How to get ACCESS key of bit.ly
1.Create/Sign up for account at bit.ly .
2.Then go to to bit.ly and Click the hamburger icon at the top right
4.Then click your name/ email id in the popup opened.
5.Then Click on the Generic access token.
6.Fill the password and select the account then click GENERATE TOKEN button to get the token. 7.Thats it. Now you could use the access token in the apps/extensions you needed.