Guides to blocking customers on Shopify

How to block or blacklist a customer on Shopify, what a chargeback blacklist does, how merchants stop serial returners and refund abuse, and when a fraud filter is the better fit.

• Chargeback Blacklist: What It Is and How It Works

  A chargeback blacklist stops customers who charged back from getting another order shipped. How it works, and how Blox builds one from past chargebacks.

• How to Block a Customer on Shopify

  Shopify's Fraud Control app can block checkouts by email, IP or address. Here are its limits, and how Blox stops a blocked customer's next order.

• Blocklist vs fraud filter: when to use each

  Shopify fraud prevention explained: when a customer blocklist beats a fraud filter or risk score, and how merchants combine both.

• How to block repeat chargeback customers with Blox

  A practical guide for Shopify merchants to stop repeat chargeback customers, serial returners, and refund abusers with Blox’s community blocklist.

Also see: Blox vs NoFraud, Signifyd, and Blockify · FAQ