On this pageLocalization The Drop-in Checkout supports multiple languages. Set the locale option to display the UI in the user's language. Usage Pass a locale code when creating the Drop-in: const dropin = await Purse.createDropinCheckout({ session: clientSession.widget.data, locale: "fr-FR"}); Supported Locales CodeLanguagede-ATGerman (Austria)de-CHGerman (Switzerland)de-DEGerman (Germany)en-GBEnglish (United Kingdom)en-USEnglish (United States)es-ESSpanish (Spain)fr-FRFrench (France)it-CHItalian (Switzerland)it-ITItalian (Italy)nl-BEDutch (Belgium)nl-NLDutch (Netherlands)pt-BRPortuguese (Brazil)pt-PTPortuguese (Portugal) Default Behavior If no locale is specified, the Drop-in uses en-GB as the default. TypeScript type LocaleCode = | "de-AT" | "de-CH" | "de-DE" | "en-GB" | "en-US" | "es-ES" | "fr-FR" | "it-CH" | "it-IT" | "nl-BE" | "nl-NL" | "pt-BR" | "pt-PT"; Next Steps Theming — Customize colors and fonts API Reference — Complete API documentation