Domain verification

I've been trying to apply to Shopping on Instagram and I was told that to do it I need to verify my domain. The problem is: I sell products from a huge company here in Brazil called Natura and the website that I use to sell ( is managed by them, I have no access to the source code/HTML so that makes me unable to verify the domain. Other people who work selling products for the same company already have Shopping on Instagram and they didn't needed to verify their domain.

Is there a way for me to have the Shopping option without having to verify the domain or a way to verify it without having access to the souce code?

Asked about 2 months ago