Login with a sandbox account. Visit the FamilySearch Developers
website to learn about how to get one.
Links in the response body are clickable and will automatically
populate the URL when clicked.
XMLHttpRequest hides some information. View the full request and
response in the developer console of your browser.
If you get a 406 Not Acceptable response it means the Accept header
was set to a value that the current endpoint does not support so try
changing the Accept header value.
Review the list of HTTP Status Codes
and their meaning if you don't understand the response.