Looking for logging into the Itunes Credit Card 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 Itunes Credit Card site. After that you can login as usual with your login credentials.
https://support.apple.com/en-us/HT201266
https://support.apple.com/en-ph/HT202631
https://support.apple.com/en-ph/HT204034
https://support.apple.com/en-ph/HT204316
https://support.apple.com/en-ph/HT201292
https://support.apple.com/en-ph/HT205102
https://www.lifewire.com/remove-credit-card-from-itunes-account-1994608
http://www.iphonehacks.com/create-itunes-account-without-credit-card
https://www.cultofmac.com/43040/get-a-u-s-itunes-account-anywhere-in-the-world-how-to/
https://www.wur.nl/upload_mm/6/4/f/7750fd78-109a-4df3-96f9-68a1d8bf94e1_Creating%20your%20Apple%20ID%20in%20iTunes%20%28with%20or%20without%20creditcard%29_UK_New.pdf
https://japancodesupply.com/pages/how-to-create-itunes-japan-store-account-without-credit-card
http://ipodiphoneitunestutorials.com/iTunesTutorials/changeCreditCardInformation.php