{"slug": "polymarket", "name": "Polymarket", "type": "exchange", "description": "Prediction market exchange whose public Gamma API lists markets and events, including sports, without credentials; separate trading APIs and SDKs exist.", "website": "https://polymarket.com", "country": "United States", "sports": ["multi"], "data_types": ["betting-trading", "fixtures", "odds"], "protocols": ["rest"], "free_tier": true, "trial_days": null, "demo": null, "contact_sales_only": false, "min_price": null, "plans_count": 1, "commercial_use": null, "betting_use": null, "redistribution": null, "rights_basis": null, "customer_types": [], "live_in_play": null, "sentiment": "positive", "discussions": 52, "github_repos": 4540, "priority": 1.0, "logo": null, "logo_tone": null, "docs_url": "https://docs.polymarket.com/", "pricing_url": null, "status_page_url": null, "founded_year": null, "product": {"name": "Polymarket Gamma API", "formats": ["json"], "auth_methods": ["none"], "sdk_languages": [], "openapi_url": null, "history_depth": null, "update_frequency": null, "claimed_latency_ms": null}, "plans": [{"name": "Public read APIs", "price": 0.0, "currency": null, "period": "month", "request_limit": null, "request_period": null, "is_free": true, "is_enterprise": false, "summary": "Gamma market data readable without keys; trading requires wallet auth", "source_url": "https://docs.polymarket.com/", "verified_at": "2026-11-03"}], "access": {"restricted_countries": null, "available_only_in": null, "customer_types": null, "kyc_required": null, "odds_regions": null, "bookmakers_count": null, "notes": null, "source_url": null}, "usage_rights": {"commercial_use": null, "betting_use": null, "redistribution": null, "storage": null, "attribution_required": null, "media_included": null, "terms_url": null, "source_url": null, "basis": null}, "data_source": {"official_partners": [], "collection_methods": null, "source_url": null}, "support": {"sla_uptime": null, "channels": null, "sandbox": null, "changelog_url": null, "certifications": [], "payment_methods": null, "min_contract": null, "source_url": null}, "coverage": {"competitions_count": null, "key_leagues": null, "womens": null, "live_in_play": null, "markets": null, "languages": null, "id_mapping": null, "source_url": null}, "community": {"summary": "Widely used as a free, no-key source of prediction-market prices (Gamma and CLOB APIs) for sports arbitrage bots, wallet trackers and odds aggregators, with many GitHub clients and MCP servers. Users note thin or missing historical data and the need to match events across Kalshi and sportsbooks; live-score speed is a concern.", "sentiment": "positive", "topics": ["coverage", "data_quality", "alternatives", "docs"], "pros": ["Public market data without credentials", "Large ecosystem of SDKs and bots", "Useful sharp-price signal versus sportsbooks", "Many tutorials for Python access"], "cons": ["Historical data hard to find, especially before 2024", "Manual cross-venue event matching", "Not a live-score source"], "evidence": ["https://www.reddit.com/r/algobetting/comments/1r5rq9k/", "https://www.reddit.com/r/algobetting/comments/1x8o9s1/", "https://news.ycombinator.com/item?id=48461523", "https://github.com/caiovicentino/polymarket-mcp-server", "https://www.reddit.com/r/algobetting/comments/1jhl9uo/"]}, "discussions_list": [{"platform": "reddit", "title": "Built a drop-in replacement for the-odds-api with prediction market data with free tier if anyone wants to try it", "url": "https://www.reddit.com/r/algobetting/comments/1scvcii/", "date": "2026-04-05", "score": 14.0, "where": "r/algobetting"}, {"platform": "reddit", "title": "I run an odds API. Tell me the one market or book you can't get anywhere, and I'll try to ship it this week", "url": "https://www.reddit.com/r/algobetting/comments/1x7s54a/", "date": "2026-10-16", "score": 11.0, "where": "r/algobetting"}, {"platform": "reddit", "title": "Prediction Market Arbitrage Bot for Kalshi + Polymarket: 160 alpha users, 9 releases, and what broke", "url": "https://www.reddit.com/r/SideProject/comments/1sotwje/", "date": "2026-04-18", "score": 9.0, "where": "r/SideProject"}, {"platform": "reddit", "title": "Does anyone else feel like in-game execution on sports prediction markets is missing conditional triggers?", "url": "https://www.reddit.com/r/algobetting/comments/1wzm1jx/", "date": "2026-10-07", "score": 7.0, "where": "r/algobetting"}, {"platform": "reddit", "title": "Post-Mortem: Trading the World Cup on Polymarket (Custom API execution, Liquidity Farming, & Strategy Breakdown)", "url": "https://www.reddit.com/r/algobetting/comments/1v9t7od/", "date": "2026-07-29", "score": 