Step 1 : Kindly visit http://www.fedex.com/in/newcustomer/and click on Get a Login to generate a login Id and password (if you have the login use the same)
Step 2 : click on sign up/Login in on the top right.
Step 3 : Login to your account.
Step 4 : Click on shipping menu drop down will appear.
Step 5 : In the drop down click on E-Commerce.
Step 6 : In the E-commerce page search for integrated solution.
Step 7 : Under integrated Solutions click on Find out more.
Step 8 : It will take you to the FedEx web Service page.Scroll to the bottom of the page and click on Go to FedEx web Services page
Step 9: Scroll down and search for Move to production and click on it.
Step 10 : Click on Get Production Key
Step 11 : Fill out the form step by step your FedEx Web service API keys will be generated.
Note:
1) Limit the number of characters in Address line to 30
2) Phone number should be added as +919999999999
Once the Keys are generated for web services, you will see the below confirmation image.