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from $1.50 / 1,000 results

Polymarket Prediction Markets Scraper

Pull live prediction market data from Polymarket. Prices, volumes, probabilities, and resolution status for any event. No API key needed — uses public Gamma API.

Pricing

from $1.50 / 1,000 results

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0.0

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Developer

Igor Araujo

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Monthly active users

2 days ago

Last modified

Polymarket Scraper

An Apify Actor that scrapes prediction market data from Polymarket using the public Gamma API.

Features

Fetches markets from Polymarket's Gamma API (no authentication required)
Extracts: title, outcomes, yes/no prices, volume, liquidity, end date, event category, and URL
Filter by minimum volume, minimum liquidity, category, or keyword search
Supports both active and closed markets (configurable)
Outputs structured JSON to Apify dataset

API Endpoints Used

GET https://gamma-api.polymarket.com/markets?limit=50&closed=false — Fetch markets
GET https://gamma-api.polymarket.com/events?limit=20&closed=false — Fetch events (for category/tag data)

The Polymarket Gamma API is public and does not require any authentication.

Input Schema

Field	Type	Default	Description
`limit`	integer	100	Max markets to fetch (max 500)
`minVolume`	number	0	Minimum volume in USD
`minLiquidity`	number	0	Minimum liquidity in USD
`category`	string	""	Filter by category/event name (case-insensitive substring match)
`keyword`	string	""	Filter by keyword in market title (case-insensitive substring match)
`onlyActive`	boolean	true	Only fetch active (non-closed) markets

Output Data

Each dataset item contains:

Field	Type	Description
`title`	string	Market question/title
`outcomes`	string	Comma-separated list of outcomes (e.g., "Yes, No")
`yes_price`	number	Current price of the "Yes" outcome in USD
`no_price`	number	Current price of the "No" outcome in USD
`volume`	number	Total trading volume in USD
`liquidity`	number	Current liquidity in the market in USD
`end_date`	string	Market resolution end date (ISO 8601)
`category`	string	Event/hub title that the market belongs to
`url`	string	Polymarket URL for the market

Example Input

{
    "limit": 50,
    "minVolume": 10000,
    "category": "politics",
    "onlyActive": true
}

Local Development

# Install dependencies
pip install -r requirements.txt

# Run locally
apify run

Deployment

# Push to Apify platform
COPYFILE_DISABLE=1 apify push

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