Welcome to Odds-API.io: What You Can Build
Real-time sports betting odds data from 250+ bookmakers
Written By James Mccoy
Last updated About 1 month ago
What is Odds-API.io?
Odds-API.io is a sports betting odds API that provides real-time data from over 250 bookmakers across 10+ sports. It's designed for developers, whether it’s building odds comparison sites, betting analytics tools, live betting applications or anything else.. Our odds API can help you build something great (and we’re here to help whenever you need it)
API Capabilities
Bookmaker Coverage
Access odds from 250+ bookmakers including:
Global: Bet365, Unibet, SingBet, William Hill, Betway
US: DraftKings, FanDuel, Caesars, BetMGM
Regional: Extensive coverage across Europe, Asia, and Australia
Plus 180+ more bookmakers
Sports Covered (10+)
Football (Soccer) - Premier League, La Liga, Champions League, etc.
Basketball - NBA, NCAA, EuroLeague
Tennis - ATP, WTA, Grand Slams
Baseball - MLB
American Football - NFL, NCAA
Ice Hockey - NHL
Esports - CS:GO, Dota 2, League of Legends
Cricket, Rugby, MMA
Here is a brief overview. You can see our coverage sheet to find out more about whats offered at any given moment:
Market Types (100+)
Match Result (ML) - Win/Draw/Lose
Spreads - Point handicaps
Totals - Over/Under
Player Props - Individual performance bets
Both Teams to Score - Yes/No
And hundreds more markets (See more)
Performance
<150ms latency via WebSocket
99.9% uptime
Real-time updates as odds change
5,000 requests/hour on all plans (More can be added if needed)
Common Use Cases
1. Odds Comparison Sites
Compare odds across bookmakers to help users find the best value.
Features:
Side-by-side odds comparison
Best odds highlighting
Direct bet links to bookmakers
Odds movement tracking
Revenue: Affiliate commissions
2. Value Bet Finders
Identify profitable betting opportunities with positive expected value.
Features:
Automated EV calculations (updated every 5 seconds)
Real-time alerts
Multi-bookmaker monitoring
Performance tracking
Revenue: Monthly subscriptions
3. Betting Analytics Tools
Data-driven insights for better betting decisions.
Features:
Line movement analysis
Historical data access
Implied probability calculations
Statistical trends
Revenue: Premium subscriptions
4. Live Betting Apps
Real-time in-play betting with WebSocket integration.
Features:
<150ms latency updates
Live market coverage
Instant odds change notifications
Live score integration
Revenue: Transaction fees or premium access
5. Player Props Trackers
Focus on individual player performance betting.
Features:
NBA, NFL, MLB, NHL props
Player stats integration
Line movement alerts
Compare across DraftKings, FanDuel
Revenue: Subscriptions or premium features
6.) Arb / Arbitrage Bot & Site
See where bookmakers are offering vastly different odds so you can guarantee profit by backing both sides.
Features:
One click scan to view arbs
Calculate guaranteed profit
Customise bookmakers
Powerful filters
Revenue: Subscriptions or premium features
Key Features
Getting Started
Sign up - 10-day free trial, no credit card
Get API key - Instant email delivery
Make first call - Working in under 5 minutes
Build - Use our documentation and examples
Quick Links:
Quick Start Guide - First API call in 5 minutes
API Overview
Simple RESTful Design
javascript
// Get available sports GET /v3/sports // Get upcoming events GET /v3/events?sport=football&league=premier-league // Get odds from bookmakers GET /v3/odds?eventId=123456&bookmakers=Bet365,UnibetWebSocket for Real-Time
javascript
// Connect for live updates wss://api.odds-api.io/v3/ws?apiKey=YOUR_KEYClean JSON Responses
Easy to parse and integrate with any programming language.
Developer Experience
✅ Simple Integration - RESTful API with standard HTTP methods
✅ Multiple Languages - Examples in JavaScript, Python, PHP, cURL
✅ Comprehensive Docs - Detailed guides and API reference
✅ Batch Operations - Fetch up to 10 events in one call
✅ Fast Support - Email response within 24 hours