Links on the web break all the time. There are really two problems:

• Link rot: Following a link yields a "404 Not Found" error message.
• Content drift: The content at the end of the link changes over time, possibly to the point where it loses all similarity with the originally linked content.

Robustifying your links addresses these problems. It increases the chances that links will lead to meaningful content, even long after they were put in place. The following three pieces of information robustify a link in a machine-actionable manner:

• The URI of the original resource.
• The URI of the snapshot.
• The date of linking.

REST API docs: https://robustlinks.mementoweb.org/api-docs/