Chainlink(no proxy)

Chainlink stream data is separate from the Polymarket proxy. Available since 2026-06-07.

Data type: streams

Format: Daily Parquet file.

import requests

api_key = "<YOUR_API_KEY>"
symbol = "BTCUSD"
data_type = "streams"
data_date = "2026-07-11"

file_name = f"{symbol}_{data_type}_{data_date}.parquet"
url = f"https://api.pmdata.dev/chainlink/{symbol}/{data_type}/{file_name}"

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

Schema

Field	Type	Description
symbol	string	Feed symbol, for example BTCUSD.
observationsTimestamp	timestamp[us]	Source observation timestamp.
receiveMicrosecondTimestamp	timestamp[us]	PMData receive timestamp.
price	float	Reported mid or benchmark price.
bid	float	Reported bid price.
ask	float	Reported ask price.
validFromTimestamp	timestamp[us]	Stream report validity start timestamp.
expiresAt	timestamp[us]	Stream report expiration timestamp.
version	string	Stream report version.