{ "openapi": "3.0.1", "info": { "title": "Prediction Markets Lookup: Kalshi & Polymarket API from $1/1k", "description": "Kalshi and Polymarket prediction markets in one actor. Search by keyword or fetch an exact market by ticker/id and get venue, question, live yes/no prices, volume, liquidity and close time. Reads both venues' own official public JSON APIs, no login. Billed per market returned, never per search.", "version": "1.0", "x-build-id": "OGInZVhornlvB112i" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/accountable_eel~prediction-markets-lookup/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-accountable_eel-prediction-markets-lookup", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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/accountable_eel~prediction-markets-lookup/runs": { "post": { "operationId": "runs-sync-accountable_eel-prediction-markets-lookup", "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/accountable_eel~prediction-markets-lookup/run-sync": { "post": { "operationId": "run-sync-accountable_eel-prediction-markets-lookup", "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", "required": [ "queries" ], "properties": { "queries": { "title": "Queries: a keyword, or a Kalshi ticker / Polymarket market id or slug", "type": "array", "description": "One per line. A free-text keyword (e.g. \"fed rate\") searches open markets on the selected venue(s) and returns every match. An exact Kalshi ticker (e.g. \"KXNFLREC-26SEP14DENKC-KCNGRAY83-5\") or Polymarket market id/slug fetches that one market directly. Accepted formats: fed rate decision, KXNFLREC-26SEP14DENKC-KCNGRAY83-5, will-the-fed-cut-rates-in-2026. You're only charged for the ones we actually find — a miss costs nothing.", "items": { "type": "string" } }, "testRun": { "title": "Try it first — only process the first 5", "type": "boolean", "description": "Turn this on to test your input on a small sample before running the full list. Turn it off to process everything.", "default": false }, "onlyFound": { "title": "Hide rows with no result", "type": "boolean", "description": "Only keep rows where something was actually found. Misses are always free, whether or not you show them here.", "default": false }, "includeKeywords": { "title": "Only keep rows containing", "type": "array", "description": "Optional. Only keep results that mention at least one of these words (e.g. a job title, a city, a product name). Leave empty to keep everything.", "items": { "type": "string" } }, "excludeKeywords": { "title": "Skip rows containing", "type": "array", "description": "Optional. Drop any result that mentions one of these words. Leave empty to skip nothing.", "items": { "type": "string" } }, "maxResults": { "title": "Stop after this many results", "minimum": 1, "type": "integer", "description": "Optional. Stop the run once this many results have been found — useful for a quick, cheap sample. Leave blank for no limit." }, "venues": { "title": "Venues to search", "enum": [ "both", "kalshi", "polymarket" ], "type": "string", "description": "Which venue(s) to query. An exact ticker/id input only ever resolves against the venue it actually belongs to.", "default": "both" }, "status": { "title": "Market status", "enum": [ "open", "closed", "any" ], "type": "string", "description": "Restricts keyword search to markets in this state. Ignored for an exact ticker/id lookup, which always returns that market regardless of status.", "default": "open" }, "maxMarketsPerQuery": { "title": "Most markets to return per query", "type": "integer", "description": "Caps how many matching markets a single keyword query can return. You pay per market returned, so this is also your budget control. Ignored for an exact ticker/id lookup (always 1).", "default": 20 }, "columns": { "title": "Which columns do you want?", "type": "array", "description": "Choose which pieces of information to include in each result row. All are included by default.", "items": { "type": "string", "enum": [ "marketCount", "markets", "venue", "marketId", "question", "yesPrice", "noPrice", "volume", "liquidity", "closeTime", "url" ], "enumTitles": [ "Markets found", "All markets found (full list)", "Venue", "Market ticker / id", "Question", "Yes price", "No price", "Volume", "Liquidity", "Close time", "Market page" ] }, "default": [ "marketCount", "markets", "venue", "marketId", "question", "yesPrice", "noPrice", "volume", "liquidity", "closeTime", "url" ] }, "expandRows": { "title": "One row per market (recommended) — turn off for one row per search instead", "type": "boolean", "description": "When on, each market found gets its own row instead of being grouped under its search. You're still only charged once per search, no matter how many rows it produces.", "default": true }, "maxConcurrency": { "title": "Max concurrency", "minimum": 1, "maximum": 20, "type": "integer", "description": "Parallel requests. Keep conservative — this target has no browser fallback, so getting blocked costs more than slow-and-steady.", "default": 5 }, "proxyConfiguration": { "title": "Proxy configuration", "type": "object", "description": "Apify Proxy config. Residential recommended for anti-bot-sensitive targets.", "default": { "useApifyProxy": 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 } } } } } } } } } }