响应状态码 413 Payload Too Large 表示请求主体的大小超过了服务器愿意或有能力处理的限度，服务器可能会（may）关闭连接以防止客户端继续发送该请求。
如果“超出限度”是暂时性的，服务器应该返回 Retry-After 首部字段，说明这是暂时性的，以及客户端可以在什么时间（after what time）后重试。
413 Payload Too Large
| Specification | Title |
|---|---|
| RFC 7231, section 6.5.11: 413 Payload Too Large | Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content |
AcceptAccept-CharsetAccept-EncodingAccept-LanguageAccept-RangesAccess-Control-Allow-CredentialsAccess-Control-Allow-HeadersAccess-Control-Allow-MethodsAccess-Control-Allow-OriginAccess-Control-Expose-HeadersAccess-Control-Max-AgeAccess-Control-Request-HeadersAccess-Control-Request-MethodAgeAllowAlt-Svc [我来译!]AuthorizationCache-ControlClear-Site-DataConnectionContent-DispositionContent-EncodingContent-LanguageContent-LengthContent-LocationContent-RangeContent-Security-PolicyContent-Security-Policy-Report-OnlyContent-TypeCookieCookie2DNTDateETagEarly-Data [我来译!]ExpectExpect-CTExpiresFeature-Policy [我来译!]ForwardedFromHostIf-MatchIf-Modified-SinceIf-None-MatchIf-RangeIf-Unmodified-SinceIndex [我来译!]Keep-AliveLarge-AllocationLast-ModifiedLocationOriginPragmaProxy-AuthenticateProxy-AuthorizationPublic-Key-PinsPublic-Key-Pins-Report-OnlyRangeRefererReferrer-PolicyRetry-AfterSec-WebSocket-Accept [我来译!]ServerServer-Timing [我来译!]Set-CookieSet-Cookie2SourceMapHTTP Strict Transport SecurityTETiming-Allow-OriginTkTrailerTransfer-EncodingUpgrade-Insecure-Requests用户代理VaryViaWWW-AuthenticateWarningX-Content-Type-OptionsDNS 预读取X-Forwarded-ForX-Forwarded-HostX-Forwarded-ProtoX-Frame-Options 响应头X-XSS-Protection100 Continue101 Switching Protocol200 OK201 Created202 Accepted203 Non-Authoritative Information204 No Content205 Reset Content206 Partial Content300 Multiple Choices301 Moved Permanently302 Found303 See Other304 Not Modified307 Temporary Redirect308 Permanent Redirect400 Bad Request401 Unauthorized403 Forbidden404 Not Found405 Method Not Allowed406 Not Acceptable407 Proxy Authentication Required408 Request Timeout409 Conflict410 Gone411 Length Required412 Precondition Failed（先决条件失败）413 Payload Too Large414 URI Too Long415 Unsupported Media Type416 Range Not Satisfiable417 Expectation Failed418 I'm a teapot422 Unprocessable Entity425 Too Early426 Upgrade Required428 Precondition Required429 Too Many Requests431 Request Header Fields Too Large451 Unavailable For Legal Reasons500 内部服务器错误501 Not Implemented502 Bad Gateway503 Service Unavailable504 Gateway Timeout505 HTTP Version Not Supported511 Network Authentication RequiredCSP: base-uriCSP: block-all-mixed-contentCSP: child-src [我来译!]CSP: connect-srcCSP: default-srcCSP: font-src [我来译!]CSP: form-action [我来译!]CSP: frame-ancestorsCSP: frame-src [我来译!]CSP: img-src [我来译!]CSP: manifest-src [我来译!]CSP: media-src [我来译!]CSP: object-src [我来译!]CSP: plugin-types [我来译!]CSP: referrer [我来译!]CSP: report-uri [我来译!]CSP: require-sri-forCSP: sandbox [我来译!]CSP: script-src [我来译!]CSP: style-src [我来译!]CSP: upgrade-insecure-requestsCSP: worker-src [我来译!]report-to