In the world of sports betting, speed, accuracy, and access to quality data are advantages that turn into money. Sports APIs (Application Programming Interface) are mechanisms that provide applications with direct access to matches, results, player statistics, lineups, transfers, odds lines, and live events. With APIs, data collection can be automated, speed alerts can be built, forecasting models can be fed, and lines can be kept up to date.
API-sport — one of the popular services that offers a set of such data: live results, detailed match statistics, historical archives, and service information (lineups, cards, substitutions). In this article, we use API-sport as an example — we will analyze its capabilities and show how to choose a statistics service for betting against this background.
Who it is useful for:
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developers and engineering teams (integration and product development);
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betting platforms and bookmakers (lines, speed updates);
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sports media and aggregators (match feed, team cards);
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analysts and data scientists (forecasting models, backtesting).
What is an API?
An API is an interface that allows programs to «talk» to each other. In the context of sports, it is a set of endpoints that return data in JSON or XML format about events, teams, players, and odds.
API-sport — a commercial provider of sports information focused on developers and projects in the betting industry. The typical functionality of such a service includes:
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Live events in real-time: goals, substitutions, cards, event statistics;
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Stationary statistics: possession, shots, corners, player assists/goals;
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Archives and historical data: past seasons, series of results, head-to-head;
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Official lists of teams and players, transfer news (sometimes);
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Calculable metrics and aggregates for analytics.
Features of API-sport — it is convenient documentation, fast response times, ready-made SDK/examples, flexible pricing, and coverage of popular leagues. But each provider has its own nomenclature of data and its own limitations — so it is important to compare not only the «yes/no» functions but also the quality of the data (update frequency, completeness, error percentage).
How to choose a sports statistics service for betting?
The choice should be made systematically: what data you need, how often, in what format, and what resources you are willing to invest in integration and payment. Below is a structured checklist.
Data provided by the API
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Match results (final and intermediate);
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Live events (goals, penalties, substitutions, cards);
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Odds and lines (if the API provides exchange or aggregated quotes);
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Team lineups (starting 11, substitutions, coach);
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Detailed match statistics (shots on target/missed, possession, passes, fouls);
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Player statistics (goals, assists, minutes, cards);
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Transfers and player status (info on injuries/suspensions);
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Historical data (needed for backtesting and training models).
If you are building betting models, it is important that the API provides both live stream and comprehensive historical data.
Supported sports
Check which disciplines are covered. For betting, it is important:
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major mass sports (football, basketball, hockey, tennis);
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niche leagues and divisions (if you are looking for value in lower divisions);
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esports (if you are working with CS/LoL/Dota);
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competition formats (cups, championships, friendly matches).
Different providers cover lower divisions and esports differently — clarify in advance.
Technologies and formats
It is important to understand how you will receive data:
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REST API — well suited for historical and reference data requests;
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WebSocket / Push — essential for stable and low-latency reception of live events;
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Data format — JSON is more convenient for most stacks; XML is less common;
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SDK and examples — the availability of ready-made SDKs (Python, JS, PHP) speeds up development;
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Documentation and test account — the clearer the documentation, the fewer errors during integration.
Official access
Providers usually require registration and issuance of an API key. Pay attention to:
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Registration process (is verification needed);
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Key format and rights (test/production);
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Terms of use (TOS, limits, commercial use);
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Pricing plans and additional data options (coefficients, live packages).
API-sport offers registration and issuance of keys: after registration, you gain access to the documented platform and the key that needs to be passed in each request.
10. RapidAPI, SportRadar, and other platforms provide access to BetsAPI and Livescore API through their channels. This is convenient for developers who need ready-made integrations and reliable SLAs.
In the sports data market, there are not only individual API providers but also entire marketplaces and aggregators, such as RapidAPI. They create a unified interface through which a developer can work with several providers at once, without spending time on separate registration and setup for each service. This is especially convenient during the testing phase when you need to quickly compare different data sources and choose the optimal one in terms of quality and update speed.
One of the main advantages of such aggregators is the unification of processes — you receive a single API key, centralized payment, and a clear request accounting system. However, convenience comes at a cost: an additional layer appears between your application and the actual data source, which may slightly increase the latency in information transmission. Moreover, aggregators often add their commission to the cost of requests, so the final price turns out to be higher than with a direct connection to the provider.
When it comes to large providers like SportRadar, they are primarily focused on the professional betting market. Their strong point is premium data quality, stability, and a high level of support. But along with this, the cost also rises — such solutions are suitable for companies with serious traffic and commercial projects where quality and reliability are more important than price.
12. Free plans usually include limited access to historical data and basic statistics. Paid subscriptions unlock:
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Free access: limited requests, delayed live data, trimmed leagues/history;
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Paid plans: increased limits, real-time updates, access to odds/commercial data API;
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Enterprise: SLA, dedicated channels, extended league coverage, and access to personal support.
