Contact us
Last updated 26 August 2026
Support
Email support@1shop.us. Include your order number where relevant. We reply within 2 business days, Monday to Friday.
Order status, invoices and cancellations are fastest through Your orders in your account.
Sellers
Applications and seller-account questions go to the same address with "Seller" in the subject line. See Seller Standards for the listing rules.
Legal and privacy
Data-protection requests, takedown notices and legal correspondence: support@1shop.us, subject "Legal".
Company
MarketSync Global LLC, New Mexico Business ID 0008064284. Registered in the State of New Mexico, United States. We operate online only; there is no walk-in location.