-  
[ HTTP Semantics  
#  status.502  ](https://www.rfc-editor.org/rfc/rfc9110#status.502)  
  
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##  See also

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  * [ HTTP Status Code Definitions ](https://httpwg.org/specs/rfc9110.html#status.502)

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  *[
                
                 Non-standard
                
               ]: Non-standard. Check cross-browser support before using.
  *[
                
                 Deprecated
                
               ]: Deprecated. Not for use in new websites.
  *[
                
                 Experimental
                
               ]: Experimental. Expect behavior to change in the future.