Search, filter, and sort prediction markets across exchanges
Search, filter, and sort prediction markets across exchanges.
1000 (raw units)
price
8
calls / 30d
6
unique payers
2026-09-08
updated
Provider
api.predictionmarketdata.io · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x995c0abdcd2ad76548e5f7deb54d32549b2b781f",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": "10",
"search": "trump",
"status": "Open"
},
"type": "http"
},
"output": {
"example": {
"pagination": {
"hasMore": true,
"limit": 2,
"nextOffset": 2,
"offset": 0,
"total": 30834
},
"predictionMarkets": [
{
"end_ts": "2026-06-23T00:30:00Z",
"entity_code": "KALSHI",
"entity_event_category": "Sports",
"event_name": "Game 3: San Antonio at New York",
"event_outcome_type": "Multi",
"event_outcomes": [
{
"market_id": "KXNBAGAME-26JUN08SASNYK-NYK_yes.KALSHI",
"outcome_name": "New York",
"percentage": 0.54,
"status": "Open",
"volume": 7872349.97
}
],
"event_ticker": "KXNBAGAME-26JUN08SASNYK.KALSHI",
"is_series": true,
"pmcs_categories": [
"SPT",
"BSKTBL",
"NBA"
]
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"entity_code": {
"description": "Exchange filter. Common: KALSHI, POLYMARK, GMNI.",
"type": "string"
},
"event_ticker": {
"description": "Exact event identifier (from a prior /prediction-markets response).",
"type": "string"
},
"limit": {
"description": "Maximum number of events to return.",
"type": "string"
},
"offset": {
"description": "Zero-based pagination offset.",
"type": "string"
},
"open_interest_max": {
"description": "Maximum open interest (USD).",
"type": "string"
},
"open_interest_min": {
"description": "Minimum open interest (USD).",
"type": "string"
},
"outcome_type": {
"description": "Outcome model. Common: Binary, Multi.",
"type": "string"
},
"pmcs_category": {
"description": "Top-level PMCS category code from /prediction-markets/taxonomy.",
"type": "string"
},
"pmcs_supersector": {
"description": "PMCS supersector code from /prediction-markets/taxonomy.",
"type": "string"
},
"queryCriteria": {
"description": "Legacy advanced query field; prefer search.",
"type": "string"
},
"search": {
"description": "Free-text query across market and event names.",
"type": "string"
},
"searchString": {
"description": "Legacy alias for search; prefer search.",
"type": "string"
},
"sort_by": {
"description": "Sort key, e.g. total_volume_24hr, total_open_interest_usd, end_ts.",
"type": "string"
},
"sort_dir": {
"description": "Sort direction: asc or desc.",
"type": "string"
},
"status": {
"description": "Market status. Open is the safest default.",
"type": "string"
},
"trade_count_max": {
"description": "Maximum trade count.",
"type": "string"
},
"trade_count_min": {
"description": "Minimum trade count.",
"type": "string"
},
"volume_1hr_max": {
"description": "Maximum 1-hour volume filter.",
"type": "string"
},
"volume_1hr_min": {
"description": "Minimum 1-hour volume filter.",
"type": "string"
},
"volume_max": {
"description": "Maximum total volume filter.",
"type": "string"
},
"volume_min": {
"description": "Minimum total volume filter.",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://api.predictionmarketdata.io/prediction-markets" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://api.predictionmarketdata.io/prediction-markets");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://api.predictionmarketdata.io/prediction-markets")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/4472.json, and this resource appears in /discovery/resources and /discovery/search.