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

# How to create Peaka REST API catalog with authentication

> Learn how you can create Peaka REST API catalog with authentication

This article explains how you can create Peaka REST API catalog with authentication.

## Creating Peaka REST API catalog with authentication

Follow these simple steps to create Peaka REST API catalog with authentication:

1. **Open New Data Source Modal:**
   Click on the "New Data Source" button in the left sidebar and click on "Connect Rest API" button. It will open a modal to create a new Peaka REST API catalog.

<img src="https://cdn.peaka.com/how-to-guides/how-to-create-peaka-rest-api-catalog-with-authentication-1.png" alt="create new Peaka REST API catalog" />

2. **Enter the API Details:**
   Enter the API details such as URL, parameters, headers, body, etc.

<img src="https://cdn.peaka.com/how-to-guides/how-to-create-peaka-rest-api-catalog-with-authentication-2.png" alt="enter API details" />

3. **Add Authentication:**

   * To add authentication, click on the "Authentication" and it will open a modal to add authentication.
   * Select the authentication type from the dropdown.
   * Enter the authentication details such as username, password, token, etc.
   * Click on the "Create" button to create the authentication.

<img src="https://cdn.peaka.com/how-to-guides/how-to-create-peaka-rest-api-catalog-with-authentication-3.png" alt="add authentication" />

4. **Run your API:**
   Click on the "Send" button to run your API.

5. **View the API Response:**
   Check your API response under the "Output" tab.

<img src="https://cdn.peaka.com/how-to-guides/how-to-create-peaka-rest-api-catalog-with-authentication-4.png" alt="view API response" />

6. **Update Data Profile:**

   * Click on the "Next" button, it will show the data profile of the API response.
   * You can update your column names, types, comments, etc.

<img src="https://cdn.peaka.com/how-to-guides/how-to-create-peaka-rest-api-catalog-with-authentication-5.png" alt="update data profile" />

7. **Update Pagination Strategy:**

   * Click on the "Next" button, it will show the pagination strategy of the API response.
   * Select your pagination strategy from the dropdown by your API design.

<img src="https://cdn.peaka.com/how-to-guides/how-to-create-peaka-rest-api-catalog-with-authentication-6.png" alt="update pagination strategy" />

8. **Update Parameters for Query:**

   * Click on the "Next" button, it will show the parameters for query of the API response.
   * You can add new parameters by clicking on the "New Parameter" button.
   * You can update the parameter key, parameter type, data type, default value etc.

<img src="https://cdn.peaka.com/how-to-guides/how-to-create-peaka-rest-api-catalog-with-authentication-7.png" alt="update parameters for query" />

9. **Create Catalog:**

   * Click on the "Create" button to create the catalog.
   * Enter the fields such as catalog name, schema name, table name, etc.
   * Click on the "Create" button to create the catalog.

<img src="https://cdn.peaka.com/how-to-guides/how-to-create-peaka-rest-api-catalog-with-authentication-8.png" alt="create catalog" />

That's it! You have created a Peaka REST API catalog with authentication.

<img src="https://cdn.peaka.com/how-to-guides/how-to-create-peaka-rest-api-catalog-with-authentication-9.png" alt="peaka rest api catalog with authentication" />