Decrease the number of allowed agents/channels. To remove channels you must specify the Ids of the channels that you want remove. Be careful, your allowed agents must be greater than installed agents. Removing a service does not have an immediate effect on the your credit balance, however the following month you will pay only the current number of allowed agents/channels.
agents: <num. agents to remove>,
channelsIDs: [<id 1>, <id 2>, <id 3>, ...]