Looking for logging into the Kindle Sign In Help 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 Kindle Sign In Help site. After that you can login as usual with your login credentials.
https://www.amazon.com/gp/help/customer/display.html/ref%3Dhp_gt3_mya_apsi%3FnodeId%3D201945300
https://www.amazon.com/gp/help/customer/display.html%3FnodeId%3D201121280
https://www.amazon.co.uk/gp/help/customer/display.html%3FnodeId%3D201246060
https://www.amazon.co.uk/gp/help/customer/display.html%3FnodeId%3D201246260
https://help.netflix.com/en/node/23932
https://www.youtube.com/watch%3Fv%3DjD2Pv3S2wy0
https://play.google.com/store/apps/details%3Fid%3Dcom.amazon.kindle%26hl%3Den_US
https://intercom.help/wantboard/instructions/transferring-your-amazon-kindle-store
https://www.reddit.com/r/kindle/comments/6b7xqr/unable_to_register_kindle_paperwhite/
https://help.nytimes.com/hc/en-us/articles/115014889068-Kindle-subscribers
https://www.quora.com/How-do-I-know-my-Amazon-login-ID-to-register-my-Kindle
https://support.vitalsource.com/hc/en-us/articles/202326698-Installing-Bookshelf-on-Amazon-Kindle-Fire
https://www.goodreads.com/help/show/448-how-do-i-get-goodreads-on-my-kindle