BlocklyShopify fraud & checkout tutorials
Step-by-step tutorials for Shopify merchants: block IPs, countries, VPNs and bots, set up checkout rules and automate fraud-order handling — no code needed.
How to Block PO Box Addresses at Shopify Checkout
Some carriers can't deliver to PO boxes, and some products shouldn't ship there. Here's how to block PO box addresses at Shopify checkout reliably, with clear messages and fewer edge-case failures.
Restrict Shopify Checkout by ZIP or Postal Code
Only deliver to certain areas, or need to exclude a few? Learn how to restrict Shopify checkout by ZIP or postal code with server-side rules, clear messages, and matching that handles real-world formats.
Set a Minimum Order Value on Shopify Checkout (Without Losing Sales)
Small orders can cost more to fulfill than they earn. Learn how to enforce a minimum order value at Shopify checkout that can't be bypassed, and how to set it up so customers top up instead of leaving.
Limit Order Quantity per Product on Shopify
Stop resellers from clearing out limited drops and keep stock fair for real customers. Here's how to limit order quantity per product on Shopify with checkout rules that can't be bypassed.
Stop Certain Products From Being Purchased Together on Shopify
Some products should never share a cart. Learn how to block risky combinations like gift cards with discounted bundles, hazmat with air shipping, or pre-orders with in-stock items using Shopify Functions.
Block or Allow Checkout by Customer Tag on Shopify
Customer tags can control who is allowed to check out. Here is how to build wholesale-only products, VIP early access, and restrictions for repeat COD abusers using Shopify Functions.
How to Reorder Payment Methods at Shopify Checkout
The order of payment methods at checkout shapes what customers choose. Learn how to move your preferred options to the top on Shopify, by country, cart value, or customer, using Payment Customization.
Rename Payment Methods on Shopify Checkout to Build Trust
Vague or technical payment method names make customers hesitate at the last step. Learn how to rename payment methods on Shopify checkout with clear, trustworthy labels using Payment Customization.
Hide Express Checkout Buttons (Shop Pay, PayPal, Apple Pay) on Shopify Product and Cart Pages
Express checkout buttons are fast, but they can skip your cart upsells, order notes, gift options, and minimum order logic. Here is how to hide them on Shopify product and cart pages, fully or conditionally.
Rename and Reorder Shipping Methods at Shopify Checkout
Carrier rate names like Ground Advantage or Economy International confuse shoppers. Learn how to rename and reorder Shopify shipping methods so the right option is clear and chosen first.
Reject Discount Codes at Shopify Checkout When Conditions Aren't Met
Influencer codes used by strangers, first-order codes used by repeat buyers, codes stacked on sale items. Here is how to stop discount codes from applying when your conditions are not met.
Shopify Checkout Links: Pre-fill Products, Discounts and Customer Details
One link can send a customer straight to checkout with products in the cart, a discount applied and their email filled in. Here is how Shopify cart permalinks work and how to use them safely.
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