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Improved

2026.08.30 - Add Market Cap Chart Mode to WebSocket OHLCV Subscriptions

about 2 hours ago by Dqd

Expand WebSocket OHLCV subscriptions with a new chartBy selector so clients can receive OHLCV candles by token price or by market cap.

Features

WebSocket - Subscribe OHLCV

WSS OHLCV

  • Add chartBy to OHLCV subscriptions
  • Support price and mcap as valid chartBy values
  • Default chartBy to price when omitted
  • Support market cap OHLCV output for token subscriptions on Solana
  • Fall back to price-based OHLCV if token supply is unavailable
  • Keep existing OHLCV subscription behavior unchanged for clients that do not send chartBy

Parameters

ParameterTypeRequiredDefaultDescription
chartBystringNopriceSelect OHLCV display mode: price or mcap. mcap applies to token OHLCV on Solana and falls back to price if supply is unavailable.

Compatibility Note

  • Existing clients continue receiving price-based OHLCV data without any request changes
  • chartBy=mcap is only applicable to token OHLCV on Solana
  • Unsupported chartBy values are rejected