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About

PropLine is a real-time player-props betting odds API serving 34 sports and 13 books — including Pinnacle and four exchanges (Kalshi, Polymarket, Smarkets, Matchbook) that the-odds-api and OddsJam don't carry. It is the only odds API that automatically resolves player props against actual box scores: every Over/Under outcome ships with won/lost/push/void plus the real stat value. Pricing is per request, not per credit, so player props and alternate lines don't multiply your bill the way they do on credit-metered APIs. The response schema is the-odds-api-compatible, so migrating is a base-URL change. Free tier is 1,000 requests/day with no credit card; Pro is $19/mo for 25,000/day with cross-book +EV, historical line movement and graded resolution; Streaming is $79/mo for 1M/day plus HMAC-signed webhooks. Official Python, Node, MCP and CLI SDKs.

About

Provide a comprehensive, cost-effective data API to help you realize your sports dreams. The universal data format is all well structured and easy to implement. Compared with the official website, we have the same accuracy and latency of fewer than 10 seconds. Get up and running with iSports API in just a couple of minutes. iSports API has 16-year experience in sports data industries. iSports API is a tier-1 sports data provider in Asia. iSports has 100+ software engineers and a maintenance team to support our services. Our data covers 1600+ football leagues & cups, and 300+ basketball leagues & cups. Register and then log in. Submit the sport you want to try, then the free trial begins. Please log in and create a ticket, our engineer will reply to you in one business working day. Accuracy is what we strive for, but with thousands of data listed at any given time, sometimes it's inevitable that some errors slip through. If you find any errors, let us know and we'll try to correct it.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Sports betting developers, quant/algo bettors, DFS tool builders, bet-tracker and odds-comparison apps, sports data engineers

Audience

Indiviuals searching for a solution to visualize sports data, scores, schedules, results, and events

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$0 (free tier) / $19 per month
Free Version
Free Trial

Pricing

$49 per month
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • -Reliability is top notch quality -Accuracy is phenomenal -Data speeds are excellent - Support is available 24/7. They respond almost immediately if there is an issue.
  • PropLine has been one of the best APIs I’ve worked with. The API is fast, well documented, and easy to integrate, with excellent coverage across sports and player props. What really stands out is the support. The team listens to feedback, responds quickly, and has shipped multiple improvements based on real developer suggestions. The pricing is also very fair compared to other sports data providers.
  • -They sell results (no fluff) - they dont waste time - CHEAPER and BETTER then oddsapi by a mile. - Pretty straightforward

Cons

  • No cons found. I have been using on a daily basis since April 2026 and have zero complaints. If I had to "find" a con to list, it would be building out Prop-Line with the intent of Live Betting. During Live betting, Odds & Lines change frequently so it's a complete different beast.
  • I honestly don’t have any major complaints. I’d love to see the platform continue expanding with even more sports, markets, and documentation over time, but the team has been consistently improving the product and adding new features.
  • - This brand isn’t out enough like oddapi. If i found this brand when I first started. My project would’ve took hours instead of weeks.

Pros & Cons from Real Users

Pros

  • iSports API has been a solid backbone for our football data service since we started using it two years ago. We run a small sports news site and needed an API that could deliver live scores without breaking the budget. The data coverage is impressive. It includes major leagues like the Premier League and Champions League but also obscure lower divisions that other providers often skip. We have never had a data outage during major events, and updates typically come through in under 10 seconds even when traffic spikes. The API itself is straightforward to work with. The endpoints are logical, the JSON payloads are clean, and we got our first integration working the same day we signed up. Their documentation covered all the basics without making us dig through obscure forums. When we had a question about a specific data field, support replied within a day with an answer that actually addressed our technical concern.
  • We’re a tiny three-person team building a football stats site. Tried a couple of other APIs first — data felt sluggish, or pricing stayed hidden behind a “book a call” wall. With iSports, things just worked right away. Live scores are quick — like a few seconds behind — so it genuinely feels real-time to users. Even on big match days, the API held up without us needing any panicked late-night fixes. As the only backend dev, that’s a very big deal for me. Football coverage is deep. Top leagues, obviously, but also a load of lower divisions we didn’t expect to find easily. Integration was straightforward: REST, clean JSON, decent docs. We had live data showing up in staging within an hour. The 20-year historical database has been a quiet win too. We’re tinkering with some prediction ideas, and not having to scrape or clean that data ourselves saves months. Support is responsive and actually helpful. And they keep adding useful things — xG, deeper player stats — without any hype.
  • iSports API is the most reliable and cost-effective sports data solution for any football or basketball-focused platform. We have been using iSports API for over two years to power our live scores app and analytics dashboard. The coverage is exceptional — spanning 2,000+ football leagues and 800+ basketball leagues across 140+ countries, from the English Premier League and UEFA Champions League down to regional divisions we never expected to find. The real-time data latency is consistently under 10 seconds, and even during peak tournament periods like the World Cup or Champions League knockouts, the live scores and match events (goals, cards, substitutions, corners) update smoothly without drops. The API structure is clean, RESTful, and genuinely developer-friendly. We had our first endpoint integrated within a single afternoon thanks to the well-structured JSON responses and clear documentation. Whenever we hit a technical question or needed clarification on data fields, their support team responded within one business day via ticket, and the engineers actually understood the API internals rather than just sending canned replies.

Cons

  • Some league data varies by region and licensing, so availability can differ depending on your location. This is common in the sports data industry but something to keep in mind when planning your data coverage.
  • The free trial is fine for testing, but live data has a ~2-minute delay and a daily call cap, so you can’t really demo real-time features on it. Paid plans remove the delay — just something to keep in mind. We also bumped into a few per-endpoint rate limits early on (e.g. schedule/results locked to one call per 60 seconds). The docs do spell that out — we’d just skimmed straight past it in the chaos of getting started. Totally on us.
  • The platform is laser-focused on football and basketball, which is perfect for our use case but means you'll need a separate provider if you require deep coverage of tennis, cricket.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

PropLine
Founded: 2026
United States
prop-line.com

Company Information

iSports API
United States
www.isportsapi.com

Alternatives

Sports Game Odds API

Sports Game Odds API

Sports Game Odds

Alternatives

Statorium

Statorium

BearDev
Sports Game Odds API

Sports Game Odds API

Sports Game Odds

Categories

Categories

Integrations

C#
Go
Java
Kalshi
PHP
Polymarket
Python

Integrations

C#
Go
Java
Kalshi
PHP
Polymarket
Python
Claim PropLine and update features and information
Claim PropLine and update features and information
Claim iSports API and update features and information
Claim iSports API and update features and information