I will build custom shopify payment rules and checkout functions
AI Engineer LLM RAG FastAP React NestJS
About this Gig
Need a custom Shopify payment rule for your checkout?Are you losing money on fake Cash on Delivery (COD) orders? Do you need to restrict specific payment methods based on what your customer buys?
Welcome ...
I specialize in custom Shopify payment logic and advanced checkout customizations. Using the latest Shopify Functions and backend tools, I help merchants take full control of their checkout experience to protect their margins and streamline operations.
Here is what I can build for you:
- Total-Based Rules: Hide Cash on Delivery (COD) if the cart total exceeds a specific amount (e.g., block COD for orders over $100).
- Product-Based Rules: Hide or show specific gateways based on product tags, categories, or physical vs. digital items.
- Location Rules: Restrict payment methods based on the customer's shipping country or region.
- Advanced Logic: Rename, sort, or reorganize gateways to prioritize your preferred Shopify payment methods.
Why choose my service? Unlike bulky third-party apps that slow down your store, I write clean, custom backend code using the Shopify CLI (TypeScript & GraphQL). Your checkout rules will be lightning-fast, highly secure, and native to Shopify.
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FAQ
Do I need Shopify Plus for these custom Shopify payment rules?
No! Thanks to the new Shopify Functions architecture, advanced checkout customizations and Shopify payment rules are now available to standard Shopify plans, not just Shopify Plus merchants.
Why should I hire you instead of installing a Shopify payment app?
Third-party apps often charge expensive monthly subscriptions and can slow down your checkout page. I write native, custom backend code, meaning your Shopify payment customizations are fast, highly secure, and have no recurring monthly fees.
Can you hide Cash on Delivery (COD) for expensive orders?
Yes, absolutely. This is one of the most popular Shopify payment customizations I build. We can automatically hide the COD option when a customer's cart total exceeds a specific dollar amount, protecting you from return fraud.
Will this break my existing Shopify payment setup or gateways?
Not at all! I develop the logic in a secure development environment first. Once tested, it is deployed as a native extension in your store's settings. You can easily turn the rule on or off at any time with a single click.
Can you restrict a Shopify payment method based on product tags?
Yes! If you have specific items (like digital downloads or heavy fragile items) that require a specific checkout flow, I can build logic to hide or show specific Shopify payment options based on the exact products in the cart.

