Step 1: Click on this page https://www.tumblr.com/oauth/apps and login with your account



Step 2: Click on “Register application” button 



Step 3: Create your App info.


• At “Default Callback URL”, you need to enter the URI provided on Social Login Pro app back end


• Click “I’m not robot” then click on “Register” button.



Now you are done, copy Consumer key and Secret key then put on your Social Login Pro app configuration.