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Find Profitable Bets Instantly with the Value Bets API

If you’re serious about sports betting, you know how powerful real-time data can be. Whether you’re a developer, sports trader, or running a betting platform, fast and reliable odds comparison can give you a major advantage. With our Value Bets API, you get access to real-time odds from over 250 bookmakers, including industry leaders like Bet365 and SingBet. This guide will walk you through how to use our API to uncover profitable bets.

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What Is a Value Bet?

A value bet is when a sportsbook offers odds that are too high based on the actual probability of the outcome. These bets have positive expected value (EV), which means they offer long-term profitability when used correctly. Spotting these bets manually is difficult and time-consuming. Our Value Bets API does the work for you by analyzing live odds and identifying high-EV bets instantly.

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How the Value Bets API Works

Our system scans live odds across more than 250 trusted bookmakers worldwide. It calculates the expected value for each bet and filters out anything that doesn’t offer a clear statistical edge. You’ll only receive bets that have strong upside potential based on the latest odds data.

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Real-Time API Example

With a simple API call, you can retrieve profitable value bets from any bookmaker. For example, to get value bets from Bet365: 
https://api.odds-api.io/v3/value-bets?apiKey=YOUR_API_KEY&bookmaker=Bet365&includeEventDetails=true
This will return live value bets from Bet365, complete with event info, odds, market type, and EV percentage. 
curl "https://api.odds-api.io/v3/value-bets?apiKey=YOUR_API_KEY&bookmaker=Bet365&includeEventDetails=true"

const apiKey = process.env.ODDS_API_KEY;

const response = await fetch(
  `https://api.odds-api.io/v3/value-bets?apiKey=${apiKey}&bookmaker=Bet365&includeEventDetails=true`
);

const valueBets = await response.json();
console.log(valueBets);

import requests
import os

api_key = os.environ['ODDS_API_KEY']

response = requests.get(
    'https://api.odds-api.io/v3/value-bets',
    params={
        'apiKey': api_key,
        'bookmaker': 'Bet365',
        'includeEventDetails': True
    }
)

value_bets = response.json()
print(value_bets)

<?php
$apiKey = getenv('ODDS_API_KEY');

$url = 'https://api.odds-api.io/v3/value-bets?' . http_build_query([
    'apiKey' => $apiKey,
    'bookmaker' => 'Bet365',
    'includeEventDetails' => true
]);

$response = file_get_contents($url);
$valueBets = json_decode($response, true);
print_r($valueBets);

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Example Response

Let’s say the API returns a bet on the away team, Manisa Futbol Kulubu, with an expected value of 110.73%. That means this bet is priced better than it should be, giving you a statistical edge. 
{
  "id": "63628875-Spread-away-Bet365--1",
  "expectedValue": 110.73,
  "expectedValueUpdatedAt": "2025-09-16T11:33:06.615Z",
  "betSide": "away",
  "market": {
    "name": "Spread",
    "hdp": -1,
    "home": "2.491",
    "away": "1.671",
    "max": 150
  },
  "bookmaker": "Bet365",
  "bookmakerOdds": {
    "home": "1.950",
    "away": "1.850",
    "hdp": "-1",
    "href": "https://www.bet365.com/#/AC/B1/C1/D8/E181348466/F3/"
  },
  "eventId": 63628875,
  "event": {
    "home": "Kirikkale FK",
    "away": "Manisa Futbol Kulubu",
    "date": "2025-09-16T12:30:00Z",
    "sport": "Football",
    "league": "Turkiye - Turkiye Kupasi"
  }
}

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Understanding the Response

FieldDescriptionExample
expectedValueThe calculated EV as a percentage110.73% means the bet offers 110.73% value
betSideWhich outcome has value”away”, “home”, “over”, “under”
market.nameThe betting market”Spread”, “ML”, “Over/Under”
bookmakerOddsCurrent odds at the bookmakerBet365 offers 1.850 for away
eventMatch detailsTeams, date, sport, league
An expected value of 110.73% means if you repeatedly place similar bets, you can expect a return of 110.73% over the long run. That’s a significant edge.

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Filtering High-Value Bets

Here’s how to filter and sort value bets to find the most profitable opportunities: 
// Filter bets with at least 5% expected value
const highValueBets = valueBets
  .filter(bet => bet.expectedValue >= 5)
  .sort((a, b) => b.expectedValue - a.expectedValue);

// Display the top 5 value bets
highValueBets.slice(0, 5).forEach((bet, index) => {
  console.log(`\n#${index + 1} Value Bet:`);
  console.log(`Match: ${bet.event.home} vs ${bet.event.away}`);
  console.log(`League: ${bet.event.league}`);
  console.log(`Market: ${bet.market.name}`);
  console.log(`Bet on: ${bet.betSide}`);
  console.log(`Odds: ${bet.bookmakerOdds[bet.betSide]}`);
  console.log(`Expected Value: ${bet.expectedValue.toFixed(2)}%`);
  console.log(`Bookmaker: ${bet.bookmaker}`);
  console.log(`Place bet: ${bet.bookmakerOdds.href}`);
});
Output: 
#1 Value Bet:
Match: Kirikkale FK vs Manisa Futbol Kulubu
League: Turkiye - Turkiye Kupasi
Market: Spread
Bet on: away
Odds: 1.850
Expected Value: 110.73%
Bookmaker: Bet365
Place bet: https://www.bet365.com/#/AC/B1/C1/D8/E181348466/F3/

