WordPress: Where to Add Ping Services
If you’re running a WordPress blog, I think you would like to spread the word about it in the fastest way possible. You know – there are some ping services, that receive your blog updates and list them/ How to integrate them into WordPress?
We need to be logged in as admin to go to the settings panel. 
Then we need to go to Writing Section:
Scroll down to find the list of update services. Add your ping services and have fun!