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Overview

Address responses can be localized using the lang query parameter. Localization affects textual values returned by the API, including:
  • single_line
  • lines
  • textual fields inside record
Localization affects display formatting only and does not influence search matching or ranking.

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Supported languages

Language support varies by country.
CountrySupported languagesDefault
Belgiumnl, fr, denl
Luxembourgfrfr
The Netherlandsnlnl

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Behavior

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Default language

If the lang parameter is omitted, the API uses the default language for the requested country.

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Unsupported languages

If the requested language is not supported for the selected country, the API falls back to the country’s default language.

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Missing localized values

If a requested language is supported but a specific value is not available in that language, the best available localized variant is returned.