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International AV suite

Lob's Address Verification API provides a comprehensive solution for businesses looking to optimize their international customer experiences and make more informed decisions about their international address data.

International verifications

Validate, automatically correct, and standardize non-US international addresses. See our API reference for details.
We follow USPS standards for sending international mail. Therefore, any addresses submitted in a language other than English will see the address returned in English.
See our most up-to-date list of global address coverage for our International Address Verification API.

International deliverability insights

Lob's International Deliverability provides greater visibility into an address’s delivery response so customers can make more informed decisions about how they manage international address data. Customers are able to understand when a portion of the address has been corrected and if it has resolved the deliverability issues. To leverage this data, review the complete API documentation under Status.

International autocomplete

International address autocompletion for non-US addresses. Given partial address information, including an address prefix consisting of a partial primary line and country, or optional input of city, state, and zip code, this endpoint returns up to 10 full International address suggestions. Not all of them will turn out to be valid addresses; they'll need to be verified.
See our API reference for more details.

Configurable transliteration

Configurable Transliteration provides Address Verification customers greater flexibility and customization when operating around the world. Lob ensures that addresses are correct and deliverable while providing optionality for the address response to be in the native language. This means a customer is able to provide cart checkout messaging that adapts based on where the end customer is located thus creating a more personalized experience. It also means that when working with foreign languages with non-Latin characters the data is seamlessly transliterated and mapped for normalized data storage.
To customize your language response, review the complete API documentation under x-lang-output.

Global AV data coverage

Country Coverage equips Lob customers with the details needed to make an informed decision about a deliverable address and the potential for false positives. The International Address Verification API provides validation to varying degrees of granularity depending on the country the address is in. Country Coverage indicates the level to which an address has been verified. To leverage this information, review the API documentation under Coverage.
View our most updated Global Address Coverage here.