It is possible to URL Encode data and query string in a cURL POST request using an option called --data-urlencode.
Example: cURL HTTP GET using URL Encoding% curl --get -v \
--data-urlencode 'product=$@mething useful' \
--data-urlencode 'quantity=22.5' \
--data-urlencode 'price=$55' \
https://example.org* Trying 93.184.216.34:443...
* Connected to example.org (93.184.216.34) port 443 (#0)
* (304) (OUT), TLS handshake, Client hello (1):
...
* SSL connection using TLSv1.3 / AEAD-AES256-GCM-SHA384
* ALPN: server accepted h2
* Server certificate:
....
* h2h3 [:method: GET]
* h2h3 [:path: /?product=%24%40mething+useful&quantity=22.5&price=%2455]
....
* Using Stream ID: 1 (easy handle 0x143813400)
> GET /?product=%24%40mething+useful&quantity=22.5&price=%2455 HTTP/2
> Host: example.org
> user-agent: curl/7.85.0
> accept: */*
>
< HTTP/2 200
< age: 391534
< cache-control: max-age=604800
< content-type: text/html; charset=UTF-8
< date: Tue, 13 Dec 2022 10:24:19 GMT
< etag: "3147526947+ident"
< expires: Tue, 20 Dec 2022 10:24:19 GMT
< last-modified: Thu, 17 Oct 2019 07:18:26 GMT
< server: ECS (dcb/7F3B)
< vary: Accept-Encoding
< x-cache: HIT
< content-length: 1256
<
<!doctype html>
<html>
<head>
<title>Example Domain</title>As you can see the query strings passing along with the cURL GET request has been URL encoded.
[:path: /?product=%24%40mething+useful&quantity=22.5&price=%2455]
In a similar way you can make use of --data-urlencode to perform a HTTP POST request.
Example: HTTP POST Request with URL Encoding in cURL
% curl \
--data-urlencode 'name=$@mething' \
--data-urlencode 'age=22' \
--data-urlencode 'dept=IT & Services' \
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