Camilo Martin Camilo Martin - 1 year ago 269
HTTP Question

How are parameters sent in an HTTP POST request?

In an HTTP GET request, parameters are sent as a query string:

In an HTTP POST request, the parameters are not sent along with the URI.

My question is, where are the values? In the request header? In the request body? What does it look like?

Answer Source

The values are sent in the request body, in the format that the content type specifies.

Usually the content type is application/x-www-form-urlencoded, so the request body uses the same format as the query string:


When you use a file upload in the form, you use the multipart/form-data encoding instead, which has a different format. It's more complicated, but you usually don't need to care what it looks like, so I won't show an example, but it can be good to know that it exists.

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