req.baseUrl The URL path on which a router instance was mounted. The req.baseUrl property is similar

req.signedCookies When using cookie-parser middleware

req.originalUrl req.url is not a native Express property, it is inherited from Node’s

req.acceptsCharsets(charset [, ...]) Returns the first accepted charset of the specified character sets, based on the request’s Accept-Charset

req.acceptsLanguages(lang [, ...]) Returns the first accepted language of the specified languages, based on the request’s Accept-Language

req.body Contains key-value pairs of data submitted in the request body. By default, it is undefined, and is populated when you

req.param(name [, defaultValue]) Deprecated. Use either req.params, req.body or req

req.ip Contains the remote IP address of the request. When the trust proxy setting does not evaluate

req.app This property holds a reference to the instance of the Express application that is using the middleware. If

req.acceptsEncodings(encoding [, ...]) Returns the first accepted encoding of the specified encodings, based on the request’s Accept-Encoding