Adding entries to list in SharePoint using Power Automate and SharePoint HTTP

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Posted on by MS-12091317-0

I have a flow that is to send JSON items to an existing SharePoint List. I keep getting the error message:

The type SP.ListItemEntityCollection does not support HTTP PATCH method.

I've attached a copy of the current set-up. The name of the list I'm trying to add items to is named perdiem_rates. I've tried various versions of the Uri. I tried adding / and removing the /, tried with "web" and without "web".

Here are the main request parameters:

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Business Process Flows

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David_MA 12,220 Super User 2025 Season 2 on at

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Adding entries to list in SharePoint using Power Automate and SharePoint HTTP

I use this method, and it works well for me. One key issue I see, in your Uri, you are not specifying the item to update. That could be your primary issue.

If that doesn't work, you may want to delete the third and fourth lines of the header and then follow the format below for the JSON.

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