Empower Your Applications with Free SMS API for Developers

Seamlessly integrate SMS messaging capabilities into your applications. Send free SMS while testing, manage contacts, create templates, schedule messages, and more - a perfect solution for developers, especially those seeking free SMS sender API services.

SMS API Written with Developers in Mind

We understand the needs of developers and businesses. Our platform offers an SMS API that’s fast, reliable, and designed for your convenience. Ideal for those looking for bulk SMS with API services. Here is why we stand out:

Discover Our Comprehensive SMS API Services

Your Guide to Mastering our APIs

1. Introduction to SMS API

Explore the basics of using an SMS API. Learn how to send free SMS through an API and understand the different APIs we offer: REST, HTTP, SMPP, and more.

2. Getting API Credentials

Detailed steps on obtaining your Uwazii MOBILE API credentials after creating an account. You can get your free API key and start sending SMS right away.

3. SMS API Integration

Learn to integrate our SMS API into your apps effortlessly with our detailed guide. Follow instructions to incorporate our services using popular programming languages

4. Sending Bulk SMS with API

A step-by-step guide on how to use our Bulk SMS API to send mass text messages to your customers. Explore how to handle responses and delivery reports.

The nuts and bolts

  • Direct & Mass Texting: Whether you need to send a single SMS or thousands of them, you can manage all your messaging needs directly from your application.
  • Multilingual Support: Engage your audience in a language they prefer. Our API supports multiple languages like Turkish, Greek, and Latin.
  • Dedicated Shortcode: Enhance customer interaction with dedicated shortcode service. Ideal for two-way messaging and receiving valuable customer feedback.
  • Bulk SMS API: Empower your applications with our bulk SMS API in Kenya. Ideal for sending mass text messages to numerous mobile networks at once.
  • SMS Gateway: Connect your apps to our SMS gateway for efficient and reliable SMS delivery. Suited for both small and large-scale projects. Try our free SMS gateway for testing.
  • Balance API: With just one API call, you can effortlessly monitor your account balance. This will ensure that your messaging service runs smoothly and without interruption.
  • Code Examples: Browse through our array of code examples in various languages. Try our PHP SMS gateway free of charge and experience seamless SMS integration.
  • API Testing and Troubleshooting: Learn how to perform tests with our API, handle common issues, and troubleshoot effectively.”
  • FAQs: Have questions about our SMS API? Check out our FAQ section for quick answers to common queries.
  • Support: Contact our dedicated support team if you need assistance. Our experts are ready to help you make the most out of our free SMS API.

Jumpstart Your Messaging Success

Frequently Asked Questions

If you’re not a developer, the concept of sms api integration may be somewhat difficult to understand. You may want to look at these questions to understand how programmable sms works.

What is an SMS API?

An application programming interface or API is a set of web-based application programming rules, standards, and instructions. Generally speaking, SMS APIs are released to the public to allow developers to use the API to power their services. The end-user sees only one interface, but many APIs work together behind the scenes and integrate with SMS solutions to deliver a seamless experience.

Do you provide public API documentation for your batch SMS sender?

Of course! Our team has produced an exhaustive SMS API documentation to help you develop your own messaging application through our infrastructure. Our documentation includes information on text messages, distribution lists, personalized fields, accounts and sub-counts, and statistics, encoding and more. Read full SMS Gateway API documentation.

How can I obtain the credentials for the API to send SMS?

Before you get started with the Uwazii MOBILE REST API, you have to register for an account which will give you your API credentials and connect to the API endpoint. This can be done by signing up for free. Once you have received your account credentials, access the API key and connect with your code to send SMS marketing campaigns.

What can I utilise the API for?

You can use our API freely to connect with other SMS platforms and web application to get inbound and outbound messages. Our SMS rest API can also be used to access stored contacts, schedule messages, process bulks requests, and create templates.

How many messages can you send?

Our SMS gateway has a throughput of 10,000 messages per second. You can send mass text messages at a go to different mobile numbers or mobile networks without sim cards.

How different are you from another SMS service provider?

Real-time delivery, lower pricing, and faster turn-around. We created a bulk SMS service that’s different from any other bulk SMS gateway. Supporting both SMPP and REST  HTTP API SMS.

How secure is my data, can you sell or share it?

Our SMS text messaging API is secured with the bank-level security standard. We respect your privacy. Your phone numbers, emails, and messages are yours and will never be sold, used or shared with someone.

Does your platform support the branding of messages?

The SMS messaging API supports sending of messages through shortcodes, alphanumeric sender ID and email domains. Shortcodes and be used to send and receive SMS across different networks and sender IDs can be used to send bulk SMS 1-way.

How do I get delivery receipts?

Using our SMS service API, you can opt to receive receipts via HTTP or XML and can set up to receive by default or provide a delivery receipt request on bulk texting. We are not tied to a specific programming language or operating system.

Is it possible to integrate your API with WordPress?

Yes. We already have a working WordPress plugin that has been integrated with the Uwazii MOBILE API. If you would like to give it a try, check our the WP SMS plugin.

Do you support airtel bulk SMS?

We are directly connected with over 1,000 mobile networks around the world to ensure that our messaging services are outstanding. Out of these connections, Airtel is a major player that we can’t miss being connected to.

Does your application come with SMS dashboard?

We designed our messaging application based on the feedback from our customers. Not only do we provide an SMS dashboard for detailed messaging analytics, but we also offer real-time logs with delivery statuses to the real phone numbers. After sending your bulk SMS messages, refresh the page for more details.

Is there a cutoff time for blast SMS?

Different countries have different regulations for sending bulk sms messages. For instance, in Kenya, Safaricom does not allow the sending of promotional sms between 6pm and 8am. Our account managers are well versed with the regulations for sms marketing in different regions.

Volume Discounts

The more you send the cheaper the mass SMS price.

Duplicate Removal

We remove duplicate contacts and help you save.

No Hidden Costs

Wide variety of reports with detailed billing for each SMS.

Alphanumeric ID

Send blast SMS with your brand name and get recognized.

Flexible Billing

We support pay as you go and monthly billing.

Free SMS Integration

Connect your application with our SMS gateway anytime.

Rejected Messages

We do not bill rejected messages. See help section for details.

International Presence

We support both local and international business.


Get full access to our messaging gateway features.

Data Compliance

100% compliant with the GDPR protocols.

Get Started with Uwazii MOBILE

Ready to revolutionize your communication? Join Uwazii MOBILE today and experience the power of seamless, affordable, web-based bulk SMS service in Kenya. Take the first step towards smarter, quicker, and more effective communication.

Why wait? Start sending SMS from KSh. 0.25 per SMS!
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It's easy to start and can boost your revenue and engagement in no time!


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