# 401 Unauthorized

> HTTP response status code

**Wikidata**: [Q97442595](https://www.wikidata.org/wiki/Q97442595)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HTTP_401)  
**Source**: https://4ort.xyz/entity/401-unauthorized-q97442595


## References

1. RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
2. RFC 7235: Hypertext Transfer Protocol (HTTP/1.1): Authentication