{
"openapi": "3.0.1",
"info": {
"title": "Prediction Market Data Suite (Polymarket + Kalshi)",
"description": "Unified, normalized prediction-market data from Polymarket and Kalshi: market listings, live prices, orderbooks, recent trades and official resolutions in one cross-platform schema. No auth required.",
"version": "0.1",
"x-build-id": "Ju219Pe3F7Wsn8wee"
},
"servers": [
{
"url": "https://api.apify.com/v2"
}
],
"paths": {
"/acts/ichigowa~prediction-market-data-suite/run-sync-get-dataset-items": {
"post": {
"operationId": "run-sync-get-dataset-items-ichigowa-prediction-market-data-suite",
"x-openai-isConsequential": false,
"summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.",
"tags": [
"Run Actor"
],
"requestBody": {
"required": true,
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/inputSchema"
}
}
}
},
"parameters": [
{
"name": "token",
"in": "query",
"required": true,
"schema": {
"type": "string"
},
"description": "Enter your Apify token here"
}
],
"responses": {
"200": {
"description": "OK"
}
}
}
},
"/acts/ichigowa~prediction-market-data-suite/runs": {
"post": {
"operationId": "runs-sync-ichigowa-prediction-market-data-suite",
"x-openai-isConsequential": false,
"summary": "Executes an Actor and returns information about the initiated run in response.",
"tags": [
"Run Actor"
],
"requestBody": {
"required": true,
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/inputSchema"
}
}
}
},
"parameters": [
{
"name": "token",
"in": "query",
"required": true,
"schema": {
"type": "string"
},
"description": "Enter your Apify token here"
}
],
"responses": {
"200": {
"description": "OK",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/runsResponseSchema"
}
}
}
}
}
}
},
"/acts/ichigowa~prediction-market-data-suite/run-sync": {
"post": {
"operationId": "run-sync-ichigowa-prediction-market-data-suite",
"x-openai-isConsequential": false,
"summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.",
"tags": [
"Run Actor"
],
"requestBody": {
"required": true,
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/inputSchema"
}
}
}
},
"parameters": [
{
"name": "token",
"in": "query",
"required": true,
"schema": {
"type": "string"
},
"description": "Enter your Apify token here"
}
],
"responses": {
"200": {
"description": "OK"
}
}
}
}
},
"components": {
"schemas": {
"inputSchema": {
"type": "object",
"properties": {
"mode": {
"title": "Mode",
"enum": [
"markets",
"orderbook",
"trades",
"resolutions"
],
"type": "string",
"description": "What to fetch. markets: normalized market listings with current prices (default). orderbook: bid/ask depth for specific markets (provide marketIds). trades: recent trades for specific markets (provide marketIds). resolutions: settled markets with their official outcomes.",
"default": "markets"
},
"platforms": {
"title": "Platforms",
"type": "array",
"description": "Which platforms to query. Used by markets and resolutions modes (orderbook/trades modes infer the platform from each market ID).",
"items": {
"type": "string",
"enum": [
"polymarket",
"kalshi"
],
"enumTitles": [
"Polymarket",
"Kalshi"
]
},
"default": [
"polymarket",
"kalshi"
]
},
"keyword": {
"title": "Keyword filter",
"type": "string",
"description": "Case-insensitive substring filter applied to the market question/title, slug and ticker (markets & resolutions modes). Example: bitcoin."
