HTTPClient

local request = HTTPRequest.new("https://api.example.com/scores", HTTPMethod.POST)
request:SetHeader("Content-Type", "application/json")
request:SetJSONBody({ user_id = player.user.id, score = 100 })

HTTPClient.Request(request, function(response, error)
    if error ~= HTTPError.None or response == nil then
        print("Request failed: " .. tostring(HTTPError[error]))
        return
    end
    if response:GetStatusCode() ~= 200 then
        print("HTTP " .. response:GetStatusCode() .. ": " .. tostring(response:GetBody()))
        return
    end
    local data = response:GetJSONBody() -- decoded into a Lua table
    print("New rank: " .. data.rank)
end)