# Implement an "is-dirty" flag on addresses

Source: https://developer.avalara.com/address-validation/yql7420417143156/

# Implement an "is-dirty" flag on addresses

**Element type**: Suggested

**Endpoints/Models used**: N/A

After your integration validates an address, you should provide a method to create a hash (or similar) for that address to prevent revalidating that address again. Doing this can save your merchants money by decreasing address validation usage.