Looking for logging into the Tumblr site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Tumblr site. After that you can login as usual with your login credentials.
https://www.tumblr.com/login?
https://www.tumblr.com/tagged/log-in
https://www.tumblr.com/new/link
https://stackoverflow.com/questions/22810226/tumblr-login-in-android-using-signpost
https://stackoverflow.com/questions/31157696/login-with-tumblr-in-uiwebview
https://www.facebook.com/tumblr/
http://wiki.plumrocket.com/Magento_Tumblr_Login_Configuration
https://forums.opera.com/topic/4322/login-in-on-tumblr-no-longer-works
https://www.quantcast.com/tumblr.com
https://visihow.com/Log_in_and_out_of_Tumblr_on_iPhone_6
https://discussions.agilebits.com/discussion/83433/ios-tumblr-app-login-procedures
https://giphy.com/explore/tumblr-log-in
https://github.com/mitro-co/mitro/blob/master/browser-ext/login/common/testdata/html/com.tumblr.login.html