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

# Changelog

> TickDB API documentation version history

## v1.0.1 (2026-03-13)

### New Features

* **Stock Market Specific Endpoints**
  * Intraday data endpoint
  * Stock information endpoint
  * Trading sessions endpoint
  * Trade days calendar endpoint
  * Market metrics endpoint
  * Capital flow endpoint

### Major Improvements

* **WebSocket Documentation Restructure**
  * Added ping/pong heartbeat mechanism guidance
  * Updated ticker channel message format (market-specific fields)
  * Fixed trade channel response format (includes trades array)
  * Added A-shares support to depth channel

* **Documentation Content Optimization**
  * Reorganized REST API navigation structure
  * Enhanced all endpoints with request parameters and response field descriptions
  * Updated supported markets annotations and examples
  * Standardized terminology
  * Improved getting started guide and data specification

***

## v1.0.0 (2026-01-15)

### Initial Release

Provided core REST API and WebSocket real-time subscriptions, covering Forex, Metals, Indices, US Stocks, HK Stocks, A-Shares, and Crypto markets.

* **REST API Endpoints**
  * Available symbols
  * Ticker snapshot
  * Historical klines
  * Latest klines
  * Order book
  * Recent trades
  * Kline intervals

* **WebSocket Channels**
  * ticker channel
  * depth channel
  * trade channel