Safe

The termsafecan have several meanings depending on the context. It may refer to:

Safe (HTTP Methods)
An HTTP method issafeif it doesn't alter the state of the server. In other words, a method is safe if it leads to a read-only operation. Several common HTTP methods are safe:GET,HEAD,orOPTIONS.All safe methods are also idempotent, but not all idempotent methods are safe. For example,PUTandDELETEare both idempotent but unsafe.