{"key":"polymarket","title":"Polymarket","region":"global","status":"active","regions":["global","us"],"endpoints":["prediction","event_markets","props"],"example_paths":{"prediction":"/v1/prediction-markets/americanfootball_nfl?sources=polymarket","event_markets":"/v1/event-markets/search?q=<your+query>&sources=polymarket","props":"/v1/sports/americanfootball_nfl/props?bookmakers=polymarket"},"freshness_path":"/v1/bookmakers/polymarket/freshness","historical_variants":{"opening_line_suffix":"_open","archive_normalized_suffix":"_an","examples":["polymarket_open","polymarket_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."}}