queryparametere

Queryparametere is a coined term that refers to a parameter in a URL’s query string. It is not part of formal API terminology, but may appear in tutorials, sample code, or discussions as an illustrative variant of the concept “query parameter.” In practice, a query parameter is used to pass data from a client to a server as part of the URL.

A query parameter consists of a name and a value, and it appears after a question mark in the URL. For example: https://example.com/search?queryparametere=value. When a request is received, web frameworks parse the query string into a map of parameter names to values. In JavaScript, the URLSearchParams interface can read them; in Python, frameworks such as Flask expose them via request.args; in Java, servlet requests provide getParameter methods. Values are typically strings, though many frameworks convert or validate them as needed. Multiple values can be supplied for the same name by repeating the parameter, or by using a delimiter.

Encoding and data handling are important: special characters must be URL-encoded, spaces often become %20 or +, and arrays can be conveyed with repeated keys (tag=ai&tag=ml) or through delimited lists (tags=ai,ml).

Security and design considerations include avoiding sensitive data in query parameters, as they appear in browser history, server logs, and referrer headers. Validation and sanitization should occur server-side. Query parameters are a common tool in web development, but they should be used thoughtfully in API design and data handling.

See also: query string, URL encoding, path parameter, request parameter.