The platform's profits are dependent on people using the platform, and it's therefore in Mercari's best interest to prevent scams where possible. Find out how you can protect yourself from fake email/text messages that may lead you to fraudulent websites that look like Mercari (phishing sites). We have confirmed reports that parties claiming to be Mercari or Merpay have sent suspicious email and short message service (SMS) messages to users, directing them to fake websites (phishing.