Agent-readable docs index: /llms.txt. Full docs in one file: /llms-full.txt. Download /docs.zip to grep all markdown files locally.

Candles

GET /v1/candles/{underlyingKey}/{specifier}
One-minute bars of the midpoint of the contract's book, oldest first, at most 1440.
query sinceintegerdefault: 0
Engine milliseconds.
query envelope1
Wrap as {"position", "candles"}.
[{ "minute": 199989960000, "open": 19500, "high": 20000, "low": 19500, "close": 19750 }]