Search, filter, and sort prediction markets across exchanges
Search, filter, and sort prediction markets across exchanges.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
276 msmedian answer time
$0.001listed price per call
$0.001price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.predictionmarketdata.io/prediction-markets
| Category | Search and research |
|---|---|
| Provider host | api.predictionmarketdata.io |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 8 from 6 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.001 | 276 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"limit": "10",
"search": "trump",
"status": "Open"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$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"
}