clevlabs
Accurate Address Validation
Stop losing money on failed deliveries.
Validate Shopify checkout addresses in real time, catch missing apartment numbers, and block risky shipping destinations before fulfillment starts.
Address Verified
Ready for shipping
Checkout validation that matches your rules
Designed for Shopify stores that need fewer failed deliveries and cleaner customer data.
Catch shipping problems before they become support tickets
Flag invalid addresses, missing unit numbers, PO Boxes, APO/FPO destinations, and country-specific patterns at checkout.
- Reduce return-to-sender costs
- Show clear error messages in checkout
- Keep validation rules merchant-controlled
Rule builder
Create condition groups for address line, city, ZIP, country, email, and checkout fields.
Block hard failures or warn softly
Use strict blocking rules for non-serviceable destinations and warning rules when the customer can still proceed.