Polymarket API no limit | Scraper/Screener | API V3
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$1.99 / 1,000 results
Polymarket API no limit | Scraper/Screener | API V3
API for Agentic AI on Polymarket. Automate data extraction for markets, events, and price feeds. Features high-speed crawling and clean JSON formatting designed for developers building trading bots and market analysis tools. Structured JSON and Apify Dataset. Awarded best 2026.
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🔮 Polymarket Market Data Scraper - Flexible API Access (✅ 04/2026 Upgrade)
QUICK GUIDE
This Actor is a powerful tool for fetching data from the Polymarket API. It offers three primary modes: fetching a single market by ID or Slug, searching for markets based on a query, or performing a comprehensive, paginated crawl of all markets.
All results are pushed to the Dataset as individual JSON records.
Input Examples
You must provide only one of the primary fetch parameters (marketId, marketSlug, or searchQuery).
If none are provided, the Actor defaults to a Full Market Crawl.
| Mode | Input JSON Example |
|---|---|
| Market Search (e.g., for "SpaceX" including closed markets) | { "searchQuery": "SpaceX" } |
| Full Market Crawl (Default) | { "batchSize": 100, "fetchClosedMarkets": false, "sortAscending": true } |
| Single Market by ID | { "marketId": "98374" } |
⚙️ Input Configuration
| Field Name | Type | Default | Description | Fetch Mode |
|---|---|---|---|---|
| marketId | String | null | Fetches a single specific market using its unique numerical ID (e.g., "98374"). Takes highest priority. | Single Market by ID |
| marketSlug | String | null | Fetches a single specific market using its URL slug (e.g., "spacex-ipo-closing-market-cap"). Takes second priority. | Single Market by Slug |
| searchQuery | String | null | A keyword or phrase (e.g., "Trump", "SpaceX") to search for markets using the /public-search endpoint. Results are correctly saved to the Dataset. | Market Search |
| batchSize | Number | 50 | The number of markets to fetch per API call when searching or performing a full crawl. | Search & Full Crawl |
| fetchClosedMarkets | Boolean | false | If true, the scraper will include markets that are already closed or resolved. | Search & Full Crawl |
| sortAscending | Boolean | false | Determines the order of results when performing a full crawl (false = descending by market ID). | Full Crawl Only |
🚀 Fetch Modes & Priority
The Actor executes exactly one of the following modes, checked in this order:
-
Single Market by ID (
marketId)
Endpoint:/markets/{marketId}
Behavior: Fetches a single JSON object for the specified market. -
Single Market by Slug (
marketSlug)
Endpoint:/markets/slug/{marketSlug}
Behavior: Fetches a single JSON object for the specified market. -
Market Search (
searchQuery)
Endpoint:/public-search
Behavior: Searches for markets matching the query. Results are extracted from theeventsarray and individually saved to the Dataset. -
Full Market Crawl (Default)
Endpoint:/events
Behavior: Paginates through all available markets when no specific fetch parameters are provided.
💾 Output and Data Structure
All fetched markets are stored in the Dataset using:
Actor.push_data(data)
The output format mirrors the Polymarket API response:
💡 Use Cases
-
Quantitative Market Analysis: Collect large datasets for backtesting strategies.
-
Forecasting & Trends: Track prediction markets for politics, tech, and economics.
-
Archiving: Build historical datasets using Full Market Crawl with fetchClosedMarkets: true.
-
Industry Monitoring: Track new markets for specific industries or technologies via searchQuery.
