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My google searches have all led to dead ends.

Is there a way to retrieve the durable link code for a document using the REST API?

When you copy a link in the GUI, it takes the form of:-

https://mysite.sharepoint.com/sites/mysite/mylibrary/myDocSet?d=w9570bf1d91a541679abbf03996bbbff7

I would like to know how to retrieve the d=.... part, using the SharePoint REST API, given I have the ID of the library item (e.g 847) and the library location details etc.

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It is present in the LinkingUrl property of the file in a document library.

So, to get that value, you need to modify the endpoint as below:

https://mysite.sharepoint.com/sites/mysite/_api/web/lists/getbytitle('mylibrary')/items(847)
?$select=File/LinkingUrl&$expand=File

Reference - SP Durable links

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  • I had seen that page, however I couldn't resolve how to apply it to an endpoint.
    – user77766
    Commented Sep 6, 2018 at 14:32
  • I get a response from the server, however it does not appear to contain the required field. (It does not contain a value that matches the string obtainable from the SP GUI for the same Document Set in the same Document Library) Nor does it contain a node 'LinkingURL'. Any other hints to what I might be doing wrong?
    – user77766
    Commented Sep 6, 2018 at 14:36
  • The above code works for Files. To make it work for folder or document sets, you can use https://mysite.sharepoint.com/sites/mysite/_api/web/lists/getbytitle('mylibrary')/_api/web/lists/getbytitle('Documents')/items(32)?$select=*,Folder/UniqueId&$expand=Folder. It will give you the uniqueId property of the document set which will be the value you can use for d=... section !
    – Gautam Sheth
    Commented Sep 6, 2018 at 14:48
  • That's great - thank you. The REST API is now returning a <d:UniqueId> node, with a value similar to the GUI's. Is it safe to assume that I should always pre-pend a w, and strip out the dashes (-) to arrive at the same link the GUI would supply?
    – user77766
    Commented Sep 6, 2018 at 15:35
  • Also, BTW, I believe there was a surplus /_api/web/lists/getbytitle('Documents') in the URI you posted in your comment, above - I ended up using https://mysite.sharepoint.com/sites/mysite/_api/web/lists/getbytitle('mylibrary')/items(32)?$select=*,Folder/UniqueId&$expand=Folder
    – user77766
    Commented Sep 6, 2018 at 15:40

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