Sports Betting Data Guides
Learn the concepts behind sports betting data and the math used to evaluate odds. Developers and bettors can explore venue access guides and tutorials for building with an odds API.
Betting data concepts
What Is a Sports Betting API? How It Works (2026 Guide)
A sports betting API delivers real-time odds, lines and market data from sportsbooks to your application over HTTP.
What Is a Sportsbook API? How It Works and What It Returns
A sportsbook API provides programmatic access to real-time odds, lines and betting markets from one or more sportsbooks.
How Live Is Real-Time Odds Data? Latency & Freshness
Understand what "real-time" actually means for sports betting odds APIs.
How to Track Line Movement in Sports Betting (With API Examples)
Line movement tracks how betting odds shift from open to close.
Edge math
What Is +EV Betting? Expected Value in Sports Betting Explained
Learn what EV betting (positive expected value, +EV) means: how to calculate it, find edge, and build detection tools.
How to Remove the Vig: No-Vig Odds Formula and Example
Remove the vig in four steps: convert American odds to implied probability, sum the market, normalize each probability, and convert back.
Sports Betting Arbitrage Explained: Formula & Examples
Learn how sports betting arbitrage works with step-by-step formulas, staking calculations, and code examples.
Getting data from specific venues
Pinnacle API Odds Documentation - Auth, Endpoints, Code (2026)
Documentation for pulling Pinnacle odds via API: authentication, the odds endpoint and its parameters, response fields, rate limits, and working TypeScript, Python, and cURL examples.
How to Get Kalshi Market Data via API (2026 Guide)
Get Kalshi implied odds through an API in minutes, normalized alongside the major sportsbooks and Polymarket.
How to Get Polymarket Market Data via API (2026 Guide)
Get Polymarket implied odds through an API in minutes, normalized alongside the major sportsbooks and Kalshi.
Building
Sports Betting API in Python: A Complete Tutorial (2026)
Connect to a real-time sports betting API in Python in under 5 minutes.
SSE vs WebSocket for Sports Data: Which Protocol to Use
Compare SSE (Server-Sent Events) and WebSocket for real-time sports betting data.
How to Build a Sports Betting App with an Odds API (2026)
Learn how to build a sports betting app step by step, from choosing an odds API to displaying real-time lines, detecting arbitrage, and shipping to production.