Real-time Market Data API — Low Latency Financial Data Engine
TickDB: Unified Real-time Market Data API for Developers
The leading real-time market data API for Forex, Crypto, US Stocks, HK Stocks and A-Shares. Access WebSocket stock data API with ultra-low latency.
TickDB provides a unified WebSocket stock data API and REST API covering 36,000+ instruments across 6 global markets. Built for developers who need forex real-time API access, crypto tick data, and institutional-grade stock market feeds.
99.99% uptime · Sub-200ms latency · WebSocket & REST · Free tier available
Get Free API Key
Contact Sales
Unified Market Data API — Multi-asset Coverage
TickDB is a unified market data API that delivers multi-asset real-time data through a single connection. Whether you need a WebSocket stock data API, forex real-time API, or crypto market data API with WebSocket streaming, TickDB covers it all.
- Forex — 100+ currency pairs, forex real-time API for developers. Data sources: LMAX, FXCM, Saxo Bank
- Precious Metals — Gold XAU/USD, Silver XAG/USD real-time spot quotes, low latency market data API
- Indices — S&P 500 SPX, NASDAQ 100 NDX and major global indices, real-time index data API
- US Stocks — NYSE, NASDAQ real-time quotes via WebSocket stock data API. TSLA, NVDA, AAPL and more
- HK Stocks — HKEX full coverage, hk stock market data API real-time. Tencent 700, Alibaba 9988
- China A-Shares — Shanghai & Shenzhen exchanges. The only china a-share stock data API with English documentation
- Crypto — 1000+ tokens, crypto market data API websocket. Sources: Binance, OKX, Bybit
Looking for an Alpha Vantage alternative with real-time data? Or a Databento alternative that's more affordable? TickDB offers institutional grade market data at a fraction of the cost, with a free tier for developers.
实时行情API — 统一行情接口覆盖美股港股A股
TickDB 提供统一行情API，一个连接获取美股、港股、A股实时行情。支持WebSocket行情接口低延迟推送和REST API历史数据查询。是国内开发者获取全球行情数据接口的首选方案。
- 美股实时行情API — NYSE纽约证券交易所、NASDAQ纳斯达克实时行情，覆盖特斯拉TSLA、苹果AAPL、英伟达NVDA等热门标的。美股WebSocket数据推送延迟低于200ms，支持标普500、纳斯达克100等指数行情。美股API支持REST和WebSocket两种接入方式，美股数据覆盖逐笔成交和K线
- 美股行情数据接口 — 提供美股逐笔成交、实时K线、盘口深度数据。量化交易开发者可通过Python SDK快速接入美股行情API
- A股实时行情接口 — 上交所、深交所全覆盖，支持沪深300、上证指数、深证成指等指数行情，以及逐笔行情和K线数据推送
- 港股实时行情API — HKEX港交所全覆盖，腾讯00700、阿里巴巴09988、美团03690等热门港股实时数据
- 外汇实时数据API — 100+货币对，EUR/USD、GBP/USD、USD/JPY等主要货币对实时行情，适合外汇量化交易
- 加密货币实时行情接口 — 1000+代币，支持Binance、OKX等主流交易所WebSocket行情推送
- 金融行情数据API量化 — 为量化交易开发者提供低延迟行情数据接口，支持Python、JavaScript、Go SDK，兼容vnpy、backtrader等量化框架
无论您是寻找美股实时行情API、Python获取实时股票行情教程，还是需要统一行情API同时接入美股港股A股，TickDB都能满足您的需求。免费套餐可用于开发和测试，注册即可获取API Key。
使用场景 — 谁在用TickDB行情数据接口
量化交易开发者
通过TickDB低延迟行情数据接口获取美股、港股、A股实时行情，接入vnpy、backtrader等量化交易框架。支持WebSocket行情接口实时推送和REST API历史K线回测数据。
金融科技应用开发
使用TickDB统一行情API构建实时行情看板、交易终端和投资组合管理工具。一套接口覆盖美股、港股、A股、外汇和加密货币，大幅降低多数据源对接成本。
美股港股数据分析
获取纳斯达克、标普500等美股指数实时行情和历史数据。通过美股行情API进行技术分析、因子研究和市场监控。同时支持港股恒生指数和A股沪深300数据。
Real-time Market Data API Features
TickDB aggregates global exchange feeds (Tick, Kline) into a simple, unified API for developers.
REST API — Real-time Market Data API
Standard JSON responses for historical candlestick data, tick-level quotes, and market depth. The real-time market data API supports all major asset classes.
WebSocket Stock Data API — Live Streaming
Connect to our WebSocket stock data API for real-time streaming quotes. Average latency ~170ms. Subscribe to multiple symbols simultaneously with a single connection.
Forex Real-time API for Developers
Access 100+ currency pairs through our forex real-time API. EUR/USD, GBP/USD, USD/JPY and more with institutional-grade data quality. Built specifically for forex real-time API developer needs.
