The term safe can have several meanings depending on the context. It may refer to:
- Safe (HTTP Methods)
- An HTTP method is safe if 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:
OPTIONS. All safe methods are also idempotent, but not all idempotent methods are safe. For example,
DELETEare both idempotent but unsafe.