Not artworks found

[Borja Igartua]

Hi, 

I am trying to get the artworks from different artists and the api is not returning all the data I expect.

I am requesting the artworks for this artist id: 629bba7e26544e000b04410e

The request returns the right data, with the right permalink: (https://www.artsy.net/artist/benjamin-cruz-javier) but when I try to get all the artworks for sale from this artist the api is retuning no artworks

request:

https://api.artsy.net/api/artworks?artist_id=629bba7e26544e000b04410e

response:

{"total_count":null,"_links":{"self":{"href":"https://api.artsy.net/api/artworks?artist_id=629bba7e26544e000b04410e"}},"_embedded":{"artworks":[]}}

However if we check the permalink this artist has plenty artworks to sale

https://www.artsy.net/artist/benjamin-cruz-javier/works-for-sale

How can I get this data from the api? do I need different permissions?

Thanks