How to post json in lua using cURL

Question

I'm trying to post json in Lua using cURL. I can't find any example online.

Something like this:

    c = curl.easy{
  url      = "http://posttestserver.com/post.php",
  -- url      = "http://httpbin.org/post",
  post     = true,
  httppost = curl.form{

      data = "{}",
      type = "application/json",

  },
}
t = {}
 c:perform{
        writefunction = function(s)
            t[#t+1] = s
        end
    }

c:close()

moteus · Accepted Answer · 2017-02-09 16:30:07Z

2

Try this one.

local cURL = require "cURL"

c = cURL.easy{
  url        = "http://posttestserver.com/post.php",
  post       = true,
  httpheader = {
    "Content-Type: application/json";
  };
  postfields = "{}";
}

c:perform()

answered Feb 9, 2017 at 16:30

moteus

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4 Comments

moteus Over a year ago

I think I need add this to examples :)

os11k Over a year ago

Good idea, it might help somebody to save couple hours. ;) Anyway, thank you a lot! You are awesome!

os11k Over a year ago

Maybe you can show how I can return 200 for ok and error code if something went wrong? Still can't figure it out. Thank you in advance!

moteus Over a year ago

You can use c:getinfo_response_code() after perform. You can find all avaliable option in official documentation

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