Standard REST API has limited verbs if using http verbs. However in reality and many business contexts, they are not enough. In the past, many options are proposed. Today I found another option in FHIR. It might be helful to put them here for comparison. Control data in request In stackoverflow What to do when you need more verbs in REST, cheeso gave the answer below. It is like the way json-rpc, not well-specified version.