SharePoint REST API _api/sitepages/pages(49)/SavePageAsDraft Call Hangs Indefinitely

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Posted on by Noek

Hi everyone,

I'm encountering an issue with the SharePoint Online REST API when trying to save a page using the following endpoint:

_api/sitepages/pages(49)/SavePageAsDraft

The API call keeps running indefinitely and doesn't complete, even after several hours. Here are the details of my setup:

API Call Body:
```
 
```
json

{ "__metadata": { "type": "SP.Data.SitePagesItem" }, "CanvasContent1": "@{outputs('Translate_text_into_another_language_2')?['body/responsev2/predictionOutput/text']}" }

(The CanvasContent1 value resolves to a string dynamically in my workflow.)
Headers:
- Authorization: Bearer <token>
- Content-Type: application/json;odata=verbose
- Accept: application/json;odata=verbose

Testing with a minimal payload like:
```
 
```
json

{ "__metadata": { "type": "SP.Data.SitePagesItem" }, "CanvasContent1": "Test content" }

The issue persists even with this simplified payload.
Ensuring that my access token is valid and has the necessary permissions.
Verifying that other API calls (like GET requests to _api/sitepages) work fine.
Setting timeouts on my client to avoid indefinite hanging (though this doesn’t solve the root issue).

Has anyone encountered similar issues with the SavePage API endpoint in SharePoint Online?
Are there any specific configurations or known limitations of this endpoint that might cause it to hang?
Could this be related to the size or complexity of the CanvasContent1 field? If so, how can I debug or optimize it?

Any guidance or suggestions would be greatly appreciated!

Thanks in advance for your help!

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