If you have a complaint about a purchase you made online, learn how to resolve it with the seller or website. Or get additional help from a federal or state agency. If you have a complaint about a product you bought online, try to resolve it by contacting the seller or website first.  If contacting the seller or website does not work, file a complaint with: Your state’s consumer protection office Your state’s attorney general The Federal Trade Commission (FTC) if you believe the sale may have been a scam Econsumer.gov if your purchase was from a seller outside of the U.S.