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Monitoring Multiple Bookmakers

To maximize opportunities, monitor value bets across multiple bookmakers: 
const bookmakers = ['Bet365', 'SingBet', 'Unibet', 'William Hill', 'DraftKings'];

async function getAllValueBets() {
  const apiKey = process.env.ODDS_API_KEY;

  const promises = bookmakers.map(bookmaker =>
    fetch(
      `https://api.odds-api.io/v3/value-bets?apiKey=${apiKey}&bookmaker=${bookmaker}&includeEventDetails=true`
    ).then(res => res.json())
  );

  const results = await Promise.all(promises);

  // Combine all value bets
  const allBets = results.flat();

  // Filter for minimum 5% EV and sort by EV
  const topBets = allBets
    .filter(bet => bet.expectedValue >= 5)
    .sort((a, b) => b.expectedValue - a.expectedValue);

  return topBets;
}

const valueBets = await getAllValueBets();
console.log(`Found ${valueBets.length} value bets across all bookmakers`);

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Real-World Use Case: Automated Alerts

Build an automated system that alerts you when high-value bets appear: 
class ValueBetMonitor {
  constructor(apiKey, minEV = 5) {
    this.apiKey = apiKey;
    this.minEV = minEV;
    this.bookmakers = ['Bet365', 'SingBet', 'Unibet'];
    this.notifiedBets = new Set();
  }

  async checkForValueBets() {
    for (const bookmaker of this.bookmakers) {
      try {
        const response = await fetch(
          `https://api.odds-api.io/v3/value-bets?apiKey=${this.apiKey}&bookmaker=${bookmaker}&includeEventDetails=true`
        );

        const bets = await response.json();

        bets
          .filter(bet => bet.expectedValue >= this.minEV)
          .filter(bet => !this.notifiedBets.has(bet.id))
          .forEach(bet => {
            this.sendAlert(bet);
            this.notifiedBets.add(bet.id);
          });
      } catch (error) {
        console.error(`Error checking ${bookmaker}:`, error);
      }
    }
  }

  sendAlert(bet) {
    const message = `
🎯 Value Bet Alert!

${bet.event.home} vs ${bet.event.away}
${bet.event.league} | ${bet.event.sport}

Market: ${bet.market.name}
Bet on: ${bet.betSide.toUpperCase()}
Odds: ${bet.bookmakerOdds[bet.betSide]}
Expected Value: ${bet.expectedValue.toFixed(2)}%

Bookmaker: ${bet.bookmaker}
Place bet: ${bet.bookmakerOdds.href}
    `.trim();

    console.log(message);
    // Send via email, SMS, Telegram, etc.
  }

  start(intervalSeconds = 30) {
    console.log('Starting value bet monitor...');
    this.checkForValueBets(); // Initial check
    setInterval(() => this.checkForValueBets(), intervalSeconds * 1000);
  }
}

// Usage
const monitor = new ValueBetMonitor(process.env.ODDS_API_KEY, 5);
monitor.start(30); // Check every 30 seconds

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Why Use Odds-API.io for Value Betting?

Here’s what sets us apart:

Real-Time Data

Odds updated with sub-150ms latency

250+ Bookmakers

Including Bet365, SingBet, William Hill, DraftKings, and more

20+ Sports

Football, basketball, tennis, esports, and more

100+ Market Types

ML, spreads, totals, props, and specialized markets

99.9% Uptime

Backed by SLA for reliability

Developer-First

Clean JSON responses with full documentation

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Get Started Free

Start with our free tier, no credit card needed. Test the full API including value bets. Need higher limits or additional features? Reach out for custom enterprise solutions with dedicated infrastructure and 24/7 support.

Get Started Free

Get started with Odds-API.io today

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Frequently Asked Questions

We cover football, basketball, tennis, baseball, esports, and more. Over 20 sports in total.
Yes, you can filter by bookmaker, sport, and market type. You can also set your own minimum expected value threshold.
Odds are updated in real time, with average latency under 150 milliseconds. Value bets are recalculated every 5 seconds.
We analyze odds from all available bookmakers to calculate the true market probability, then compare each bookmaker’s odds to identify value opportunities.
Over 250 bookmakers worldwide, including Bet365, SingBet, Unibet, William Hill, DraftKings, FanDuel, and many more.

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Next Steps

API Reference

Explore the full Value Bets API documentation

Value Bets Guide

Learn advanced value betting strategies

Best Practices

Optimize your API usage and implementation

Quickstart

Get started with your first API call