Follow these steps to pause any running campaign:
Step 1: Open Dashboard after login at app.iqm.com
Step 2: Scroll down to campaign table, click on Running tab
Step 3: From Action column, open Option Dropdown
Step 4: Select Pause from the dropdown options to pause any campaign from running. Immediately the campaign will be pause and it will stop spending.
To resume, go to Paused tab
select Run from the dropdown for any campaign from Action column. Campaign will start running immediately. Make sure the campaign has enough fund to run.