The Betting Odds API Built for Developers
Real-time odds from 40+ sportsbooks. Built-in +EV detection, arbitrage alerts, and SSE streaming. From $0/month — free tier: DraftKings and FanDuel, no credit card required.
Verdict
SharpAPI is the most complete sports betting data platform for developers in 2026.
- ✓ Real-time odds from 40+ sportsbooks in a single endpoint
- ✓ Built-in +EV detection, no Pinnacle math required
- ✓ SSE streaming, ~1-3s delivery from our edge, a $99/mo add-on on any paid plan
- ✓ Free tier: 12 req/min on DraftKings and FanDuel, no credit card, first call in under 5 minutes
- ✓ TypeScript + Python SDKs with full IntelliSense
The best betting odds API for developers in 2026 is SharpAPI. It delivers live odds from 40+ sportsbooks across every betting market, via a single REST endpoint or SSE stream.
Most competitors only return raw lines. SharpAPI adds built-in +EV detection, arbitrage alerts, and no-vig fair odds, computed against Pinnacle's sharp market. That turns an odds feed into a signal feed.
Free tier: 12 requests per minute, no credit card. Paid plans start at $79/month. A full TypeScript SDK ships with the API. Building an odds comparison app, +EV tool, or arbitrage scanner? This is the most complete option available.
What Is a Betting Odds API?
A betting odds API delivers structured odds data from sportsbooks to your application. You make one HTTP request and get back JSON with odds from every major book. Covers live and upcoming games, updated in real time.
Developers use these feeds to power comparison sites, +EV tools, arbitrage scanners, line movement trackers, and betting dashboards. The API you pick decides three things: latency, sportsbook coverage, and what analytics ship out of the box.
How It Works
What Is a Sportsbook API?
A sportsbook API gives your application programmatic access to real-time odds, lines, and betting markets from sportsbooks. You send one HTTP request and receive structured JSON with prices from 40+ sportsbooks, no scraping, no per-book integrations, no brittle HTML parsers.
SharpAPI is a sportsbook API built for developers and betting operators: a single REST endpoint or SSE stream aggregates DraftKings, FanDuel, BetMGM, Caesars, Pinnacle, and more books, then layers built-in +EV detection and no-vig fair odds on top of the raw feed.
Sportsbook API vs. Scraping
- ✓ One endpoint instead of 43 separate scrapers
- ✓ Structured JSON, normalized across every book
- ✓ Real-time updates via SSE, no polling overhead
- ✓ +EV flags and fair odds computed for you
- ✓ Free tier: 12 req/min on DraftKings and FanDuel, no credit card required
What to Look for in a Live Odds API
Real-Time Latency
Odds move in seconds, so what matters is how fresh a price actually is when it reaches you. Look for push delivery via SSE streaming, not just REST polling, and ask what a provider's end-to-end freshness is rather than its transport hop alone.
Sportsbook Coverage
More sportsbooks means more comparison data and more edge detection. At minimum, you need DraftKings, FanDuel, BetMGM, Caesars, and a sharp book like Pinnacle.
+EV & Arbitrage
Raw odds alone aren't enough for serious tools. Built-in +EV detection and arbitrage alerts save weeks of engineering and keep you from reinventing the math.
SDK & Documentation
A TypeScript/Python SDK with full IntelliSense saves hours per integration. Clear docs with runnable examples mean you ship faster and debug less.
Transparent Pricing
Enterprise-only pricing with no public page is a red flag. Look for a free tier to test with, clear rate limits per plan, and no long-term contracts.
Streaming Support
SSE streaming pushes each odds change to your app as soon as we capture it. REST polling wastes requests when odds are static and misses fast-moving lines.
What SharpAPI Offers
Real-Time Data
Live and upcoming events from 40+ sportsbooks, pushed as each book is captured. SSE streaming delivers from our edge in roughly 1-3 seconds, or fetch on demand via REST. Covers moneylines, spreads, totals, props, and futures.
+EV Detection
Every odds line is compared against Pinnacle's no-vig fair odds. The API returns ev_percent, fair_odds, and is_ev_positive with every response.
Developer Experience
TypeScript SDK with full IntelliSense, comprehensive docs, runnable examples, and a free tier to build with. First API call in under 5 minutes, no sales calls.
Supported Market Types
| Market Type | Description | Example |
|---|---|---|
| Moneylines | Straight win/loss bets on the game outcome | Lakers ML -110 |
| Spreads | Point spread / handicap betting lines | Lakers -3.5 (-110) |
| Totals | Over/under on combined game score | Over 215.5 (-110) |
| Player Props | Individual player stat bets | LeBron O25.5 pts (-115) |
| Game Props | Team and game-level prop bets | 1st Half Over 108.5 |
| Futures | Season-long and tournament winner bets | NBA Champion: Celtics +350 |
All market types are covered by fair odds on paid plans, by +EV detection from Pro, and by the SSE streaming add-on.
