HTTP 404 Not Found

There is no resource at this URL. The server will not say whether there ever was one.

Why you would test it

Test both halves: an id that never existed, and one that was deleted. Also check that a filter matching nothing returns an empty 200 rather than a 404.

Endpoints that return 404

146 endpoints in this playground answer with 404. Every one is free, needs no signup, and can be called from the browser or with curl.

…and 121 more endpoints across the catalog.

Other client error codes

All HTTP status codes · All 37 mock REST APIs · Getting started guide