{"slug":"2s-io-api-predict-sports-ff28a8","title":"Sports prediction markets across Polymarket and Kalshi in one call — game lines,","host":"2s.io","method":"GET","resource":"https://2s.io/api/predict/sports","category":"market","description":"Sports prediction markets across Polymarket and Kalshi in one call — game lines, futures, and props (NFL/NBA/MLB/NHL/soccer/tennis/etc). Optionally narrow with league (a tag/category keyword, e.g. nfl, soccer, world-cup) and cap with limit. Each hit is tagged with its venue and returns the question,","price_listed":0.012,"price_asked":0.012,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":233,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"league":"example","limit":1},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"const":"GET"},"queryParams":{"additionalProperties":false,"properties":{"league":{"description":"League/category keyword (e.g. nfl, nba, soccer, world-cup).","maxLength":60,"type":"string"},"limit":{"description":"Max results per venue (default 20).","maximum":100,"minimum":1,"type":"integer"}},"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":233,"error":null}],"description_full":"Sports prediction markets across Polymarket and Kalshi in one call — game lines, futures, and props (NFL/NBA/MLB/NHL/soccer/tennis/etc). Optionally narrow with league (a tag/category keyword, e.g. nfl, soccer, world-cup) and cap with limit. Each hit is tagged with its venue and returns the question, live YES/NO price (implied probability), USD volume, close date, and the venue URL. Read-only, keyless.","last_updated":"2026-09-09T21:16:32.264Z","schemes":["exact"]}