> ## Documentation Index
> Fetch the complete documentation index at: https://api.docs.rocketfi.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Candle

> OHLCV candle updates for an instrument and interval (`SubscriptionKind::Candle`).

Subscribe with **`Candle`**, an **`instrumentId`**, and a **`interval`** (e.g. `1h`). Uses the shared **`/ws`** endpoint — [Public WebSocket streams](/guides/ws-public).