DzoneAug 6, 2026 ~1 min source read

HTTP QUERY Method Explained: RFC 10008, Ecosystem Adoption, and a Quarkus Implementation

Because the HTTP protocol does not forbid it, sending a body with GET may look like a way out, but building your design on behavior the standards leave undefined is not a recommended practice. Since using GET means placing the query inside the URI, a length limit problem emerges.

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Since using GET means placing the query inside the URI, a length limit problem emerges.

Then the search form grows, filters multiply, and nested criteria appear.

Worse, placing sensitive query values in the URI increases the chance of exposure through access logs, browser history, proxies, and monitoring systems.

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The useful part

Since using GET means placing the query inside the URI, a length limit problem emerges. Worse, placing sensitive query values in the URI increases the chance of exposure through access logs, browser history, proxies, and monitoring systems. Because the HTTP protocol does not forbid it, sending a body with GET may look like a way out, but building your design on behavior the standards leave undefined is not a recommended practice.

How it works

Elasticsearch's GET-with-body search API is a well-known example, and Elastic's own documentation openly acknowledges the problem: "As a result, some HTTP servers allow it, and some—especially caching...
[...] However, because GET with a request body is not universally supported, the search API also accepts POST requests."
Then the search form grows, filters multiply, and nested criteria appear.

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