Audience
Sports betting developers, quant/algo bettors, DFS tool builders, bet-tracker and odds-comparison apps, sports data engineers
About PropLine
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.
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Product Details
PropLine Frequently Asked Questions
PropLine Product Features
PropLine Verified User Reviews
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Prop-Line has the most reliable API in the industry!" Posted 2026-07-06
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.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.
Overall: I'm ecstatic with the services that Prop-Line offers. The API they offer has everything a user would need. Prop-Line can support casual/novice users all the way to Professional gamblers and Developers in this industry.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Excellent API, Outstanding Support" Posted 2026-07-04
Pros: 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.
Cons: 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.
Overall: I’ve been using PropLine daily while building a sports analytics application, and it’s been a great experience. The API is reliable, the documentation is clear, and the support has been exceptional. It’s rare to find a team that responds this quickly and genuinely values customer feedback. I highly recommend PropLine to anyone building sports betting, analytics, or odds applications.
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Greatest Api sports key ever." Posted 2026-07-03
Pros: -They sell results (no fluff)
- they dont waste time
- CHEAPER and BETTER then oddsapi by a mile.
- Pretty straightforwardCons: - 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.
Overall: - 11/10.
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- If your looking for real results your in the right place.
- offer a free tier way more generous compared to sportsdata. Where they treat there customers more then profit.
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