Ruby Gem and Node Package for comprehensive Generation 1-7 Pokedex data, including 809 Pokémon, uses JSON schemas to verify the data
On the wiki it shows you can fetch "jp" (the Japanese name) however after console logging the names of pokemon... it does not offer it?
This issue appears to be discussing a feature request or bug report related to the repository. Based on the content, it seems to be still under discussion. The issue was opened by Mxdi and has received 2 comments.