Market Disputed

Event: market_disputed
Endpoint: wss://api.struct.to/ws/alerts
Cost: 0.1 credits per event

Get notified when a proposed market resolution is challenged on-chain (DisputePrice or AssertionDisputed). The resolution is now contested and delayed. The payload carries the disputer, the proposer, and the disputed or proposed outcome when available.

Filters

Filter	Type	Required	Description
`condition_ids`	string[]	No	Restrict to specific conditions (max 500)
`event_slugs`	string[]	No	Restrict to specific events (max 500)
`exclude_shortterm_markets`	boolean	No	Exclude short-term `updown` markets from results

{
  "op": "subscribe",
  "event": "market_disputed",
  "exclude_shortterm_markets": true
}

Response

{
  "event": "market_disputed",
  "timestamp": 1775913505260,
  "data": {
    "condition_id": "0x4fec624c0ff2bfae89956cebd6fbc9c58f995f824382dc587dc5a32a4b15940b",
    "dispute_kind": "dispute_price",
    "disputer": "0x4bfb41d5b3570defd03c39a9a4d8de6bd8b8982e",
    "proposer": "0x9d84cef98b41a5b88dafb55c05e9a7e0f1a4f4d6",
    "proposed_outcome": "Yes",
    "proposed_price": 1.0,
    "question": "Will candidate X win the 2028 election?",
    "market_slug": "will-candidate-x-win",
    "event_slug": "us-presidential-election-2028",
    "image_url": "https://polymarket-upload.s3.us-east-2.amazonaws.com/will-candidate-x-win.png",
    "hash": "0x1f2e3d4c5b6a7988deadbeefcafebabe0011223344556677889900aabbccddee",
    "block": 19456789,
    "confirmed_at": 1713012000
  }
}

dispute_kind is either dispute_price or assertion_disputed. proposed_price is present only for DisputePrice disputes. Pair this with market_resolved to follow a market from contested back to final.

Last modified on July 13, 2026

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