HTTP GET
GET: The method GET is used to retrieve/read a representation of a resource and should only be used for that purpose When used only for reading is considered safe (no change on the ressource) and even idempotent (one change ).
But what are the risks ?
Why HTTP is not RPC according to Roy Thomas Fielding ? (6.5.2)
Why HTTP is not a Transport Protocol according to Roy Thomas Fielding (6.5.3)
Response Time model
Validation delay model