https://docs.underdogexchange.com Build trading and market-data integrations for Underdog's regulated prediction markets. https://docs.underdogexchange.com/changelog/websocket-2026-08-11 https://docs.underdogexchange.com/changelog/websocket-2026-08-11 Tue, 11 Aug 2026 00:00:00 GMT https://docs.underdogexchange.com/changelog/rest-2026-07-15 https://docs.underdogexchange.com/changelog/rest-2026-07-15 Wed, 15 Jul 2026 00:00:00 GMT