Using PrestaShop as API and/or dynamic images

[danbars]

Hi,

I have a shop with just one product that the users can customize and print their own image on it.
I have a php code that generates the product image with the user's uploaded image on it, and I would like to use it as the product's image in the cart.

Since the site itself is not a standard ecommerce site, the easiest for me would be to simply use PrestaShop as an API, and manage the storefornt myself. I could use calls like $cart->add(), $cart->checkout(), $cart->getItems(), etc.
Is this possible?

If not, is there a way to use dynamic images generated by the backend instead of pre-uploaded images from the catalog?

Thanks,
Dan

[danbars]

The fact that no one answers means that this is not possible?
Even an answer "this is not possible" would be appreciated.

Thanks,
daN