Skip to main content

Blog

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

Polymarket and Kalshi Arbitrage: A Developer Guide

Polymarket and Kalshi Arbitrage: A Developer Guide

Polymarket and Kalshi are creating massive arbitrage opportunities. Build an automated scanner with Odds-API.io using real-time WebSocket streaming and 450+ bookmaker data in a single API.

Polymarket & Kalshi Odds Data for Developers

Polymarket & Kalshi Odds Data for Developers

Billions in volume, tens of millions taken by arb bots. Polymarket and Kalshi data is now in your Odds API feed, with depth, lay odds and native IDs.

Value Betting API: How Expected Value Works

Value Betting API: How Expected Value Works

Learn how value betting works, how to calculate expected value, and how to use the Odds-API.io Value Bets endpoint to find +EV bets across 450+ bookmakers.

How to Get Player Prop Odds via API in Real Time

How to Get Player Prop Odds via API in Real Time

Player props are booming in US sports betting. Learn how to fetch real-time prop odds via API, why they matter for apps, and how Odds-API.io makes integration easy.

How to Build a Betting App with a Sports Odds API

How to Build a Betting App with a Sports Odds API

Learn how to build a simple betting app by integrating a sports odds API. This hands-on tutorial shows developers how to connect real-time odds, fetch data, and display betting markets step by step.

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

See what's built with Odds API →