> For the complete documentation index, see [llms.txt](https://guide.ssi.com.vn/ssi-products/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.ssi.com.vn/ssi-products/change-log.md).

# Change log

### 2023-08-18

First online guide version 1.0

**2023-09-13**

In version 1.1, FCData's streaming link is changed from: 

\+ **wss\:// fc-data.ssi.com.vn** to **wss\:// fc-datahub.ssi.com.vn** - Nodejs

\+ **https\:// fc-data.ssi.com.vn** to **wss\:// fc-datahub.ssi.com.vn** - Python

**2023-10-06**

Add guide Client Java (FCData and FCTrading)

**2023-11-02**

Add guide Client .Net (FCData and FCTrading)

**2023-11-07**

\[FCData] In this update: Buy up/Sell down added in Streaming message X-TRADE

**2023-12-18**

\[FCTrading] Add API Cash/ OnlineRightSubscription/ Stock and API rateLimit

**2024-02-23**

Update ErrorCode by FCTrading

**2025-02-18**

\[FCData] Update Odlot message for FCData Streaming