> ## Documentation Index
> Fetch the complete documentation index at: https://private-7c7dfe99-fix-nav-issues.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Data sources

> Table of contents page for the ClickHouse Cloud guides section

<h2 id="cloud-integrations">
  Cloud integrations
</h2>

This section contains guides and references for integrating ClickHouse Cloud with external data sources that require additional configuration.

| Page                                                                                         | Description                                                            |
| -------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------- |
| [Cloud IP addresses](/products/cloud/guides/data-sources/cloud-endpoints-api)                | Networking information needed for some table functions and connections |
| [Accessing S3 data securely](/products/cloud/guides/data-sources/accessing-s3-data-securely) | Access external data sources in AWS S3 using role based access         |
| [Accessing GCS data securely](/products/cloud/guides/data-sources/secure-gcs)                | Access external data sources in GCS securely using HMAC keys           |

<h2 id="additional-connections-for-external-data-sources">
  Additional connections for external data sources
</h2>

<h3 id="clickpipes-for-data-ingestion">
  ClickPipes for data ingestion
</h3>

ClickPipes allow customers to easily integrate streaming data from a number of sources. Refer to [ClickPipes](/integrations/clickpipes/home) in our Integrations documentation for additional information.

<h3 id="table-functions-as-external-data-sources">
  Table functions as external data sources
</h3>

ClickHouse supports a number of table functions to access external data sources. For more information, refer to [table functions](/reference/functions/table-functions/index) in the SQL reference section.