How to find discovery service URL in crm 2013

Discovery Service is a web service which let 3rd party applications determine the organizations that a particular user belongs to. It provides information such as the organization friendly name, URL endpoints, unique id, version, unique name, URL name.
For determine the discovery service URL :
1.    Log into CRM web interface with administrator credential



2.    Click on “EASY NAVIGATE”
3.    Type “customization” or just click on customization

 

4.    Click on “ developer resources”

 

5.    Here you can see discovery service URL and other urls