{"ok":true,"provider":"nga","operation":"profile","status":200,"data":{"name":"National Gallery of Art Open Data Program","docs":"https://www.nga.gov/open-access-images.html","datasetUrl":"https://github.com/NationalGalleryOfArt/opendata","license":"CC0 1.0 Universal","refreshCadence":"Daily","usageGuidelines":["Use CSV bulk ingest for collection refreshes instead of per-object scraping.","Treat image/media URLs as references only; binaries are not bundled in open data dumps.","Preserve source attribution and avoid implying National Gallery endorsement.","Pass through known Wikidata identifiers as reconciliation hints."]}}