For "location_name" = "Switzerland" there are only three language_name accepted "German", "French" and "Italian".
Maybe for "English" we would need to change location_name -> use a mapper or similar. The available combinations can be found here:
https://cdn.dataforseo.com/v3/locations/locations_and_languages_dataforseo_labs_2026_04_06.csv
For
"location_name" = "Switzerland"there are only threelanguage_nameaccepted "German", "French" and "Italian".Maybe for "English" we would need to change
location_name-> use a mapper or similar. The available combinations can be found here:https://cdn.dataforseo.com/v3/locations/locations_and_languages_dataforseo_labs_2026_04_06.csv