ShasTech-IT · Software & Training

HTTP Status Code Reference

Look up common HTTP response codes, meanings, and practical troubleshooting notes.

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HTTP status code

Code	Meaning	Category
`100`	Continue	Informational
`101`	Switching Protocols	Informational
`103`	Early Hints	Informational
`200`	OK	Success
`201`	Created	Success
`202`	Accepted	Success
`204`	No Content	Success
`206`	Partial Content	Success
`301`	Moved Permanently	Redirection
`302`	Found	Redirection
`303`	See Other	Redirection
`304`	Not Modified	Redirection
`307`	Temporary Redirect	Redirection
`308`	Permanent Redirect	Redirection
`400`	Bad Request	Client Error
`401`	Unauthorized	Client Error
`403`	Forbidden	Client Error
`404`	Not Found	Client Error
`405`	Method Not Allowed	Client Error
`408`	Request Timeout	Client Error
`409`	Conflict	Client Error
`410`	Gone	Client Error
`413`	Content Too Large	Client Error
`415`	Unsupported Media Type	Client Error
`418`	I'm a teapot	Client Error
`422`	Unprocessable Content	Client Error
`426`	Upgrade Required	Client Error
`429`	Too Many Requests	Client Error
`431`	Request Header Fields Too Large	Client Error
`451`	Unavailable For Legal Reasons	Client Error
`500`	Internal Server Error	Server Error
`501`	Not Implemented	Server Error
`502`	Bad Gateway	Server Error
`503`	Service Unavailable	Server Error
`504`	Gateway Timeout	Server Error
`505`	HTTP Version Not Supported	Server Error
`507`	Insufficient Storage	Server Error
`508`	Loop Detected	Server Error
`511`	Network Authentication Required	Server Error

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