Melissa Address Validation

Melissa Address Validation helps you prevent shipping errors by automatically correcting and standardizing addresses across 240+ countries. The app uses CASS USPS and SERP Canada verified engines to ensure postal compliance and accurate deliveries. With smart address autocomplete, the system adds missing details instantly while maintaining proper formatting for each country's native language. By validating addresses at checkout, you'll reduce shipping costs, avoid returns, and keep customers happy with on-time deliveries. This reliable address verification solution integrates smoothly with your Shopify store to make order fulfillment more accurate and cost-effective.