Url for remote APIs w/ docker hub


I am trying to use the remote APIs on docker hub from a C# application. Initially I would just like to get an image list back then explore the containers and tags. The remote API for retrieving images is /images/json?all=0 (or 1). My problem is I can’t find the URL that goes in front of it. I’ve tried https://hub.docker.com/images/json/all=0, https://registry.docker.com/v2/images/json?all=0, https://index.docker.io/v2/images/json?all=0. All with no success.

Can anyone help me with the URL to use with /images/json with docker hub?