> ## Documentation Index
> Fetch the complete documentation index at: https://estate96.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Welcome to Render9 OTP documentation

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## What is Render9 OTP ?

Render9 OTP is a SDK that helps developers to build whatsapp business API based app with ease and faster. You can build chat bots or integrate the SDK with you existing backend to enable whatsapp based communication in your application.

## What problems does it solves ?

<p>-- Whatsapp business API is a powerful tool to enable communication with your customers. But it is not easy to build a chat bot or integrate the API with your existing backend.</p>

<p>-- Render9 OTP solves this problem by providing a simple and easy to use SDK that helps you to build chat bots or integrate the API with your existing backend. </p>

<p>-- Render9 OTP provides a in-depth abstraction over whatsapp business api and provides a simple and easy to use API to interact with the whatsapp business API.</p>

<CardGroup cols={2}>
  <Card title="Listen to incoming notifiations" icon="pen-to-square" href="#">
    Listen to incoming messages, status updates and other notifications from whatsapp business API.
  </Card>

  <Card title="Manage you WhatsApp Business Account" icon="message" href="#">
    Manage Account, template messages, phone numbers and even fetch analytics seamlessly.
  </Card>

  <Card title="Use with multiple phone number to send and recieve messages" icon="shield" href="#">
    Render9 OTP enables you to create multiple messaging client with different phone numbers to send and recieve messages.
  </Card>

  <Card title="Easy to use with abstraction" icon="gear" href="#">
    You do not need to worry of complex API payload structure anymore. Just use the simple to construct classes and methods.
  </Card>
</CardGroup>