How cURL’s New Native JSON Support Simplifies API Requests
cURL’s creator Daniel Stenberg plans to add native JSON handling with new command‑line options that streamline sending JSON payloads and headers, addressing common REST API usage, user convenience, and shell quoting challenges.
Recently, cURL author Daniel Stenberg announced plans to add native JSON support to cURL.
He gave three reasons: JSON is common in REST APIs; “easy JSON usage” is a frequent reason users choose alternatives to curl; and quoting JSON with double quotes causes shell quoting issues, making it hard to send correct JSON via curl.
Since Daniel does not often send JSON himself, he seeks community help to design a useful feature.
He intends to introduce two command‑line options:
Send formatted JSON as a shortcut for -d with a matching Accept header.
Build a JSON request body and send it.
The shortcut works like curl --json [data] http://example.com, which is equivalent to -d [data] -H "Content-Type: application/json".
Another option --jp [part] (“JSON part”) allows constructing a JSON body and sending it with the appropriate Content-Type: application/json header.
For more details see the cURL JSON wiki.
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