Submissions result in other languages

Hello everyone
I have a question when I try to connect to Kobo and change the response language, it won’t let me. this form is available in Languages: EN,ES,FR,AR
idiom

When running this endpoint only show in Spanish:

https://kobonew.ifrc.org/assets/ID/submissions/?format=json&lang=en

Any ideas ?
Best

Welcome to the community, @sowe! Did you mean you get this issue when you try to collect data through a web form?