ip instead localhost - use paypal sandbox

Question

i want to test paypal transaction in my website.

problem is that they want to work with IP instead localhost of my machine.

how can i change localhost into some static IP address?

Answer 1

Ip of localhost is 127.0.0.1 , use it

EDIT

By the way you can call in cmd ipconfig -all and look at your ip

plus you can check it here My IP