Hi. I created a separate Sandbox user login, different than the Developer login at
https://developer.ebay.com/DevZone/sandboxuser/default.aspx. Registration was successful, but I am not able to login using the credentials. Also, I didn't get any email from ebay about sandbox registration confirmation. I tried creating a new account again, entering the same userid and email, it threw an error saying User ID already registered. So that means an account creation was successful in first attempt. My test username is TESTUSER_nidhi. Thank you in advance.