HTTP 421 Misdirected Request
4xx – Client error
| Status code | 421 |
|---|---|
| Reason phrase | Misdirected Request |
| Class | 4xx – Client error |
| Reference | RFC 9110 |
Frequently asked questions
What does HTTP status 421 mean?
The request was sent to a server that cannot respond for this domain.
Is 421 an error?
Yes, a client error (4xx): the problem lies in the request – for example a wrong URL, missing authentication or invalid data.
Where is HTTP 421 defined?
Status code 421 is specified in RFC 9110.