DOTS Address Validation - International
From Austria to Zimbabwe:
Instantly Validate Addresses in
Over 250 Countries
The most extensive global coverage available
Returns apartment or suite (subpremise) level for 15 countries
Provides up to 99.5% match accuracy

Our real-time International Address Validation API verifies and corrects global mailing addresses to the unique requirements of each country’s postal address formats and cultural idiosyncrasies. Our fuzzy matching logic delivers exceptional match and correction rates from the city to subpremise level.

In addition, ISO2 and ISO3 country codes can be used as inputs and supports over 25,000 alternate country names and variations in different languages. The service also can perform transliteration for most of the 250+ countries, dependent areas and territories that are covered.

With continual updates from country-specific postal authorities, our data is always up-to-date with genuine and accurate addresses, helping your business remain GDPR compliant.

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How International Address Validation Works
Please select from our sample addresses to see how our service corrects and appends International mailing addresses.


Choose from common use cases

Administrative Area
Postal Code

Request URL

Real-Time API Responses

See below for the full response from our International Address Validation service.

Service Response


Please select input data to see results

Resolution LevelPremise
Address1283 Avenue Colonel Teyssier
Address281000 Albi
Administrative AreaTarn
Postal Code81000
View Full results


For Developers

Our services are built API-first with a focus on data quality and ease of integration.
We support REST, SOAP, GET and POST requests over HTTP/S outputting in XML and JSON formats.

Our API web services are compatible with all major programming languages and we have over 200 pieces of sample code (both snippets and full solutions) available to help with your integration.

Features and Benefits




Uptime Guarantee


Support Engineers

  • Standardizes and/or verifies addresses in over 250 countries, dependent areas and territories
  • Supports street level or better resolution for 88% of the countries in the world
  • Returns subpremise (apartment/suite) level for 15 GDP countries
  • Corrects addresses and formats them to each country's postal standards
  • Supports single address line entry
  • Returns parsed postal codes, address lines, country, city/locality and country codes
  • Handles unconventional address formats like those found in Japan and the UK
  • Exceptional match and correction rates, especially with alternative names
  • ISO2, ISO3 and over 25,000 alternate country names and variations in different languages can be used as inputs to validate addresses
  • Real-time verification allows for instant address validation and correction
  • Fuzzy logic matches addresses and translates them into a clean, unified data set
  • Reduces costs associated with lost, undeliverable and returned mail and packages
  • Standardized addresses allow for better data analysis and data governance
  • General Data Protection Regulation (GDPR) compliant
  • Continually updated with response time as fast as 200 milliseconds
Additional Resources
Three Ways to Use International Address Validation
Real-Time API
Cloud Connectors
Connects with major marketing, sales and
ecommerce platforms
List Processing
Securely upload lists
for processing

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