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How to Update SharePoint Site Storage Quota Using Power Automate?

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Posted on by asit00

Hi Everyone,

I want to increase the storage quota of a SharePoint site using Power Automate.

Is it possible to update the site’s storage limit (quota) using HTTP Request to SharePoint?

If yes, what is the correct API request and what permissions are required?

Thanks in advance!

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MS.Ragavendar 6,446 Super User 2026 Season 1 on at

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@asit00,

Needed : Site ID

Method : Post

Property : StorageMaximumLevel

MS Space : https://learn.microsoft.com/en-us/previous-versions/office/sharepoint-csom/dn174828%28v=office.15%29

Value which we passing is only of MB not GB so you have set the values based on the MB.

URI

_api/Microsoft.Online.SharePoint.TenantAdministration.Tenant/Sites('@{outputs('Send_an_HTTP_request_to_SharePoint_-_Get_Site_Id')?['body']['Id']}')

Headers

{ "Accept": "application/json;odata=nometadata", "Content-Type": "application/json;odata=nometadata", "X-HTTP-Method": "MERGE" }

Body

{ "StorageMaximumLevel": "256000" }

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MS.Ragavendar 6,446 Super User 2026 Season 1 on at

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@asit00,

A quick follow-up to see, does the suggestion worked for you or still you were looking for any other approaches or assistance.

✅ Please click Accept as solution if my post helped you solve your issue and help others who will face the similar issue in future.

❤️ Please consider giving it a Like, If the approach was useful in other ways.

🏷️ Please tag me @MS.Ragavendar if you still have any queries related to the solution or issue persists.

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