AI engineering glossary · Web APIs HTTP

What is HEAD method?

HEAD method: An HTTP method that asks for the same headers a GET would return but without the body. Clients use it to check whether a resource exists, its size or its modification time cheaply.

Level: intermediateTopic: Web APIs HTTP

HEAD method: an example

HEAD /files/report.pdf returns Content-Length so a script can see the file is 12 MB before downloading.

Related terms

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Where you learn it

HEAD method 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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