Block or Validate Any Order on Your Store
CartBlock validates or blocks any order, protects from bots and frauds using multiple conditions

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Customizable Conditions
llow you to set specific rules, blocking orders based on different criteria.
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Display Notifications
Warnings and messages during the shopping journey on:
- Product Page
- Cart Page
- During Checkout
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Apply Custom and Multiple Conditions
Stack and mix multiple conditions to build powerful, flexible rules. Target the right orders with precision and unlock complete control over your store logic.
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Choose From a List of Conditons
Allow you to set specific rules, blocking orders based on different criteria.
- Country
- Product Quantity
- Customer Profile
- Discount Code
And More
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Block Discount Codes in Checkout
Stop coupon abuse and protect your profits. Automatically block specific discount codes and keep your promotions under control; no loopholes, no losses.
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Block or Validate From your Phone
Stay in control of your store, wherever you are. Whether you're preventing fraudulent purchases, enforcing custom rules, or reviewing high-risk orders, CartBlock gives you the power to act in real time.
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See What Merchants Says
The app is incredibly easy to use, even with the complex constraints of my shop setup. What impressed me most was their responsiveness: the support team was quick to understand my needs and helped me get everything running smoothly in no time. Highly recommended!
Dealing with bots abandoning checkout because they are attempting different credit card numbers. This app allows me to set up rules to block these bots from checking out. They will still try but their attempts will be futile, so if they come across and use a card number that works, it will be blocked. In time they have slowed down as I believe it sees my store as not being able to do what they want. It is working when you can identify bots as having similar profiles (in this case they all use the same fake address and phone area code) if bots change their strategy you have to find the commonality and set up another block.
10/10 recommend this app - very functional and amazing customer service! I had a very specific and niche use case, I emailed customer service and Andrea was not only very prompt to respond but even released an update to his app that would allow it to work for our use case. Thank you!
I stumbled across this APP. For me it is fantastic and after 1 week of using it it has generated some good income which I was not having before. For me a wanted to block certain products from being sold to specific countries, rather than blocking the entire country. Shopify as standard blocks the whole country by removing the specific country from checking out..... however Cart Block does it differently. Well worth the monthly fee. Tech support was great. I had to use theor tech support and I was quickly invited to a video call and within a few hours the initial issues were sorted and the APP was creating turnover! Thanks for writting a great APP.
I just started using the app and I don't know whether it's going to work or not but the support I received from the developer was the best experience I had with any app on shopify. 5 stars for the support and hopefully 5 stars for the app
Excellent customer support, always respond within a few minutes and solve all issues. The app works as it should. New features are always being added and feature requests are also taken as feedback for development. Highly recommend!
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Frequently Asked Questions
You can block or validate orders based on multiple conditions such as country, cart value, products, customer data, discount codes, and more. This gives you full control over who can complete a purchase.
No. CartBlock is designed to be easy to use, with a simple interface that allows you to create powerful rules without coding.
Yes. CartBlock helps you identify and block suspicious patterns like fake addresses, repeated attempts, or specific customer behaviors, stopping fraud before it reaches checkout.
Yes. You can stack and mix multiple conditions to create advanced rules tailored to your business needs.
Yes. CartBlock applies rules in real time during the shopping journey, including cart and checkout, ensuring invalid or risky orders are stopped instantly.
No. CartBlock is optimized for performance and works seamlessly without impacting the customer experience.
Absolutely. You can block specific discount codes or restrict their usage based on conditions, preventing misuse and protecting your margins.
Yes. CartBlock supports Shopify Plus and includes advanced features like blocking by payment or delivery method.












