Normally, your booking links will be displayed in the language of your Browser. But if you want to forcibly show the booking link in other languages, adjust your link by adding a /de/ , /en/ or other languages behind

Original booking link:

German version:

English version:

In your embedded link, replace the "+r+" with en or de just like above

Table of languages:
English: /es/
German: /de/
Dutch: /nl/
French: /fr/
Spanish: /es/

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