Online payments platform and PayPal competitor WePay is announcing its growth data for 2011, and revealing details on the startup’s product strategy for 2012. In case you aren’t familiar, WePay is a Y Combinator backed startup that launched in 2009 to take the hassle out of group paying. Unlike some of its competitors, the service was able to dead simple way to collect, manage and spend money for groups.

On WePay, you can create a unique, FDIC insured account for each group. While the account is still associated with your name, but you can keep each group account totally separate from your personal transactions. Group money can essentially be kept separate from any individual accounts you may have. You can also designate specific individuals to have control over accounts.

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The company grew nearly ten times in revenue in 2011, and doubled headcount with 20 new employees (the company plans to double employees again this year). WePay also grew revenue generated by its API by 15x in 2011. Partners like GoFundMe, which replaced PayPal with WePay as its primary payment platform, are helping fuel this growth, says the startup.