Send Free Message via API

Connect your application with TheNux. Discover how easy it is to integrate TheNux API with your website, app, software or CRM application. We support all programming languages including PHP, .NET, C#, Java, Python, Ruby etc.

Free OTP

A One Time Password (OTP) is a unique code/token generate by your application, sent to a user every time a login attempt is made. Send free OTP via TheNux to save costs, meanwhile maintaining account security.

Replace SMS

TheNux eliminates your SMS cost, allows you to send bulk text messages to your opted-in customers for free. It is totally free 2-way messaging both locally and internationally, whilst improving and enhancing your customer service.

Understanding the benefits of TheNux API production allows you to unlock the sizable potential


TheNux APIs allow machines to handle the workload, which would otherwise require the manual work of a human. This can be as simple as having one content update propagate to multiple users at once.


The users of your website, businesses and non-profits benefit from the ability to personalize sessions with the information and services that are most useful for them.


TheNux APIs allow your content to be more easily embedded or interwoven to TheNux app. Thus, you can ensure relevant, smooth, up-to-date information and integrated user experience.


Providing API access allows content to be automatically published or made available to many channels. Your content is ready for easy sharing and redistribution to deliver your mission directly to more users.


APIs can be used to distribute information that can be customized to provide tailored user experiences. People who do not come to your website can get information or services from TheNux.

3 Simple Steps To Get Started

Create Business Account

Click the “Create Business Account”. Follow the simple steps and fill in the verification code received from TheNux app.

Install TheNux App

Download and install TheNux app from Appstore or Playstore. Open TheNux app and register an account with your mobile number.

Set Up

After logging in, on left side menu select “Messenger”, then click “TheNux API”. Click “Generate API Key” on top right side. Please refer our “Documentation” for set up the API.


Real-Time Report

Receive real time report from your website/system.

High Security

Your conversation are end-to-end encrypted.

Global Coverage

Get international exposure without boundary.


It’s free and always will be.

Customer Service

Our customer support is always ready to support.

Send Us Your Question


API Documentation
  • Payment Gateway
  • Messenger API
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