HTTP 425 — Too Early
The server is unwilling to risk processing a request that might be replayed
When to use it
Use status 425 when this is the correct HTTP response semantic: The server is unwilling to risk processing a request that might be replayed
Request and response example
GET /protected-resource HTTP/1.1
Host: api.example.com
HTTP/1.1 425 Too Early
Content-Type: application/json
{"error":"Request cannot be completed"}