{"slug":"netintel-dev-prediction-markets-72d357","title":"Live prediction-market odds from Polymarket — list the top active markets by vol","host":"netintel.dev","method":"GET","resource":"https://netintel.dev/prediction/markets","category":"market","description":"Live prediction-market odds from Polymarket — list the top active markets by volume, or search by keyword. Each result has the question, outcomes with current prices (implied probabilities), 24h/total volume, liquidity, and resolution date. No API key. Great for agents tracking real-world event prob","price_listed":0.005,"price_asked":0.005,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":944,"reported_calls_30d":2,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"limit":2,"query":"bitcoin"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"limit":{"description":"Max markets to return, 1..50 (default 20). Aliases: count, n","type":"number"},"query":{"description":"Keyword search, e.g. \"election\" or \"bitcoin\". Aliases: q, search, keyword. Omit to list the top active markets by volume","type":"string"},"status":{"description":"active (default), closed, or all. Alias: state","type":"string"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"cache_age_seconds":{"description":"0 = fresh; results are cached up to 60s per query","type":"number"},"count":{"type":"number"},"findings":{"description":"no_results, limit_clamped, invalid_status, outcomes_unparseable","type":"array"},"markets":{"description":"in upstream order — browse: volume desc; search: relevance","items":{"properties":{"active":{"type":"boolean"},"category":{"type":["string","null"]},"closed":{"description":"true once resolved/closed (active may still be true)","type":"boolean"},"end_date":{"description":"ISO 8601 resolution/close date","type":["string","null"]},"id":{"type":"string"},"liquidity_usd":{"type":["number","null"]},"outcomes":{"description":"each {outcome, price}; price is the IMPLIED PROBABILITY 0..1 (0.55 = 55% chance), i.e. the current share price in USD","type":"array"},"question":{"type":"string"},"slug":{"type":["string","null"]},"url":{"type":["string","null"]},"volume_24h_usd":{"type":["number","null"]},"volume_usd":{"description":"lifetime traded volume","type":"number"}},"type":"object"},"type":"array"},"query":{"description":"echoed keyword; null when browsing top markets","type":["string","null"]},"source":{"type":"string"},"status":{"description":"effective filter: active, closed, or all","type":"string"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.005,"price_match":true,"latency_ms":944,"error":null}],"description_full":"Live prediction-market odds from Polymarket — list the top active markets by volume, or search by keyword. Each result has the question, outcomes with current prices (implied probabilities), 24h/total volume, liquidity, and resolution date. No API key. Great for agents tracking real-world event probabilities (elections, crypto, sports, econ). Pass params as query (GET) or a JSON body (POST).","last_updated":"2026-09-01T02:37:37.125Z","schemes":["exact"]}