The resource existed and has been permanently removed. Unlike a 404, the server is stating that it will not come back.
Most clients collapse 410 into 404 and keep retrying a URL that will never work again. Test it separately and stop retrying.
6 endpoints in this playground answer with 410. Every one is free, needs no signup, and can be called from the browser or with curl.
GET https://funapi.dev/api/airline/v1/bookings/{id} — Existed once, cancelled since — Gone (Airline API)GET https://funapi.dev/api/protocol/v1/documents/{id} — Deleted — Gone (Protocol Lab API)DELETE https://funapi.dev/api/protocol/v1/documents/{id} — Already deleted (Protocol Lab API)GET https://funapi.dev/api/shop/v1/coupons/{code} — Existed once, expired since (Shop API)GET https://funapi.dev/api/worldcup/v1/tickets/{id} — Order cancelled (World Cup 2026 API)DELETE https://funapi.dev/api/worldcup/v1/tickets/{id} — Already cancelled (World Cup 2026 API)All HTTP status codes · All 37 mock REST APIs · Getting started guide