CartBlock Blog

How to Require a Phone Number at Shopify Checkout

Require a phone number at Shopify checkout, understand presence versus format and ownership, and ...

09/18/2026

How to Restrict Shopify Products by State or Province

Learn how to restrict Shopify products by state or province, combine verified product and region ...

09/17/2026

How to Sell Products Only in Multiples on Shopify

Learn how to sell Shopify products only in multiples for case packs or wholesale cartons, with ch...

09/16/2026

How to Set a Maximum Order Value in Shopify

Learn how to set a maximum Shopify order value, choose the right threshold and scope, write a hel...

09/15/2026

How to Block Shopify Orders by ZIP Code or Postal Code

Learn how to block Shopify orders by ZIP code or postal code, avoid broad matches, write clear er...

09/14/2026

How to Separate Pre-Order and In-Stock Items into Different Shopify Orders

Separate pre-order and in-stock items into different Shopify orders with clear catalog rules, car...

09/12/2026

Shopify Checkout Error Messages: How to Write Clear Validation Messages

Write clear Shopify checkout validation messages that explain the problem and the fix. Use practi...

09/11/2026

How to Require a Product to Be Purchased by Itself on Shopify

Require a Shopify product to be purchased by itself. Learn cart-exclusivity logic, CartBlock setu...

09/10/2026

How to Restrict Local Pickup or Delivery by Product on Shopify

Learn how to restrict Shopify local pickup or delivery by product. Map eligible items, configure ...

09/09/2026

How to Block Shopify Orders Outside Business Hours

Learn how to block Shopify orders outside business hours. Define time zones and exceptions, write...

09/08/2026

How to Block Specific Customers at Shopify Checkout

Learn how to block a specific customer at Shopify checkout with a customer tag, validation rule, ...

09/06/2026

How to Set Weight-Based Order Limits in Shopify

Set Shopify weight-based order limits with CartBlock. Follow seven clear steps, avoid shipping-ra...

09/05/2026