The value of online transactions peaked in March and May, when it exceeded EUR20 million per month, PayU said in a statement.
According to PayU, the most significant volume increase, of 133%, was witnessed by online sites offering discounts.
Online card payments though PayU amounted to EUR90.7 million in the analyzed interval.
The average value of an online transaction in the RomCard system decreased slightly to EUR57 in 2012 from EUR62 in 2011.
According to PayU, the highest online payments were EUR8,000 for a camera, EUR5,000 for a vacation package and about EUR4,000 for personal care products.
PayU and Romcard estimate online card payments will exceed EUR200 million this year.
The estimated value of online payments made with bank cards issued in Romania increased about 40% last year to some EUR800 million, of which EUR600 million were transactions made outside the country, according to Visa Romania data.