Hydra distributes cost-per-acquisition (CPA) and cost-per-lead (CPL) ad campaigns through its quality-controlled network of internet publishers. Offering proprietary tracking technology and one-on-one support, the company makes it possible for advertisers to generate new customers while paying only for results, and it enables affiliated publishers to maximize ad revenue.

Founded in 2001, the company today is the volume leader in 100% performance-based ad networks.