Blox: Chargeback Blacklist

Develop by Shopify

$4.99-$49

/ Month

Free plan available 7 Days Free Trial

Identify, block, and manage problematic customers efficiently with Blox.

Unify multiple accounts

Monitor returned money

Identify worst customers

Block/hold bad orders

Discover unknown bad customers

Auto group accounts

Simple customer blocking

5 Reviews

6.7

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About Blox: Chargeback Blacklist

Launched Feb 23, 2025

Built by Shopify

Address

151 O’Connor St, Ottawa, ON, ON, CA

Website Support Portal Privacy policy Tutorial FAQ Document

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Description

Block fraud and hold chargebacks using our community built blocklist.

When one store flags fraud, all stores are protected. A merchant-powered blocklist that turns every block into shared protection against the internet’s worst fraudsters.

When one store flags fraud, all stores are protected. A merchant-powered blocklist that turns every block into shared protection against the internet’s worst fraudsters. more

Any customer blocked on another store is flagged for you to review.
Auto group customers with multiple accounts (e.g. different emails).
Easily block any customer without needing complex fraud rules.
Hold customers who have issued chargebacks on other stores.

Top Helpful Reviews

Swiss RX

Nov 06, 2025 on Shopify

blox is our new favorite employee. it caught a blocked person (return fraud) who kept making new emails and still caught every one of them. Absolutely legendary and so satisfying to watch

Sozy

Jun 05, 2025 on Shopify

Looooove blox. We have a huge issue dealing with a ton of return fraud/abuse as well as weird customer behavior. Been using Blox to find unprofitable or problematic customers and cut them out of our customer file to save us the operational and financial headache