Free virtual try-on API for a mobile app (student project)?

I’m working on an Android (Java) mobile app for a school project, and I’m trying to integrate a virtual try-on feature (clothes fitting on user images).

I’ve explored a few options on platforms like Hugging Face, but most of the good models are:

only available as demos (Spaces)

not exposed as stable APIs

or require paid GPU/inference

I’m looking for something:

free (or at least free-tier friendly)

accessible via API (REST preferred)

usable in a mobile app backend (FastAPI)

doesn’t need me to train a model from scratch

I already checked things like:

VTON / diffusion-based models

some Hugging Face Spaces (but hard to integrate as API)

Questions:

Are there any free virtual try-on APIs I can realistically use?

Is there a reliable way to turn a Hugging Face Space into an API?

Any open-source models that are actually practical to deploy for a student project?

I’m okay with something not perfect visually—just needs to work for a demo.

Thanks 🙏