Find the Workflow Service URL for a SharePoint 2013 Farm

In case anyone needs to find the registered workflow service address for a SharePoint 2013 farm, here’s a short PowerShell snippet to list the details.

[Void][System.Reflection.Assembly]::loadwithpartialname("Microsoft.SharePoint.WorkflowServicesBase")
$web = Get-SPSite -Limit 1 -WarningAction SilentlyContinue | Get-SPWeb
$wfm = New-Object Microsoft.SharePoint.WorkflowServices.WorkflowServicesManager($web)
$wfm | SELECT *

or (added on 5/13/2013)

 $wfProxy = Get-SPWorkflowServiceApplicationProxy            
$wfProxy.GetWorkflowServiceAddress((Get-SPSite -Limit 1 -WarningAction SilentlyContinue))

The above PowerShell will show you the value for the registered WorkflowServiceAddress. The /SharePoint/ segment of the URL is added by SharePoint during registration process, you should not add segment to your registration URL.

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If you need to change the URL of your workflow service, you can use the Register-SPWorkflowSerivce cmdlet on your 2013 farm.  You will need to use the -Force option if you need to update the value for a SharePoint 2013 farm that that is already registered to an existing workflow service.