idden ` ](/en-
US/docs/Web/HTTP/Status/403) status code, except that in situations resulting
in this status code, user authentication can allow access to the resource.

##  Status

http

    
    
    401 Unauthorized
    

##  Example response

http

    
    
    HTTP/1.1 401 Unauthorized
    Date: Wed, 21 Oct 2015 07:28:00 GMT
    WWW-Authenticate: Basic realm="Access to staging site"
    

##  Specifications

Specification  
---  
[ HTTP Semantics  
#  status.401  ](https://www.rfc-editor.org/rfc/rfc9110#status.401)  
  
##  Browser compatibility

BCD tables only load in the browser  with JavaScript enabled. Enable
JavaScript to view data.

##  See also

  * [ HTTP authentication ](/en-US/docs/Web/HTTP/Authentication)
  * [ ` WWW-Authenticate ` ](/en-US/docs/Web/HTTP/Headers/WWW-Authenticate)
  * [ ` Authorization ` ](/en-US/docs/Web/HTTP/Headers/Authorization)
  * [ ` Proxy-Authorization ` ](/en-US/docs/Web/HTTP/Headers/Proxy-Authorization)
  * [ ` Proxy-Authenticate ` ](/en-US/docs/Web/HTTP/Headers/Proxy-Authenticate)
  * [ ` 403 ` ](/en-US/docs/Web/HTTP/Status/403) , [ ` 407 ` ](/en-US/docs/Web/HTTP/Status/407)

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