The quote-ocean-system, abbreviated as "QOS Market Data API," includes real-time APIs for Hong Kong stocks, U.S. stocks, and A-shares. It utilizes REST API and WebSocket interfaces, making it very easy to integrate. This is a free and open-source stock API providing real-time stock data for Hong Kong stocks, U.S. stocks, and mainland China stocks (A-shares). The QOS Market Data System currently offers real-time quotes, real-time K-line, and historical K-line data for stocks across Hong Kong, the United States, and mainland China. Free trials and integration support are available—feel free to contact the author for further details.
- Author: Max
- Last Updated: 2024-12-24
- HTTP Base URL:
https://api.qos.hk - WebSocket URL:
wss://api.qos.hk/ws - Authentication Method: Add the
keyfield in the request header - Error Code Description: A
msgfield returning "OK" indicates success, while any other value provides specific error details - Format: All requests and responses are in JSON format
- Request Method: All HTTP requests are unified as POST
Use PostMan to Quickly Experience the QOS Quotation System
- Telegram: https://t.me/qos_max
- Skype: https://join.skype.com/invite/wWXtMxKNFOYE
- telegram group: https://t.me/+3K5iqG1rV75jMjcx
- Telegram: https://t.me/qos_max
- Skype: https://join.skype.com/invite/wWXtMxKNFOYE