Onchain trades

Onchain trades are sourced from Polygon. Available since 2026-02-01.

Data type: polygon_trades

Format: Daily ZIP of Parquet files.

import requests

api_key = "<YOUR_API_KEY>"
series = "btc-5m"
data_type = "polygon_trades"
data_date = "2026-06-22"

file_name = f"{series}_{data_type}_{data_date}.zip"
url = f"https://api.pmdata.dev/polymarket/{series}/{data_type}/{file_name}"

response = requests.get(
    url,
    headers={"api_key": api_key},
    timeout=300,
)

Schema

Field	Type	Description
timestamp	timestamp	Onchain transaction timestamp.
maker	string	Maker wallet address.
taker	string	Taker wallet address.
outcome	string	Outcome token, usually Yes or No.
maker_side	string	Maker side, BUY or SELL.
taker_side	string	Taker side, BUY or SELL.
price	float	Execution price.
usd_amount	float	Trade notional in USD.
token_amount	float	Outcome token amount.
transactionHash	string	Polygon transaction hash.