# 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

![](/files/-McwqicCS9NC2SbieTA9)

#### 2. Fill the Details

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

![](/files/-McwurLU90oCAy1x8gFk)

{% 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.

![](/files/-Mcwv4OLVtr5M3K8iOys)

![](/files/-Mcwv6wxRme7sMzNotKx)


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.taptalk.io/sendtalk-api-documentation/introduction.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.