Untitled

WWWForm form = new WWWForm();
        // Username - this is irrelevent - needed for post request
        form.AddField("username", "name");
 
 
        UnityWebRequest wwwSignin = UnityWebRequest.Post("https://an-school-portal.securityzone.vn/api/v1/pub/register", form);
 
        string jsonData = "";
        jsonData = "{\"inviteCode\":\"iTJ7YlW1\",\"Username\":\"Thanh.To\",\"Password\":\"TestPass\"}";
 
        if (jsonData != null)
        {
            byte[] data = System.Text.Encoding.UTF8.GetBytes(jsonData);
 
            UploadHandlerRaw upHandler = new UploadHandlerRaw(data);
            upHandler.contentType = "application/json";
            wwwSignin.uploadHandler = upHandler;
        }
     
        yield return wwwSignin.Send();
 
        if (wwwSignin.isNetworkError)
        {
            Debug.Log(wwwSignin.error);
        }
        else
        {
            // Show results as text
            Debug.Log("Returning:" + wwwSignin.downloadHandler.text);
 
 
            //JSONObject j = new JSONObject(wwwSignin.downloadHandler.text);
         
        }