{"key":"kalshi","title":"Kalshi","region":"us","status":"active","regions":["us"],"endpoints":["prediction","event_markets"],"example_paths":{"prediction":"/v1/prediction-markets/baseball_mlb?sources=kalshi","event_markets":"/v1/event-markets/search?q=<your+query>&sources=kalshi"},"freshness_path":"/v1/bookmakers/kalshi/freshness","historical_variants":{"opening_line_suffix":"_open","archive_normalized_suffix":"_an","examples":["kalshi_open","kalshi_an"],"note":"Historical closing-odds rows from this book may use `<key>_open` (opening line) or `<key>_an` (archive-normalized snapshot). Both resolve back to this book."}}