Postal Address Verification API
Access detailed, accurate, and real-time USPS address verification data to ensure delivery to recipients, saving your business time and money on returned or unsuccessful deliveries.
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USPS Address Verification API Features
Our address verification API has the tools you need to efficiently deliver mail directly to recipients and reduce time and money wasted on unsuccessful deliveries.
Address Standardization
Automatically update addresses to appropriate USPS formatting to ensure your deliveries are successful.
Address Correction
Automatically correct any errors in shipping addresses prior to sending packages, so you can save money and stop spending time on undeliverable mail.
Address Validation
Compare customer addresses with the USPS database to find a match and confirm deliverable addresses.
Residential Delivery Indicator
Classify addresses as residential or a business address for proper package sends.
Carrier Route
Take advantage of carrier-level discounts by presorting carrier route codes.
Legislative Data
Discover legislative information, such as the congressional district number and the senate & house district of the address.
“We have used PAV API for over 30 years. Since switching to Esendex we have noticed increased accuracy at a fraction of the cost of other available services. I haven’t found anything we don’t like about PAV API.”
MICHAEL K – PRESIDENT OF PROGRAM DEVELOPMENT
PAV API USER OF 30+ YEARS
Why Choose Esendex’s USPS Address Verification API?
A trustworthy address verification service is crucial if you collect Canadian and US postal address data through a sales or enrollment portal, and Esendex’s PAV is fast, reliable, and delivers results in a fraction of a second.
WE CARE ABOUT YOUR SUCCESS
1. World Class Support
We understand that most address verification service providers don’t have active online support channels you can speak to when you need it the most, which is why our emergency support is available 24/7. You can expect fast response times and fast resolution via email, chat, or phone.
LEAVE NO STONE UNTURNED
2. Automated Verification, Correction, and Standardization
Our address verification API allows you to upload a list of addresses, so they can automatically be adjusted to standard formatting, corrected for spelling errors, and validated as a deliverable address – saving you time, money, and resources wasted on unsuccessful deliveries.
PROTECTING YOU & YOUR CUSTOMERS
3. Government Level Security
Our Address Verification API is 256 Bit Encrypted (usually reserved for governments and militaries), SOC2 Type 2 Certified, and HITRUST Certified.
Additionally, our verification servers are strategically located throughout the US, and owned and operated by Esendex.
Let’s start sending, together.