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Guides and tutorials for developers working with sports odds data. New here? Start with our sports odds API or the esports odds API.

Betfair API: Exchange Back, Lay and Depth Prices in Code

Betfair API: Exchange Back, Lay and Depth Prices in Code

Betfair's own API is built for placing bets. How to read Betfair Exchange back, lay and depth prices, Sportsbook odds, in-play and closing lines through the Odds-API.io v3 API, with a Python example.

Live Odds API: Polling vs WebSocket Streaming

Live Odds API: Polling vs WebSocket Streaming

Three ways to keep in-play odds fresh on the v3 API: polling /odds and /odds/multi, delta polls with /odds/updated, and the WebSocket stream, with the reconnect logic that keeps state intact.

OddsNotifier and OddsHub run on the same real-time feed you get with the API.

See what's built with Odds API →