{"slug":"2s-io-api-predict-search-253919","title":"Cross-venue prediction-market keyword search across Polymarket, Kalshi, and Limi","host":"2s.io","method":"GET","resource":"https://2s.io/api/predict/search","category":"market","description":"Cross-venue prediction-market keyword search across Polymarket, Kalshi, and Limitless Exchange in one call. Pass q (required); filter by status (open/closed) and cap per-venue with limit. Each hit is tagged with its venue and returns the question, live YES/NO price (0-1 implied probability), USD vol","price_listed":0.012,"price_asked":0.012,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":252,"reported_calls_30d":28,"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":1,"q":"xx","status":"open"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"const":"GET"},"queryParams":{"additionalProperties":false,"properties":{"limit":{"description":"Max results per venue (default 15).","maximum":50,"minimum":1,"type":"integer"},"q":{"description":"Keyword(s) to search market questions for.","maxLength":120,"minLength":2,"type":"string"},"status":{"description":"Filter by market status.","enum":["open","closed"],"type":"string"}},"required":["q"],"type":"object"},"type":{"const":"http"}},"required":["type","method","queryParams"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.012,"price_match":true,"latency_ms":252,"error":null}],"description_full":"Cross-venue prediction-market keyword search across Polymarket, Kalshi, and Limitless Exchange in one call. Pass q (required); filter by status (open/closed) and cap per-venue with limit. Each hit is tagged with its venue and returns the question, live YES/NO price (0-1 implied probability), USD volume, close date, and the venue URL — for finding the same real-world question wherever it trades. Read-only, keyless.","last_updated":"2026-09-24T07:05:39.322Z","schemes":["exact"]}