The "DejaCode API Key" field in the "Upload Conclusions" form is always hidden. In order to double check the pasted value, it would be very useful to offer a "Display/Hide" toggle button, while keeping that value hidden by default.

Also, since the API Key never starts nor ends with a whitespace, it would be a good idea to "strip" leading and trailing whitespaces before making the API request. The would help with some copy/paste issues.