AI engineering glossary · Web APIs HTTP

What is query string?

Query string (also called Query parameter): The part of a URL after the question mark, made of key=value pairs joined by ampersands, used to pass optional inputs such as filters, search text or page numbers to the server. Values with special characters must be encoded.

Level: beginnerTopic: Web APIs HTTP

Query string: an example

In /search?q=biryani&city=Hyderabad&limit=5 the query string carries three parameters.

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Where you learn it

Query string is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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