I am creating a functionality where I need to check if a particular list exist in SharePoint online site/web. The catch here is there would be more than 10000 lists where I am checking. I found a way to check using CSOM code which takes a minute to come back with the result. I am looking for a way which would respond to me faster. I guess REST would have unique URL for the list hence tried that but not able to find any proper information on this. I am looking for suggestions. Any suggestion will be of great help.

Thanks in advance

  • How do you know what List to look for? Or are you searching for a list? – Danny '365CSI' Engelman Jun 16 '16 at 18:28
  • We have the list title with us... – Sree Kuttan Jun 16 '16 at 18:45

You can invoke the REST API as below


If the list doesn't exists then you can expect below response

<m:error xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata">
    <m:code>-1, System.ArgumentException</m:code>
    <m:message xml:lang="en-US">List 'Test100' does not exist at site with URL 'https://siteurl'.</m:message>
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  • How fast would that be any idea?? – Sree Kuttan Jun 16 '16 at 18:47
  • It will be under a second. – Amal Hashim Jun 16 '16 at 18:47
  • But what if the list is in a subsite? – Danny '365CSI' Engelman Jun 16 '16 at 19:03
  • You can format the URL accordingly like http://sitecollection/site/site/_api.. – Amal Hashim Jun 16 '16 at 19:04
  • The error that u have listed above does it come in success or on error of ajax call?? – Sree Kuttan Jun 17 '16 at 5:48

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