Viralize offers campaigns based on CPM model: Cost Per Thousand Impressions.

Campaigns using this pricing model pay a set price for every thousand video impressions from Site visitors that correspond with the target audience, location, device profile.

In the Report section, you'll find an eCPM metric corresponding to the actual Revenue divided by the number of Impressions x1000.

Learn more about Reports metric here:
Can you explain the Report metrics?