PUT Request: ID in body or URI?

• https://stackoverflow.com/questions/27900041/rest-put-ids-in-body-or-not
• https://restfulapi.net/rest-put-vs-post/
• https://softwareengineering.stackexchange.com/questions/263925/to-include-a-resource-id-in-the-payload-or-to-derive-from-uri

In general: PUT should be idempotent and mirror behavior of GET