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Chainlink Oracle Data API

Kwery serves Chainlink on-chain reference prices (BTC, ETH, SOL, XRP on Polygon) alongside prediction market and CEX data. Historical price feed data via REST API—ideal for DeFi apps, arbitrage, and cross-asset research without running your own indexer.

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What you get

Chainlink aggregator prices on Polygon
BTC, ETH, SOL, XRP reference prices
Same time intervals as spot and perp (5m–24h)
Unified schema with Polymarket, Binance, Hyperliquid
Historical snapshots for research and backtesting

Sample request & response

GET /v1/chainlink/candles?symbol=BTC&interval=1h&limit=24

{
  "symbol": "BTC",
  "source": "chainlink",
  "interval": "1h",
  "candles": [{
    "time": "2026-03-04T14:00:00Z",
    "open": 67100.0,
    "high": 67400.0,
    "low": 67000.0,
    "close": 67350.0
  }],
  "total": 24
}

Add Chainlink data to your stack

One API for prediction markets, CEX, and on-chain reference.

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