ParlayAPI is an API platform designed to provide real-time sports betting odds, prediction market data, and line movement tracking from 32 sportsbooks and prediction markets. The service targets developers, quants, serious bettors, and sports data professionals who require access to up-to-date and historical odds data for analysis, modeling, or integration into applications. ParlayAPI offers compatibility with the endpoint structure, query parameters, and JSON response format of the-odds-api, enabling straightforward migration for existing users by simply changing the base URL.
The platform delivers live odds data for major sports leagues such as the NFL, NBA, MLB, NHL, EPL, UFC, and NCAAF, as well as coverage of player props, alternative lines, and period markets (including live first half, quarter, and half spreads and totals). Users can access odds from leading sportsbooks such as DraftKings, FanDuel, BetMGM, Caesars, Bovada, BetRivers, Pinnacle, Polymarket, Kalshi, and others, including major French bookmakers. ParlayAPI also features exclusive prediction market data from Kalshi and supports cross-referencing of market-implied versus book-implied probabilities. The API supports both HTTP and WebSocket/SSE delivery, with live sub-second odds updates and tier-aware coalescing for higher subscription levels. Historical odds archives date back to 1999 for NFL, 2017 for NBA, 2014 for NCAAF, and 2005 for 22 soccer leagues, with cross-source verification for backtesting.
Developers can interact with ParlayAPI using any programming language, with code examples provided for cURL, Python, and JavaScript. The service is positioned as affordable, with a free tier offering 1,000 credits per month, 48 hours of historical data, and access to all sports and markets without requiring a credit card. Paid plans range from $5 to $200 per month, scaling credits, historical data access, WebSocket streaming capabilities, and support levels. The Business, Enterprise, and Scale tiers introduce enhanced features such as prediction markets, dedicated support, and raw WebSocket streams with varying coalescence intervals. No rate limits are imposed on paid plans.
json. The platform also provides daily auto-generated breakdowns and a durable archive for replaying historical line movements, supporting advanced analysis and value-hunting strategies in sportsbook markets.
parlay-api sits in PulseGate's API design, testing & docs category. Providing developers with an easy way to access sports betting odds and prediction markets programmatically. parlay-api is an open-source project aimed at developers building sports betting or analytics apps. The project is open source (MIT). It runs on the web, the command line, and API.
Behind parlay-api is JacobiusMakes, and the product first shipped in 2026. The project is developed in the open on GitHub with 2 commits in the last 90 days. Among its 5 catalogued features are sports odds API, player props, and prediction markets. It exposes integrations via a public API.
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