Looking for logging into the Amazon Tester 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 Tester site. After that you can login as usual with your login credentials.
https://developer.amazon.com/login-with-amazon
https://www.amazon.com/gp/vine/help
https://developer.amazon.com/live-app-testing
https://developer.amazon.com/
https://developer.amazon.com/docs/login-with-amazon/web-docs.html
https://developer.amazon.com/docs/login-with-amazon/documentation-overview.html
https://developer.amazon.com/test
https://www.amazon.com/Amazon-App-Tester/dp/B00BN3YZM2
https://www.amzfinder.com/blog/become-amazon-reviewer-best-practice-2018/
http://amazon.creativestyle.de/en/latest/testing.html
https://amzn.github.io/amazon-payments-magento-2-plugin/testing.html
https://github.com/awslabs/amazon-guardduty-tester
https://splitly.com/