SetWordTemplate action is possible to call by Java script , with out using Process JS?

If I search for this on the browser getting error as below

crm8.dynamics.com/api/data/v9.1/SetWordTemplate

{"error":{"code":"0x8006088a","message":"Resource not found for the segment 'SetWordTemplate'.","innererror":{"message":"Resource not found for the segment 
'SetWordTemplate'.","type":"Microsoft.OData.UriParser.ODataUnrecognizedPathException","stacktrace":"