Looking for logging into the Amazon Pay Sign In 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 Amazon Pay Sign In site. After that you can login as usual with your login credentials.
https://pay.amazon.com/jp/shopper
https://pay.amazon.com/us/help/201212200
https://pay.amazon.com/jp/
http://www.jex-online.com/amazonpayment.html
https://payments.amazon.co.jp/jr/your-account/orders
https://www.amazon.co.jp/gp/help/customer/display.html?nodeId=201895570
https://www.amazonpay.in/customer
https://www.amazonpay.in/help/201754620
https://qiita.com/p_s_m_t/items/70a5212e18002db0d0e2
https://recurly.com/gateways/amazon-pay/
https://docs.woocommerce.com/document/amazon-payments-advanced/
https://help.ting.com/hc/en-us/articles/205428198-Login-and-pay-with-Amazon-
https://netshop.impress.co.jp/node/1620