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Naxai
Naxai

SMS API

Send SMS in real time from your applications

Integrate SMS sending directly into your applications with a secure, scalable REST API.

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?
                Yes, a complete developer documentation with code examples is available on docs.naxai.com
                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.