Betfair has a public API, but they are not parimutuel: https://docs.developer.betfair.com/display/1smk3cen4v3lu3yomq5qye0ni/API+Overview https://docs.developer.

Betfair has a public API, but they are not parimutuel: https://docs.developer.betfair.com/display/1smk3cen4v3lu3yomq5qye0ni/API+Overview https://docs.developer.betfair.com/display/1smk3cen4v3lu3yom... Tabcorp is an Australian Wagering Company that offers real-time horse racing APIs: https://studio.tab.com.au/ https://studio.tab.com.au/ Others are a little less public and you need to sign up with an account and prove you are a syndicate. Hong Kong Jockey Club, UniBet, Amtote. I don't normally talk about this history as I was active in this industry until four years ago. There are however people who have come out in public: Bill Benter: https://www.bloomberg.com/news/features/2018-05-03/the-gambler-who-cracked-the-horse-racing-code https://www.bloomberg.com/news/features/2018-05-03/the-gambl... Jelko: https://www.smh.com.au/national/meet-the-joker-the-australian-who-is-the-biggest-gambler-in-the-world-20180515-p4zfhi.html https://www.smh.com.au/national/meet-the-joker-the-australia... Most of the other families and players are extremely private or are of Eastern European I wont talk about them publicly. This is a list of common bet types that are targets for these types of players: - Trifecta - Big Six - Quadrella - First 4 Here is a blog on working the combinations of the Big Six: https://practicalpunting.com.au/pp-online/a-z-of-betting/exotic-betting/big-six/my-formula-to-beat-the-big-6-20090404 https://practicalpunting.com.au/pp-online/a-z-of-betting/exo...