Search across all markets from all four exchanges (Kalshi, Polymarket, Limitless, Predict.fun) by title or question. Returns up to 250 results per exchange (1,000 total), ranked by relevance.
The search queries the full market database — not just a cached subset — so every market across all exchanges is searchable.
Example Queries:
bitcoin - Find Bitcoin-related markets across all exchangeselection 2026 - Find election marketsfed rate - Find Federal Reserve interest rate marketssuper bowl - Find sports marketsFiltering:
Combine search with category filter:
GET /api/v1/events/search?q=bitcoin&category=CryptoX-API-Key: YOUR_API_KEYResponse:
Each result includes:
kalshi, poly, limitless, pfun)klsi_id or poly_id for their respective exchanges)Available Categories:
Climate and Weather, Companies, Crypto, Economics, Elections, Entertainment, Financials, Politics, Science and Technology, Sports, and more.
GET /api/v1/events/search?q=bitcoinX-API-Key: YOUR_API_KEYYour API key (get one from the test-key endpoint above)
Search query (min 2 characters)
2Filter by category (e.g., Crypto, Politics, Sports)
Array of search results from all exchanges
Exchange identifier
kalshi, poly, limitless, pfun Market identifier
Kalshi market ID (present for Kalshi results)
Polymarket condition ID (present for Polymarket results)
Market title or question
Market category