There is no set-up required since Thunkable provides its own key to access the Yandex service. If you do not want to depend on Thunkable's default key, you can also use your own free API key from Yandex
Yandex API Key
Thunkable is providing its own key by DEFAULT. You can sign up for your own key on Yandex
The name of the language to translate from. Currently available in 94 languages.
The name of the language to translate to. Currently available in 94 languages
The blocks below translate a text from a Text Input and display the results as a label