{"name":"markets","description":"Lists and searches Polymarket prediction markets, backed by gamma-api public market data under an exact buyer-demand slug. Filter active/closed markets by query, category, tag, liquidity, sort order, limit, and offset. Returns questions, slugs, outcomes, implied prices, liquidity, volume, and URLs. Data-only; no trading or order routing. Use it as a markets API or prediction markets list and search.","price":"$0.005","method":"POST","input_schema":{"properties":{"query":{"type":"string","description":"Free-text filter applied to question, description, and slug."},"category":{"type":"string","description":"Filter by Polymarket category substring."},"tag":{"type":"string","description":"Polymarket tag slug filter."},"active":{"type":"boolean","description":"Default true."},"closed":{"type":"boolean","description":"Default false."},"limit":{"type":"number","description":"1-100. Default 20."},"offset":{"type":"number","description":"Pagination offset."},"order":{"type":"string","enum":["volume24hr","liquidity","endDate","startDate"],"description":"Sort field: 'volume24hr', 'liquidity', 'endDate', or 'startDate'. Omit for default gamma-api order."},"ascending":{"type":"boolean","description":"Sort direction when order is set. Default false (descending)."},"min_liquidity":{"type":"number","description":"Minimum liquidity in USD."}}},"input_example":{"query":"election","active":true,"closed":false,"limit":20},"output_example":{"markets":[{"question":"Will X happen?","outcome_prices":[0.42,0.58]}],"count":20,"attribution":"Data: Polymarket gamma-api. https://polymarket.com"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}