ETags for REST APIs

Let’s learn about the ETags and their usage in Spring Data Rest.

We'll cover the following...

What is an ETag?

An ETagEntity-Tag is an HTTP response header to determine a specific version of a resource. It allows a web server to not send a complete response if the content has not changed. Therefore, an ETag improves web caching and saves bandwidth usage.

Configuration

The quickest way to add ETag support in our REST APIs ...