This API will be deprecated by October 15.
Multi-Language V2 API is a robust API which shall be used.
https://developer.walkme.com/reference#multi-language-v2-api
The Multi-Language API is used to import and export language translations files. It serves customers who would like to automate their translation processes with 3rd party translation software services.
Limitation Note: Import and export of language files are limited to 500 WalkMe items per API call