Hi @Abdul Saif Babu ,
I'm creating the sub site using "/_api/web/webinfos/add":
Uri: {rootsite}/_api/web/webinfos/add
Method: POST
Header: {content-type:'application/json;odata=verbose'}
Body:{
"parameters":{
"__metadata":{
"type":"SP.WebInfoCreationInformation"
},
"Url":"NewSubSite",
"Description":"NewSubSite description",
"Title":"NewSubSite Site",
"Language":1033,
"WebTemplate":"STS#0",
"UseUniquePermissions":true
}
}
Reference:
Create Sub Site in SharePoint using REST API
Thanks
Best Regards
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