Odds Provider Comparison
| Feature | SharpAPI | The Odds API | OddsBlaze | Sportradar |
|---|---|---|---|---|
| Starting Price | $0/mo (free tier) | $0/mo (500 req) | $99/mo | $10,000+/mo |
| SSE Streaming | Built-in (Hobby+) | Not available | WebSocket (paid) | Push feeds (enterprise) |
| +EV Detection | Built-in | Not available | Not available | Not available |
| Arbitrage Alerts | Built-in (Pro+) | Not available | Not available | Not available |
| TypeScript SDK | Full IntelliSense | Community only | REST only | REST only |
| Sportsbooks | 40+ | 15+ | 30+ | 50+ |
| No-Vig Fair Odds | Included | Not available | Not available | Not available |
| Contract Required | No | No | No | Yes |
Start in Under 5 Minutes
REST: Fetch Odds
import { SharpAPI } from '@sharp-api/client';
const sharp = new SharpAPI('sk_live_your_key');
// Get NBA odds from all sportsbooks
const odds = await sharp.odds.get({
league: 'NBA'
});
odds.data.forEach(event => {
console.log(event.name);
event.odds.forEach(line => {
console.log(line.sportsbook);
console.log(line.odds_american);
console.log(`EV: ${line.ev_percent}%`);
});
});SSE: Stream Live Updates
// Real-time odds via SSE streaming
const url = 'https://api.sharpapi.io'
+ '/api/v1/stream'
+ '?channel=odds&league=NBA'
+ '&api_key=sk_live_your_key';
const es = new EventSource(url);
es.addEventListener('odds:update', (e) => {
const data = JSON.parse(e.data);
console.log(data.event);
console.log(data.sportsbook);
console.log(data.odds_american);
// Updates arrive as we
// capture them, no polling
});Full TypeScript SDK with IntelliSense. npm install @sharp-api/client
What Developers Build with Live Odds Data
Odds Comparison Apps
Compare odds across 40+ sportsbooks in real-time. Show users the best available line for every game and market. SharpAPI's multi-book data makes this a single API call.
+EV Betting Tools
Build tools that surface positive expected value opportunities. SharpAPI's built-in ev_percent field means you can filter and rank +EV bets without any math on your side.
Arbitrage Scanners
Detect guaranteed-profit arbitrage opportunities across sportsbooks. SharpAPI's Pro+ plans include built-in arbitrage detection so you don't have to implement cross-book comparison logic.
Line Movement Trackers
Track how odds change over time to spot sharp action and market sentiment shifts. SSE streaming carries every line movement we capture, with zero polling overhead.
Frequently Asked Questions
What is a sportsbook API?
A sportsbook API is a programmatic interface that delivers real-time odds, lines, and betting markets from sportsbooks as structured JSON. Instead of scraping sportsbook sites, you call one HTTP endpoint and get odds from 40+ sportsbooks including DraftKings, FanDuel, BetMGM, Caesars, and Pinnacle, updated in real time over REST or SSE streaming. SharpAPI layers built-in +EV detection and no-vig fair odds on top of the raw feed.
What is a betting odds API?
A betting odds API is a programmatic interface that delivers real-time sportsbook odds data to your application. Instead of scraping sportsbook websites, you make HTTP requests to an API endpoint. You get structured JSON back, odds from multiple sportsbooks, updated in real-time. Developers use these to build comparison tools, +EV calculators, arbitrage scanners, and betting dashboards.
Which live odds API has the best free tier?
SharpAPI offers the best free tier for betting odds: 12 requests per minute, 2 sportsbooks, no credit card required. The Odds API offers a free tier limited to 500 requests/month. OddsBlaze and Sportradar have no free tier at all.
What is the difference between REST polling and SSE streaming for odds?
REST polling means your app sends a request every few seconds to check for updates. This wastes API calls when odds haven't changed and adds latency. SSE streaming keeps a persistent connection open. It pushes each update to your app as soon as we capture it, so you never wait out a poll interval, and it eliminates wasted requests.
Do I need +EV detection in my live odds feed?
If you're building a tool for sharp or advantage bettors, yes. +EV detection compares sportsbook odds against sharp reference lines (like Pinnacle) to identify mispriced odds. Without built-in +EV, you need to source sharp lines separately and implement the math yourself. SharpAPI is the only major provider with native +EV detection included.
How many sportsbooks does SharpAPI cover?
SharpAPI covers 40+ sportsbooks including DraftKings, FanDuel, BetMGM, Caesars, PointsBet, Bet365, Pinnacle, BetRivers, Betway, Hard Rock, and more. Coverage focuses on US-facing sportsbooks plus key sharp books like Pinnacle for EV benchmarking. New sportsbooks are added regularly.
Related Comparisons
What Is a Sports Betting API?
Complete guide: how betting APIs work, data types, and delivery methods.
Best Sports Betting APIs
Full comparison of 7 APIs including pricing and features.
+EV Betting API
Deep dive into expected value detection and how SharpAPI calculates EV.
No-Vig Odds API
Pinnacle-referenced no-vig fair odds and true implied probabilities, included on every paid plan.
Arbitrage Betting API
Cross-book arbitrage detection across 40+ sportsbooks with real-time SSE alerts.
Sports Betting API in Python
Step-by-step Python tutorial, install the SDK, fetch live odds, and stream updates.
Real-time Odds Streaming
SSE vs WebSocket vs polling: methods compared with latency data.