Cashback is mainly earned through affiliate marketing, as seen with Rakuten (formerly known as Ebates), or credit and debit card rewards, which are known to have hidden fees.
The company has attracted some top investors and today announces the closing of a $3.7 million seed round led by BlackOps Ventures, with participation from returning investors MaC Venture Capital, 43North, and Alumni Ventures. The company has raised $6.4 million to date.