I am not sure if this can help but we opened these endpoints and now we have acces to everything:
https://creative.adobe.com/api/assets
https://creative.adobe.com/api/collections
hptts://creative.adobe.com/api/share
https://www.adobeexchange.com/api
https://ims-na1.adobelogin.com
https://ims-na1-cc1.adobelogin.com
https://adobeid-na1.services.adobe.com
https://na1r.services.adobe.com
Greetings,
Frederik