GET /v1/events[ { "slug": "which-party-will-win-the-house-in-2026", "title": "Which party will win the House in 2026?", "description": "…", "image": "https://…", "icon": "https://…", "tags": [{ "slug": "politics", "label": "Politics" }], "endDateMs": 217987200000, "venueVolume24h": 1250000.5, "markets": [ { "slug": "democrats-house", "label": "Democratic Party", "question": "Will the Democratic Party win the House in 2026?", "image": "https://…", "endDateMs": 217987200000, "venueYesToken": "8324…", "venueMid": 742000, "venueChange24h": 0.012, "underlyingKey": 1 } ] } ]
underlyingKey is null for an outcome the exchange does not list. For one it
lists, venueMid is the exchange's latest reference price, in micros. endDateMs
is engine milliseconds.