About
Merpay is the payment service inside Mercari, the Japanese second-hand marketplace app, run by Merpay, Inc., a Mercari Group company founded in 2017 and registered with the Kanto Finance Bureau as a funds transfer provider and prepaid-instrument issuer. Its distinctive funding source is money earned by selling items on Mercari: sales proceeds and points become a Merpay balance that can be spent in shops via QR codes or iD contactless payment. It also offers deferred 'Smart Payment' and the Mercard credit card. Merpay says it is accepted at over 2 million locations in Japan (2026).
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