# Introduction

SendTalk is an OTP and notification blast solution for your marketing, sales, and customer support needs. This documentation includes a comprehensive guide on what things to do first. Please refer to Messages API for a more advanced guide to send a message from your system to WhatsApp numbers.

## Getting Started

To start using our API, you need to generate an API Key first, to generate an API Key please follow the steps below: 

### How To Generate API Key

#### 1. Go to API Tab

In the side menu, go to **API** Tab, and then click **Create API Key** button

![](https://4266585843-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LfVupFSqh_qZAY9OiCO%2F-McwiulhfCjoWnzf6ohT%2F-McwqicCS9NC2SbieTA9%2FEmpty%202.png?alt=media\&token=faf86f1f-80be-437e-9c23-689537578a87)

#### 2. Fill the Details

Fill the description of the API Key, and add valid duration if necessary

![](https://4266585843-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LfVupFSqh_qZAY9OiCO%2F-McwiulhfCjoWnzf6ohT%2F-McwurLU90oCAy1x8gFk%2FEmpty.png?alt=media\&token=9fdf3cb8-ea43-49e9-880c-a81073315974)

{% hint style="warning" %}
Please note that the API Key can not be used after the expiry date
{% endhint %}

#### 3. Copy the provided API Key

After you complete the API Key creation, please select the **View** button and copy the **API Key** for the API usage.

![](https://4266585843-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LfVupFSqh_qZAY9OiCO%2F-McwiulhfCjoWnzf6ohT%2F-Mcwv4OLVtr5M3K8iOys%2FJust%20Added.png?alt=media\&token=cdb59ce3-2e5e-4e26-a7c7-80114d03a55b)

![](https://4266585843-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LfVupFSqh_qZAY9OiCO%2F-McwiulhfCjoWnzf6ohT%2F-Mcwv6wxRme7sMzNotKx%2FView%20API%20Key.png?alt=media\&token=15fdeb71-63cd-4401-a1a3-3ef93ccbdeb1)