If no <code>Accept</code> header is sent, the server will use json, possibly pretty-printed and annotated.
Discuss: it is sometimes recommended to useFuture extension: Client may supply <code>application/vnd.org.stoney-cloud.api+json</code> as <code>Content-Type</code> --[[User:Tiziano|Tiziano]] ([[User talk:Tiziano|talk]]) 13:17, 13 November 2013 (CET)to declare the requested schema/format of the data. This can then also be used to introduce additional versioning.
=== Error codes and responses ===