You need to correlate the price and the criticality of the data: for production and betting, a paid plan is often required.
17. Number of requests per minute/hour
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RPS / requests per minute (rate limits);
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Number of WebSocket connections;
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Frequency of live event updates (millisecond/second granularity);
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Restrictions on historical volumes (for example, access to the archive for X years).
Check how error handling is done when limits are exceeded: is there a queue mechanism, backoff, subscription to webhook.
API Integration
Python (requests, example of connecting to REST):
import requests
API_BASE = «https://api.example.com» replace # with the actual base URL
API_KEY = «YOUR_API_KEY»
headers = {«Authorization»: f»Bearer {API_KEY}»}
resp = requests.get(f»{API_BASE}/matches/upcoming», headers=headers, params={«league»: «EPL»})
if resp.status_code == 200:
data = resp.json()
for match in data.get(«matches», []):
print(match[«home_team»], «-«, match[«away_team»], match[«start_time»])
else:
print(«Error:», resp.status_code, resp.text)
JavaScript (fetch, example):
const API_BASE = «https://api.example.com»; // replace
const API_KEY = «YOUR_API_KEY»;
async function getUpcomingMatches() {
const res = await fetch(`${API_BASE}/matches/upcoming?league=EPL`, {
headers: { «Authorization»: `Bearer ${API_KEY}` }
});
if (!res.ok) {
console.error(«Error:», res.status);
return;
}
const data = await res.json();
console.log(data.matches);
}
getUpcomingMatches();
Integration into CMS and mobile applications
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WordPress: a plugin or custom REST plugin that fetches data and caches it (WP Cron + transient API) to reduce load.
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Android/iOS: call the server backend (not directly the API provider from client applications) to hide the key and implement caching/aggregation.
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It is important to implement caching (Redis, Memcached) and processing queues (RabbitMQ, Kafka) everywhere to increase resilience.
Using live data via WebSocket
WebSocket transmits data instantly — events from the match arrive in the application almost without delay. This is important for live betting and odds calculation, where every second counts.
Polling, that is, regular REST requests, creates load and delays, so it is suitable only for simple or rare updates when WebSocket is unavailable.
For live services, WebSocket/streaming is optimal — it preserves the order of events and saves traffic by transmitting only changes.
Where is it used?
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In betting and odds scanners — automatic line comparison, arbitrage, monitoring movements;
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In sports analytics and forecasts — preparation of features for models, backtesting strategies;
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In media and fan applications — match feeds, cards, interactive infographics;
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In Fantasy Sports and esports — operational player statistics, live score counting;
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In BI systems and Big Data projects — aggregation, visualization, analytics of large volumes of matches/seasons.
Advantages and disadvantages
Advantages
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Wide coverage of leagues and disciplines;
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Speed (especially when using WebSocket);
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Structured data ready for analytics;
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Simplification of automation and reduction of manual input errors.
Cons.
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Cost (especially for enterprise packages and real-time access);
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Limitations on limits and number of connections;
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Complexity of integration (if low-latency and scalability are needed);
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Data quality varies between providers — sometimes additional validations and adjustments are needed.
Let’s summarize
Choosing a sports statistics service for betting is always a search for balance between data quality, update speed, coverage breadth, and subscription cost. Before connecting, it is important to clearly define what data you really need: live events, historical statistics, lineups, or odds lines. Then make sure that the chosen provider supports WebSocket and provides frequent updates without delays.
It is important to assess rates and limits in advance — from the number of requests to the volume of available data. It is optimal to start with free trial access to check the stability of the service and the structure of responses. After that, consider caching and secure storage of keys on the backend to avoid overload and data leaks.
If you want to test API-sport, you can register on the platform and get your own API key. It is also worth subscribing to their Telegram channel to keep track of updates and new features of the service:
Registration: https://app.api-sport.ru/register
Our TG channel with updates: https://t.me/apisportru.
FAQ
Is there free access?
Briefly: almost always available — but with limits on caps and delays. The free plan is suitable for testing, but not for commercial live.
What sports are supported?
Briefly: basic set — football, hockey, basketball, tennis; many providers add esports and lesser-known leagues upon request.
Is the API suitable for betting (for calculating odds)?
Briefly: yes, if the API offers low-latency live stream and/or line data; usually, a paid level with SLA is needed for production.
How to connect the API to the application?
Briefly: register, get a key, use REST for reference data and WebSocket for live; store keys on the backend, implement caching and error handling.
Can the API be used for predictions?
Briefly: yes — especially if there are historical data and detailed statistics of players/teams; it is important to ensure data quality and validation.
What is more important — coverage of leagues or speed of updates?
Briefly: it depends on the strategy. For value bets on niche leagues, coverage is more important; for live bets, speed and order of events are critical.


Data provided by the API
Integration into CMS and mobile applications



