I cannot for the life of me figure out how to append the headers to my get request.

    var session = new Soup.Session ();
    var msg = new Soup.Message (

    session.send_message (msg);

    print ("Message: %s", (string) msg.response_body.data);

I can't find any examples for how to do this. It's a miracle I made it this far.

1 Answer 1


msg.request_headers.append ("Content-Type", "application/json");

  • It is the right answer, but it's also nice to include some resources, where OP can find more details, like valadoc MessageHeaders.
    – Vlad
    Jul 31, 2020 at 8:47
  • Thanks for this, sorry I answered my own question. I should have linked to some resources.
    – Brendan
    Jul 31, 2020 at 15:55

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