Request for creating user sub account api

I am a developer and i need to create a sub account via api for future trading access to our site users. We couldn’t find out the solution from our analysis and kindly give your guidance for sub account creation via api.

If incase there will be no api guidance for creating sub account and is it possible from your end to add this in future from your end.

thank you for your suggestion. The broker program which may be helpful on this.