Static image host. Not an API.
Release artwork keyed by MusicBrainz Release MBID. Images are mirrored from the
Cover Art Archive by cover-art-scraper and served read-only.
https://coverart.kexp.org/<release-mbid>.jpg
Thumbnails are generated on demand. The full image plus these widths are
supported (aspect ratio preserved); a _500 or _250
suffix on the MBID selects the size. Any other size returns 404.
full https://coverart.kexp.org/be5f714d-02eb-4c89-9a06-5e544f132604.jpg 500px https://coverart.kexp.org/be5f714d-02eb-4c89-9a06-5e544f132604_500.jpg 250px https://coverart.kexp.org/be5f714d-02eb-4c89-9a06-5e544f132604_250.jpg
Use the MBID exactly as-is, lowercase and hyphenated. There is no directory listing and no search. A release with no artwork returns 404.