https://img.logoipsum.com/[logo_id].svgChange the extension to PNG, if you want PNG image. You can find the id number when previewing logo artwork page url. For example, here is the artwork page:
https://logoipsum.com/artwork/288288 is the logo_id, and you can simple write:
https://img.logoipsum.com/288.svgYou can also copy the hotlinking url in the action bar on the artwork page. This feature currently at: "Let's see how fast the bandwidth get drained." :P, and can be disable at any time.