6.0, "where": "r/algobetting"}, {"platform": "reddit", "title": "Real-time score fetching", "url": "https://www.reddit.com/r/algobetting/comments/1jhl9uo/", "date": "2025-03-22", "score": 5.0, "where": "r/algobetting"}, {"platform": "reddit", "title": "15% ROI bettor on the Clippers game to go under. Breakdown in caption:", "url": "https://www.reddit.com/r/sportsbetting/comments/1rtzt4w/", "date": "2026-03-15", "score": 5.0, "where": "r/sportsbetting"}, {"platform": "reddit", "title": "I built the all-in-one platform for tracking sharp money. Here's how it works:", "url": "https://www.reddit.com/r/sportsbetting/comments/1rv9l3n/", "date": "2026-03-16", "score": 3.0, "where": "r/sportsbetting"}, {"platform": "reddit", "title": "I built 2 APIs on my VPS and listed them on RapidAPI", "url": "https://www.reddit.com/r/SideProject/comments/1rsm39t/", "date": "2026-03-13", "score": 3.0, "where": "r/SideProject"}, {"platform": "reddit", "title": "Built a free arb/surebet scanner covering 20+ books: matching events, spotting skins and de-vigging. Looking to compare notes", "url": "https://www.reddit.com/r/algobetting/comments/1xl7zb3/", "date": "2026-11-01", "score": 3.0, "where": "r/algobetting"}, {"platform": "reddit", "title": "Building an automated +EV betting bot for ProphetX: is this worth pursuing, or am I missing something?", "url": "https://www.reddit.com/r/algobetting/comments/1x75ukm/", "date": "2026-10-16", "score": 3.0, "where": "r/algobetting"}, {"platform": "reddit", "title": "Here's how I find sharp bets like this one before the game happens:", "url": "https://www.reddit.com/r/sportsbetting/comments/1qhh1tz/", "date": "2026-01-19", "score": 3.0, "where": "r/sportsbetting"}], "repos": [{"platform": "github", "title": "caiovicentino/polymarket-mcp-server", "url": "https://github.com/caiovicentino/polymarket-mcp-server", "date": "2026-09-20", "score": 736.0, "where": null}, {"platform": "github", "title": "lihanyu81/polymarket_lp_tool", "url": "https://github.com/lihanyu81/polymarket_lp_tool", "date": "2026-05-06", "score": 617.0, "where": null}, {"platform": "github", "title": "Ashutosh0x/rust-finance", "url": "https://github.com/Ashutosh0x/rust-finance", "date": "2026-08-21", "score": 420.0, "where": null}, {"platform": "github", "title": "BlockRunAI/blockrun-mcp", "url": "https://github.com/BlockRunAI/blockrun-mcp", "date": "2026-11-03", "score": 391.0, "where": null}, {"platform": "github", "title": "chainstacklabs/polyclaw", "url": "https://github.com/chainstacklabs/polyclaw", "date": "2026-04-28", "score": 359.0, "where": null}, {"platform": "github", "title": "livetennisapi/polymarket-tennis", "url": "https://github.com/livetennisapi/polymarket-tennis", "date": "2026-10-26", "score": 261.0, "where": null}], "videos": [{"title": "Polymarket's Best Traders Keep Winning. So I Copied Them.", "url": "https://www.youtube.com/watch?v=ltRhScHzdB4", "channel": "Algovibes", "date": "2026-10-15"}, {"title": "How to Get Polymarket API Key (Step-by-Step Guide)", "url": "https://www.youtube.com/watch?v=QgYjovRtCiQ", "channel": "Guidr", "date": "2026-09-10"}, {"title": "Polymarket SDK & API Explained in 7 Minutes", "url": "https://www.youtube.com/watch?v=W6hU0zxw624", "channel": "Code & Nice", "date": "2026-08-19"}, {"title": "How To Get API Key From Polymarket! - Tutorial", "url": "https://www.youtube.com/watch?v=NECWGV-UTc4", "channel": "HowToNow", "date": "2026-08-09"}, {"title": "Setting up and Interacting with the Polymarket CLOB API", "url": "https://www.youtube.com/watch?v=lVqF8oLzVAU", "channel": "wangr", "date": "2026-02-04"}, {"title": "Getting to know the Polymarket API", "url": "https://www.youtube.com/watch?v=9t2F7oQQkpA", "channel": "wangr", "date": "2026-01-30"}], "notes": "Docs page fetched showed only a Gamma example and public SDK clients; sports endpoints, WebSocket and rate limits come from the batch note and are unverified. Not sports-only.", "checked_at": "2026-11-03", "alternatives": ["matchbook", "smarkets", "betdaq", "sx-bet", "betfair"], "fit": {"best_for": "Developers wanting free public market and event data, including sports, from a prediction market exchange without credentials.", "not_for": "Sports-only data needs or bookmaker odds; it is a prediction exchange and sports endpoints and rate limits were not verified.", "use_cases": ["Prediction market tracking", "Sports event probability displays"], "limitations": ["Not sports-only", "Sports endpoints and rate limits unverified", "Trading uses separate APIs"], "source_urls": ["https://docs.polymarket.com/"]}, "score": {"overall": 67, "popularity": 61, "community": 88, "transparency": 65, "developer": 54, "confidence": "high", "reliability_flags": [], "rank": 6}}