> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nx1cloud.com/llms.txt
> Use this file to discover all available pages before exploring further.

# View a data API

> View existing data APIs that provide API endpoints to access NexusOne data from your app.

This provides a list of all created data APIs.

## Prerequisites

* Appropriate permission: `nx1_ask` or `nx1_engineer`
* An existing domain created using [DataHub](/platform-components/datahub)
* A previously [ingested](/documentation/data-pipeline/overview/ingest) dataset within a DataHub domain

## View a data API

<Tabs>
  <Tab title="Web portal" icon="browser">
    Perform these steps to view a data API.

    1. Log in to NexusOne.
    2. On the NexusOne homepage, click **Connect**.
    3. In the Data APIs table, select a data API.
  </Tab>

  <Tab title="CLI" icon="square-terminal">
    Use the following `nx1` commands to:

    * [Get a specific data product](/cli-reference/nx1/dataproducts#get).
    * [List several data products](/cli-reference/nx1/dataproducts#list).
  </Tab>

  <Tab title="REST API" icon="code">
    Use the following API endpoint to
    [retrieve a list of data products](/api-reference/endpoints/data-products-formerly-views/retrieves-a-list-of-data-products).
  </Tab>
</Tabs>

## Additional resources

* For an overview of the Data API and API key feature, refer to
  [Data API and API key Overview](/documentation/platform/overview/data-api-and-api-key).
* For more information about the Ask API, refer to [Create an Ask API](/documentation/ai/tasks/ask/create-an-ask-api).
* For more information about the Engineer API, refer to [Create an Engineer API](/documentation/data-pipeline/tasks/engineer/create-an-engineer-api).
* For more information about roles or permissions, refer to [Govern Overview](/documentation/govern/overview).