Real-Time Streaming

WebSocket Streams

Real-time streaming data pipeline for live market intelligence. Persistent WebSocket connections deliver tick-by-tick data, signal updates, and analysis as events occur.

Access WebSocket View Docs

Available Channels

analysis

Real-time multi-factor analysis updates — PCR, OI concentration, IV skew, max pain, Greeks surface.

signals

Live AI-generated trade signals with confidence scoring and direction selection as they fire.

ticker

Streaming index ticker data — NIFTY, SENSEX, BANKNIFTY, FINNIFTY with bid/ask and volume.

observations

LLM-generated market observations synthesized from real-time multi-factor analysis.

system

Platform health events — connection status, rate limit warnings, maintenance notifications.

Persistent Connection

Single WebSocket connection with automatic reconnection and heartbeat keepalive.

Multi-Channel

Subscribe to multiple data channels simultaneously over one connection.

Low Latency

Sub-100ms delivery for ticker data, sub-500ms for analysis and signal updates.

Auto-Reconnect

Built-in reconnection with exponential backoff and state recovery.

Connection Details

wss://api.hnicalls.com/ws/v1

// Subscribe to channels
{ "action": "subscribe", "channels": ["analysis", "signals"] }

// Events received
{ "channel": "analysis", "data": { ... } }

WebSocket access requires HNI Elite tier. Authentication via API key in connection header.

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