Eliminate fraudulent and invalid data.

Verify and enrich your customer data.

Stop bouncing - start connecting!

Validate addresses, phone numbers and email addresses - with unparalleled precision in 240+ countries world-wide.

Address Validation, Correction, Autocomplete & Geocoding

With our postal address verification and cleansing service you can easily verify if an address exists and is deliverable. Whether you want to clean up the addresses in your customer database or verify addresses directly on your website, we have exactly the right solution for you.

Address Validation Online API

Are you wasting thousands of dollars each year on mailings and shipping products to wrong or non-existing addresses? That is the reason why many businesses have integrated our real-time address validation API directly into their websites and eCommerce applications. This allows customers to correct errors in addresses instantly and only valid addresses are accepted.

Address List Verification & Cleansing

Address-Validator automatically detects invalid addresses and provides corrections for incomplete addresses - just export your address list from Excel/CSV files, CRM systems or customer databases and we will validate it.

Address Autocomplete API

Address Autocomplete provides search-based suggestions that narrow with each keystroke, allowing users to select the correct address without having to enter all of the necessary details. Autocomplete speeds up the checkout process, enhances usability and customer satisfaction and decreases cart abandonment at the same time.

Address Geocoding

Address Geocoding helps you to find the geographical coordinates (lat/lng) for an address. Our Geocoding Add-on enriches postal addresses from 240 countries world-wide with rooftop accurate geographical coordinates.


A quick and free demo will show you how easy to use our APIs are. We will be happy to answer any questions you may have and assist you in testing or integrating our APIs. Please don't hesitate to contact us!

Why Choose Byteplant
Postal Address Verification Tools?

Address-Validator supports address validation and correction for 240 countries world-wide.

Address correction, standardization and re-formatting according to international postal standards
Address Validation Online API
Address Auto-Complete API
Rooftop Accurate Latitude and Longitude Geocoding
Address List Processing (CRMs and databases)
Address List De-Duplication
USPS ZIP+4 included FREE
US Postal Service (USPS/CASS) certified
Address verification credits do never expire
FREE address validation plugins for Wordpress, jQuery, Node.js etc
Easy integration through Zapier
Awesome support by phone, email & chat

Address-Validator - Available 24/7

We guarantee an availability of 99.9%. API requests will typically be answered within 750ms - please see the API server status page for real-time availability information.

Address Validation
Address Autocomplete
Please enter the address you want to validate:
Enter an address in the address form on this page
to see your results here.