
For modern applications
What is SMS API
SMS API allows you to send SMS messages programmatically from your applications, platforms, or backend systems.
With Naxai’s REST API, you can trigger SMS delivery in real time or schedule it using simple HTTP requests. Messages are sent with full control over content, personalization, delivery rules, and reporting.
SMS API is designed for developers and technical teams who need direct, reliable, and flexible SMS integration.
Built for developers, trusted by businesses
Because timing matters
Modern applications require real-time communication. SMS API enables instant message delivery directly from your systems.
It is the ideal solution if you want to:
- Send transactional or operational SMS in real time or schedulded.
- Integrate SMS directly into your product or platform
- Handle dynamic content and personalization at scale
- Monitor delivery and performance programmatically
- Build advanced messaging logic using events and webhook
SMS API fits perfectly into event-driven architectures and modern tech stacks.

Full control from API call to delivery report
Everything you need to send SMS

REST API (JSON over HTTPS)
Simple, well-documented endpoints designed for fast and easy integration.

Real-time SMS sending
Trigger SMS messages instantly based on user actions, system events, or application logic.
Personalization
Use dynamic variables to personalize each message per recipient.
High-volume & scalable delivery
Built to handle everything from a few messages to millions per day.
Delivery reports & webhooks
Receive delivery statuses and message events directly in your systems.
Security & authentication
Secure API access using API keys and IP restrictions.

Rules & throttling
Control sending windows, rate limits, and frequency rules to protect user experience.

Scheduling & Calendar
Notify your team instantly about critical updates or system events.
A straightforward integration
How SMS API works

1. Generate API credentials
Create API keys and configure security settings.

2. Test the API
Test our API directly from the documentation before integrating it.

3. Compose your message
Define content, personalization variables, and sender information…

4. Integrate the API
Integrate our code into your system to automate SMS sending directly from your workflows.

5. Send in real time or schedule
Each API call can trigger immediate SMS delivery or can be scheduled.
6. Track delivery
Receive delivery reports and status updates via webhooks in your own system.
Real-time events. Real-world impact
Turn events into instant communication

Authentication & security
Secure user access and protect accounts by sending OTPs, login codes, and verification messages.

Transactional notifications
Provide real-time reassurance by confirming orders, payments, or account updates instantly.

Customer service alerts
Notify users of ticket updates, service incidents, or responses to keep users informed and reduce uncertainty.

Marketing & Sales
Drive engagement and retention by reaching customers at the right moment.
INTEGRATION
Seamless Salesforce CRM Integration
Connect your SMS API to Salesforce effortlessly and automate your communication workflows.

FAQ
Frequently Asked Questions
What is the Naxai SMS API?
The SMS API allows you to send, receive, and track SMS messages directly from your applications or systems.
Which protocols and programming languages are supported?
The REST/JSON API is compatible with any language that can make HTTP requests: Python, Java, PHP, etc.
Is there a guide or documentation for integration?
Can I track the delivery status of my SMS in real time?
Yes, the API provides detailed status for each SMS, including the final delivery status: sent or failed.
Send better messages, powered by Naxai
Reliable delivery
Our platform is directly connected to all major Belgian operators, ensuring fast and secure message delivery — even for large campaigns.
Dedicated support
Talk to real people who know your business. Our responsive support team is here to guide you quickly and effectively – whenever you need it.
All-in-one platform
Manage contacts, create templates, schedule campaigns, build API, track performance — everything you need is in one powerful, user-friendly tool.
SMS API — fast, flexible, reliable
Build real-time SMS communication directly into your applications with Naxai’s SMS API.
