405 Not Allowed -

"If you want to leave something," the clerk explained, "you need to go to the . That building accepts the POST method. Here, we only let people look."

Eli sighed, realizing his mistake. He had the right address, but he was trying to use an "enter" key on a door that only had a handle to "exit." He tucked his letter away and set off for the correct endpoint. 405 Not Allowed

"The library is right here," the clerk droned, pointing to the shelves of books behind him. "You’ve got the right place. But this is an . It is a read-only establishment. You can GET a book, you can HEAD a title, but you cannot POST a letter here. We simply don't allow that method of interaction." "But I have to leave this letter!" Eli insisted. "If you want to leave something," the clerk

The clerk pointed to a small plaque on the wall—the . It listed the only "verbs" the building accepted: GET, HEAD, OPTIONS . He had the right address, but he was