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- Long: json
- Arg: <data>
- Help: HTTP POST JSON
- Protocols: HTTP
- See-also: data-binary data-raw
- Mutexed: form head upload-file
- Category: http post upload
- Example: --json '{ "drink": "coffe" }' $URL
- Example: --json '{ "drink":' --json ' "coffe" }' $URL
- Example: --json @prepared $URL
- Example: --json @- $URL < json.txt
- Added: 7.82.0
- ---
- Sends the specified JSON data in a POST request to the HTTP server. --json
- works as a shortcut for passing on these three options:
- --data [arg]
- --header "Content-Type: application/json"
- --header "Accept: application/json"
- There is **no verification** that the passed in data is actual JSON or that
- the syntax is correct.
- If you start the data with the letter @, the rest should be a file name to
- read the data from, or a single dash (-) if you want curl to read the data
- from stdin. Posting data from a file named \&'foobar' would thus be done with
- --json @foobar and to instead read the data from stdin, use --json @-.
- If this option is used more than once on the same command line, the additional
- data pieces will be concatenated to the previous before sending.
- The headers this option sets can be overridden with --header as usual.
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