Installing Address Ninja is quick and easy.
To install the app:
Visit the Address Ninja listing on the Shopify App Store: https://apps.shopify.com/address-ninja
Click Install and follow the prompts in your Shopify admin.
To set it up:
Go to Apps in your Shopify admin.
Select Address Ninja.
On the welcome screen, choose the checks you want to turn on. These include:
Preventing missing house numbers
Preventing missing apartment or suite numbers
Blocking PO Boxes and DHL addresses
Limiting special characters
Setting maximum character lengths
Validating fields with custom rules (such as regex)
Each option includes step-by-step setup inside the app. You can also customize the error messages that appear at checkout.
If you need help at any point, contact support. We are happy to help.