Ship returning 404 when trying to install update package

[Prashantkp]

Ship returning 404 when trying to install update package.
Here is the script i'm trying for.
Invoke-WebRequest -Uri "http://mydomain/services/package/install" -Method Post -ContentType "application/x-www-form-urlencoded" -Body @{"path"="@D:\Users\Parsh\Desktop\test.update";"DisableIndexing"=$true} -UseBasicParsing -TimeoutSec 5000

And i'm getting below error.
`

    404 - NotFound
    The resource you have requested cannot be found.
    We're sorry :-(




  Graphics courtesy of the awesome Matthew Inman

At line:1 char:1

• Invoke-WebRequest -Uri "http://mydomain/services/package/inst ...

•   + CategoryInfo          : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-WebRequest], WebExc
   eption
    + FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommand`
  
  
  
  

I'm using .net framework 4.6.2. also doubled checked all the configuration, everything looks fine,

Appreciate your support.