Event: market_created
Endpoint: wss://api.struct.to/ws/alerts
Cost: 0.1 credits per event
Get notified when a new prediction market is detected on-chain. Optionally filter by event slugs, tags, or exclude short-term markets.
Filters
| Filter | Type | Required | Description |
|---|
event_slugs | string[] | No | Restrict to specific events (max 500) |
tags | string[] | No | Filter by market tags or category (max 500) |
exclude_shortterm_markets | boolean | No | Exclude short-term markets from results |
Subscribe
{
"op": "subscribe",
"event": "market_created",
"tags": ["politics", "crypto"]
}
Response
{
"event": "market_created",
"timestamp": 1775913505260,
"data": {
"condition_id": "0x1234567890abcdef",
"market_slug": "will-candidate-x-win",
"event_slug": "us-presidential-election-2028",
"event_id": "evt_abc123",
"event_title": "US Presidential Election 2028",
"series_slug": "us-elections",
"outcomes": [
{ "index": 0, "name": "Yes", "position_id": "0xpos1" },
{ "index": 1, "name": "No", "position_id": "0xpos2" }
],
"question": "Will candidate X win the 2028 election?",
"title": "Candidate X Wins 2028 Election",
"description": "Resolves Yes if candidate X wins the 2028 US presidential election.",
"category": "Politics",
"tags": ["politics", "elections"],
"image_url": "https://example.com/image.png",
"neg_risk": false
}
}