
Address Validation
Accurate delivery on every shipment. Address errors cost an estimated $20 billion annually in corrections, delays, and lost packages. Address verification streamlines your workflow and reduces errors without compromising on efficiency.


How our address verification tool reduces costs
Address verification automatically checks each input address against CASS Certified and other official databases, ensuring accurate, valid address data for every shipment.
Address inaccuracies cost businesses an estimated $20 billion annually. By using our tool to verify addresses, you can avoid costly return and carrier fees, prevent delays and failed deliveries. Whether you process individual addresses or bulk addresses through a CSV file, our tool ensures every address exists.
Enhance your delivery speed and accuracy
Improve delivery speed by eliminating address mistakes and ensuring every input address is correct. Our real-time suggestions verify address matches, highlight missing data, correct format issues, and provide high-accuracy validation, to ensure packages arrive on time to their intended destination.


Ensure accurate shipments from checkout to doorstep
1
Enter the recipient address, or let it automatically import from the order’s customer data.

2
The address is validated by cross-reference against trusted, CASS Certified and USPS-linked databases.

3
A Verified tag will appear if the address is valid. Any invalid address triggers a pop-up with correct suggestions to double-check.

Frequently asked questions

How Do I Manually Verify an Address Marked Unverified?
Sometimes an input address may appear invalid, but the customer confirms it is correct. Use our address verification tool to manually validate the address:
1. Find the order in Unverified Address Status.
2. Click Edit on the recipient’s street address or postal address.
3. Select Set Address as Verified and save.
This allows the order to continue through your automated address validation workflow, reducing delivery issues and costly errors.
Learn more
How Do I Set Up Address Verification?
Our address verification tool ensures every input address is accurate and ready for shipment:
Quick Ship: Verification is automatic—addresses are validated against official USPS and CASS Certified databases.
Batch Shipping: Use our tool to process bulk addresses via CSV file, automatically validating postal addresses, correcting missing components, and preventing bad addresses.
How Do I Flag an Order With an Invalid Address?
To identify orders with potentially invalid addresses, set up an Automation:
If conditions:
Verified Destination Address = False
Is Domestic = True
Then action:
Set order status to Unverified Address
This allows you to review, validate, and correct addresses, ensuring all shipments use correct information and match USPS official databases.
Learn more
How Can I Ensure Accurate Address Data?
To maximize address validation accuracy across your business:
1. Use VESYL for CASS Certified address verification for all input addresses.
2. Automatically validate street addresses, postal addresses, and ZIP codes in real-time.
3. Check bulk addresses via CSV upload or API integration for large-scale operations.
4. Correct missing address components and customer data to prevent delivery delays and reduce errors.
This process guarantees accurate data, faster mail delivery, and a smoother fulfillment process for all orders.
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Asher Golf automates fulfillment with VESYL
"In today’s fast-paced world, efficient shipping software is no less than a lifesaver for any business. What if you found a tool that not only automates your shipping needs but is also backed by a customer service team that sets a gold standard for the industry? That’s exactly what we’ve found with VESYL.
From the get-go, it was clear this wasn’t just another off-the-shelf solution. Our experience has been nothing short of transformational."
Saranoni Luxury Blankets
Director of Operations