},
"status": {
"title": "Market status",
"enum": [
"active",
"closed",
"settled"
],
"type": "string",
"description": "Filter for markets mode. active = currently tradable, closed = trading ended (may or may not be resolved yet), settled = officially resolved. The resolutions mode always uses settled markets.",
"default": "active"
},
"maxResults": {
"title": "Max results per platform",
"minimum": 1,
"maximum": 10000,
"type": "integer",
"description": "Maximum number of markets returned per platform (markets & resolutions modes). Pagination (Gamma offset / Kalshi cursor) is handled automatically.",
"default": 200
},
"marketIds": {
"title": "Market IDs",
"type": "array",
"description": "For orderbook and trades modes. Mixed list, auto-detected by format: Polymarket CLOB token IDs (long numeric strings, orderbook), Polymarket condition IDs (0x…, trades/orderbook) or Kalshi tickers (e.g. KXHIGHNY-26JUL22-T91). If empty, the actor auto-discovers one liquid market per platform as a demo.",
"default": [],
"items": {
"type": "string"
}
},
"limit": {
"title": "Rows per market (trades mode)",
"minimum": 1,
"maximum": 1000,
"type": "integer",
"description": "Maximum number of recent trades fetched per market in trades mode.",
"default": 100
},
"kalshiExcludeMultivariate": {
"title": "Exclude Kalshi multivariate combo markets",
"type": "boolean",
"description": "Kalshi's market list contains thousands of auto-generated multivariate parlay combinations (MVE) with little or no liquidity. Keep this on to return only regular markets.",
"default": true
}
}
},
"runsResponseSchema": {
"type": "object",
"properties": {
"data": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"actId": {
"type": "string"
},
"userId": {
"type": "string"
},
"startedAt": {
"type": "string",
"format": "date-time",
"example": "2025-01-08T00:00:00.000Z"
},
"finishedAt": {
"type": "string",
"format": "date-time",
"example": "2025-01-08T00:00:00.000Z"
},
"status": {
"type": "string",
"example": "READY"
},
"meta": {
"type": "object",
"properties": {
"origin": {
"type": "string",
"example": "API"
},
"userAgent": {
"type": "string"
}
}
},
"stats": {
"type": "object",
"properties": {
"inputBodyLen": {
"type": "integer",
"example": 2000
},
"rebootCount": {
"type": "integer",
"example": 0
},
"restartCount": {
"type": "integer",
"example": 0
},
"resurrectCount": {
"type": "integer",
"example": 0
},
"computeUnits": {
"type": "integer",
"example": 0
}
}
},
"options": {
"type": "object",
"properties": {
"build": {
"type": "string",
"example": "latest"
},
"timeoutSecs": {
"type": "integer",
"example": 300
},
"memoryMbytes": {
"type": "integer",
"example": 1024
},
"diskMbytes": {
"type": "integer",
"example": 2048
}
}
},
"buildId": {
"type": "string"
},
"defaultKeyValueStoreId": {
"type": "string"
},
"defaultDatasetId": {
"type": "string"
},
"defaultRequestQueueId": {
"type": "string"
},
"buildNumber": {
"type": "string",
"example": "1.0.0"
},
"containerUrl": {
"type": "string"
},
"usage": {
"type": "object",
"properties": {
"ACTOR_COMPUTE_UNITS": {
"type": "integer",
"example": 0
},
"DATASET_READS": {
"type": "integer",
"example": 0
},
"DATASET_WRITES": {
"type": "integer",
"example": 0
},
"KEY_VALUE_STORE_READS": {
"type": "integer",
"example": 0
},
"KEY_VALUE_STORE_WRITES": {
"type": "integer",
"example": 1
},
"KEY_VALUE_STORE_LISTS": {
"type": "integer",
"example": 0
},
"REQUEST_QUEUE_READS": {
"type": "integer",
"example": 0
},
"REQUEST_QUEUE_WRITES": {
"type": "integer",
"example": 0
},
"DATA_TRANSFER_INTERNAL_GBYTES": {
"type": "integer",
"example": 0
},
"DATA_TRANSFER_EXTERNAL_GBYTES": {
"type": "integer",
"example": 0
},
"PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
"type": "integer",
"example": 0
},
"PROXY_SERPS": {
"type": "integer",
"example": 0
}
}
},
"usageTotalUsd": {
"type": "number",
"example": 0.00005
},
"usageUsd": {
"type": "object",
"properties": {
"ACTOR_COMPUTE_UNITS": {
"type": "integer",
"example": 0
},
"DATASET_READS": {
"type": "integer",
"example": 0
},
"DATASET_WRITES": {
"type": "integer",
"example": 0
},
"KEY_VALUE_STORE_READS": {
"type": "integer",
"example": 0
},
"KEY_VALUE_STORE_WRITES": {
"type": "number",
"example": 0.00005
},
"KEY_VALUE_STORE_LISTS": {
"type": "integer",
"example": 0
},
"REQUEST_QUEUE_READS": {
"type": "integer",
"example": 0
},
"REQUEST_QUEUE_WRITES": {
"type": "integer",
"example": 0
},
"DATA_TRANSFER_INTERNAL_GBYTES": {
"type": "integer",
"example": 0
},
"DATA_TRANSFER_EXTERNAL_GBYTES": {
"type": "integer",
"example": 0
},
"PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
"type": "integer",
"example": 0
},
"PROXY_SERPS": {
"type": "integer",
"example": 0
}
}
}
}
}
}
}
}
}
}