{ "openapi": "3.0.1", "info": { "title": "Prediction Market Price History - Kalshi & Polymarket", "description": "Historical price series for any Kalshi or Polymarket market, both exchanges normalized to one schema. OHLC candles, tick prices, and a per-market summary row so you can find the markets that moved before paying for their full history. No API keys.", "version": "0.0", "x-build-id": "P5qbZi2YbxPKTZSuS" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/yawning_manuscript~prediction-market-price-history/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-yawning_manuscript-prediction-market-price-history", "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": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } }, "/acts/yawning_manuscript~prediction-market-price-history/runs": { "post": { "operationId": "runs-sync-yawning_manuscript-prediction-market-price-history", "x-openai-isConsequential": false, "summary": "Executes an Actor and returns information about the initiated run in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": { "$ref": "#/components/schemas/runsResponseSchema" } } } } } } }, "/acts/yawning_manuscript~prediction-market-price-history/run-sync": { "post": { "operationId": "run-sync-yawning_manuscript-prediction-market-price-history", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": { "search": { "title": "Search terms", "type": "array", "description": "Find markets whose question contains one of these, then pull history for each, e.g. \"temperature\", \"fed\", \"election\". Leave empty if you are giving exact tickers below.", "items": { "type": "string" } }, "exchanges": { "title": "Exchanges", "type": "array", "description": "Which exchanges to search when discovering markets.", "items": { "type": "string", "enum": [ "kalshi", "polymarket" ], "enumTitles": [ "Kalshi", "Polymarket" ] }, "default": [ "kalshi", "polymarket" ] }, "kalshiTickers": { "title": "Kalshi tickers (exact)", "type": "array", "description": "Full market tickers, e.g. KXHIGHNY-26SEP07-B79.5. Overrides search when set.", "items": { "type": "string" } }, "polymarketTokenIds": { "title": "Polymarket CLOB token ids (exact)", "type": "array", "description": "The Yes-leg token id of a market. Overrides search when set.", "items": { "type": "string" } }, "kalshiSeriesTicker": { "title": "Kalshi series (optional)", "type": "string", "description": "Restrict discovery to one series, e.g. KXHIGHNY for New York daily high temperature." }, "status": { "title": "Market status", "enum": [ "any", "open", "closed", "settled" ], "type": "string", "description": "Settled markets are what you want for backtesting - you know how they resolved.", "default": "any" }, "historyDays": { "title": "Days of history", "minimum": 1, "maximum": 3650, "type": "integer", "description": "Counting back from the end date.", "default": 30 }, "startDate": { "title": "Start date", "type": "string", "description": "YYYY-MM-DD. Overrides Days of history." }, "endDate": { "title": "End date", "type": "string", "description": "YYYY-MM-DD. Defaults to now." }, "granularityMinutes": { "title": "Granularity", "enum": [ "1", "5", "15", "60", "240", "1440" ], "type": "string", "description": "Minutes per data point. 60 = hourly, 1440 = daily. Finer granularity means more rows and more cost.", "default": "60" }, "maxMarkets": { "title": "Max markets", "minimum": 1, "maximum": 500, "type": "integer", "description": "How many markets to pull history for.", "default": 25 }, "maxPointsPerMarket": { "title": "Max points per market", "minimum": 1, "maximum": 100000, "type": "integer", "description": "Cost ceiling per market. Points are billed individually.", "default": 1000 }, "includePricePoints": { "title": "Return every price point", "type": "boolean", "description": "Turn off to get only the per-market summary rows - a cheap way to find which markets moved before paying for their full series.", "default": true }, "includeSummary": { "title": "Return per-market summary", "type": "boolean", "description": "One row per market: first, last, min, max, range and change. Sorted widest range first.", "default": true }, "concurrency": { "title": "Parallel requests", "minimum": 1, "maximum": 10, "type": "integer", "description": "How many markets to fetch history for at the same time. Lower it if the exchange rate-limits you.", "default": 4 } } }, "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 } } } } } } } } } }