 $0.08 $0.02
250 $19.00 $5.00 $0.08 $0.02
1K $75.00 $19.00 $0.08 $0.02
5K $365.00 $95.00 $0.07 $0.02
20K $1380.00 $360.00 $0.07 $0.02
100K $6300.00 $1800.00 $0.06 $0.02

What our customers say about us

Integrating Cellcast’s SMS marketing platform into our customer outreach strategy has transformed our conversion rates at...

Monica Limanto

CEO of Petsy

Integrating Cellcast’s SMS marketing platform into our customer outreach strategy has transformed our conversion rates at...

Monica Limanto

CEO of Petsy

The #1 Rated SMS & MMS gateway in Australia

Cellcast stands as Australia’s highest-rated business messaging platform, trusted by thousands of companies nationwide for their critical customer communications. Our market-leading position is built on enterprise-grade carrier connections, exceptional delivery rates, and award-winning customer support.

MORE DETAILS

Processing Millions of messages daily

4.9 Star

Average customer satisfaction score

98%

Customer retention rate

Serving

Star-ups to ASX-listed

Companies

Industry-best uptime of

99.99%

GET STARTED

Australia’s Most Connected

business messaging network

Smart SMS API delivers unparalleled reach across Australia’s telecommunications landscape through direct partnerships with every major carrier. As a Tier 1 partner of Telstra, Vodafone(TPG) and Optus, we provide businesses with premium messaging routes that ensure optimal delivery rates and enterprise-grade reliability.

Our data 

speaks for itself.

90x

ROI by Vibes SMS customers

<1%

Campaign 

opt-out rate

25%

Lower SMS subscriber churn

97%

SMS audience retention

9x

SMS broadcast click-through rate

Testimonial

“Best of the best”

“We use Cellcast to increase conversions and awarness on campaigns. Have used other platforms, none works as good as Cellcast”

Casey Lyons

CEO, livin.org

Testimonial

“Best of the best”

“We use Cellcast to increase conversions and awarness on campaigns. Have used other platforms, none works as good as Cellcast”

Casey Lyons

CEO, livin.org

Testimonial

“Best of the best”

“We use Cellcast to increase conversions and awarness on campaigns. Have used other platforms, none works as good as Cellcast”

Casey Lyons

CEO, livin.org

Frequently asked questions

  • How does the pricing work?

    As a tier-one SMS and MMS gateway service, we offer tiered pricing based on your subscription tier. 


    We offer the most competitive unit price in the market. Just give us the challenge. 

  • How much does it cost to send a message?

    Depending on the plan to choose will determine the unit price per message.  


    For SMS messages, you are limited to 160 characters per message and 1000 characters for MMS messages. If you send sms with 200 characters, this will count as two parts, and you will be charged for two messages.  

  • Can I cancel my plan?

    You can cancel your plan at any time, And your account will be closed at the end of your billing cycle. 


    If you have opted for an annual subscription you will need to wait for this period. 

  • Is my data safe, will it be used for any other purpose?

    Cellcast ensures that your data is securely stored on its AWS platform located in Sydney, which is accessible only to you. Our systems are secured to the gold standard, making them the benchmark for all of our happy customers. To learn more about our privacy policy, you can visit our website.

  • Can I send messages that display a business name or numbers?

    Yes, you can. Using your business name or your own mobile number can be a great way to strengthen your brand identity. 

  • Why is Smart SMS API so popular?

    Our pricing is unbeatable, and if you happen to find an SMS or MMS price that is comparable, just inform us and we will beat it.


    Smart SMS api provides premium tier one messaging services for enterprise systems.



    We deliver premium, tier-one messaging services that empower developers, startups, and enterprises with scalable, reliable, and affordable SMS and MMS gateway solutions, bridging the gap between businesses and telecommunications providers.

  • Are there any membership fee's?

    Absolutely not! There are no upfront or ongoing fees to use the Cellcast platform for SMS or MMS messaging. You only pay for the credits you purchase to send messages, and there are no hidden charges or fees.

  • Can I purchase my own Virtual Number?

    Yes, you can. You have the option to purchase virtual mobile numbers (VN) for an annual fee of $168 or a monthly fee of $18. Additionally, you can also purchase a short code (SC). Please contact our support team for further assistance with connecting your purchased VN or SC.