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How to Find a SharePoint Site ID and Resource ID

Adam Davis Sep 30, 2026 869 views

Question details

Users need to find the SharePoint site ID and resource ID to configure development tasks, Microsoft Graph API calls, or PowerShell integrations.

How to Find a SharePoint Site ID and Resource ID

Product: Microsoft SharePoint
Device & OS: not provided
Scenario: Setting up Microsoft Graph API, PowerShell scripts, or Power Automate workflows that require a specific SharePoint site GUID.
Observed behavior: SharePoint site information pages do not natively display the site ID or resource ID, requiring users to extract them manually.

Before you start

Ensure you have the correct SharePoint site URL and the necessary permissions to view site properties or access developer tools in your web browser.

Solution 1Recommended

Append the API Path to the SharePoint Site URL

The quickest way to retrieve the site GUID is by using SharePoint's built-in REST API endpoint directly in your web browser.

This method works for most SharePoint Online environments and does not require any specialized development tools or authentication beyond standard site access.

Navigate to your SharePoint site

Open your web browser and log in to the specific SharePoint site you want to query (for example: https://companyname.sharepoint.com/sites/sitename).

Append the API parameter

Click inside the browser's address bar and add `/_api/site/id` to the very end of your site's URL.

Retrieve the GUID

Press Enter to load the page. The browser will display an XML response containing the unique Site ID (GUID) enclosed within the `<d:Id>` tags.

Append the API Path to the SharePoint Site URL

Fast Retrieval: Copy the text between the XML tags without any spaces. This is your exact Site ID required for Graph API.

Solution 2

Inspect the HTML Page Source

If the API URL method is restricted, you can manually extract the siteId from the HTML source code of the SharePoint page.

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Frequently Asked Questions

What is a SharePoint Site ID used for?

A SharePoint Site ID is a unique identifier (GUID) required by developers to execute Microsoft Graph API calls, run PowerShell scripts, or build Power Automate workflows that interact with data in a specific SharePoint site.

Why does the Microsoft Graph API return multiple site IDs?

When querying SharePoint through Microsoft Graph, the API response may include IDs for the root site, sub-sites, or associated Microsoft 365 groups. You must parse these results or query via a specific relative URL to find the exact GUID that matches your target site.

Can I use PowerShell to find the Site ID?

Yes. You can use the SharePoint Online Management Shell and run the `Get-SPOSite` cmdlet, specifying your target site URL, to retrieve the site properties including its unique GUID.

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