Need help with the WEB-API

[chauhan_sudhir]

@huben

curl -k "https://some.url.net/some_site/check_mk/view.py?
_username=USER
&_secret=PASSWORD
&filled_in=actions
&actions=yes
&_transid=-1
&_do_confirm=yes
&_do_actions=yes
&view_name=service
&host=server01
&_down_from_now=yes
&_down_minutes=1
&_down_comment=In_Downtime
&service=Check_MK"

You are missing this:
_do_confirm_service_downtime=yes

If you are using 2.0, then adding the above should work.
On 2.1.0p17, we also fixed a bug with the _transid Fix usage of "_trans_id=-1" in automation calls