AI Agent Native Skill
Native market data interface designed for LLM and AI Agents. Let your AI assistant access global financial quotes with a single API call.
透明定价
支持 USDT 支付，无需信用卡。
免费版
免费7天试用。精选品种、5个同时订阅、实时报价、实时K线、1个WebSocket连接、30次/分钟API调用、Email支持。
基础版 — $99/月
全部品种、50个同时订阅、实时报价、实时K线、实时盘口、实时成交、1年历史数据、60次/分钟API调用。
专业版 — $299/月（最受欢迎）
全部品种、300个同时订阅、实时报价、实时K线、实时盘口、实时成交、3年历史数据、3个WebSocket连接、600次/分钟API调用、Telegram支持。
企业版 — $899/月
全部品种、5000+同时订阅、实时报价、实时K线、实时盘口、实时成交、10年历史数据、10个WebSocket连接、1800+次/分钟API调用、Telegram支持。
TickDB 适合谁？
量化交易员
毫秒级数据推送，让您的策略捕捉每一个成交瞬间。极致速度、深度洞察、全能覆盖。推荐方案：专业版。
金融应用开发者
高性能、易集成的 API，助力您的产品快速上线。极简集成、海量并发、视觉丰富。推荐方案：企业版。
投资研究机构
精准、权威的全球数据，支撑您的专业决策与风控。多维数据、专属支撑、一站式管理。推荐方案：专业版/企业版。
开发者
集成 TickDB 到您的应用程序所需的一切。
API 文档
全面的指南和 API 参考，助您快速上手。
阅读文档
代码示例
Python, JavaScript, Go 等语言的现成代码片段。
查看示例
SDK 与库
官方 SDK 和社区库，实现无缝集成。
浏览 SDK
快速开始 — WebSocket 接入示例
const WebSocket = require('ws');
const ws = new WebSocket('wss://api.tickdb.ai/v1/realtime?api_key=YOUR_API_KEY');
ws.on('open', () => {
ws.send(JSON.stringify({
cmd: 'subscribe',
data: { channel: 'ticker', symbols: ['XAUUSD', 'GBPUSD', 'TSLA.US', '700.HK'] }
}));
});
ws.on('message', (data) => console.log(JSON.parse(data)));
资讯与社媒
文档与代码仓库
无论是刚入门接口调用还是寻求私有化部署深度集成，你都能在此快速找到帮助指引与开源 SDK。
查阅文档
官方 GitHub
TickDB 知乎专栏
专注解决多市场数据接入与实时推送难题，持续更新行情系统架构设计、WebSocket 实践与前端性能优化的深度剖析。
阅读专栏
Frequently Asked Questions — Real-time Market Data API
Is TickDB a good Alpha Vantage alternative for real-time data?
Yes. Unlike Alpha Vantage which primarily offers delayed data on free tiers, TickDB provides a real-time market data API with WebSocket streaming from day one. TickDB covers Forex, Crypto, US Stocks, HK Stocks and China A-Shares — making it a comprehensive Alpha Vantage alternative with real-time capabilities.
How does TickDB compare to Databento? Is it a cheaper alternative?
TickDB is a Databento alternative that offers institutional grade market data at significantly lower cost. While Databento focuses on US equities, TickDB provides a unified market data API covering 6 global markets through a single connection. Free tier available for developers.
Can I get China A-share stock data through an English API?
Yes. TickDB is one of the few providers offering china a-share stock data API with full English documentation. Access Shanghai and Shenzhen exchange data through the same unified API used for US stocks and forex.
Does TickDB support WebSocket stock data streaming?
Yes. TickDB provides a WebSocket stock data API with sub-200ms latency. Subscribe to multiple symbols across different markets through a single WebSocket connection. Supports real-time OHLCV data streaming, tick-level quotes, and order book depth.
Is there a free real-time stock API for developers?
TickDB offers a free tier that includes real-time market data API access with WebSocket streaming. Developers can test with up to 5 simultaneous subscriptions and 30 API calls per minute — no credit card required.
Can I use TickDB for algorithmic trading and backtesting?
Absolutely. TickDB's low latency market data API is built for algorithmic trading. Access historical candlestick data for backtesting and real-time WebSocket feeds for live trading. Compatible with Python frameworks like vnpy and backtrader.
What makes TickDB different from Polygon.io for Asian stocks?
TickDB is the best Polygon.io alternative for Asia stocks. While Polygon focuses on US markets, TickDB provides real-time HK stock market data API and China A-share coverage with the same low-latency WebSocket infrastructure.
常见问题 — 实时行情API
TickDB 和其他行情数据提供商有什么区别？
TickDB 是统一行情API，一个连接即可获取美股、港股、A股、外汇和加密货币实时行情。相比需要对接多个数据源的方案，TickDB 大幅降低了开发和维护成本。
如何通过API获取美股实时行情？
通过TickDB美股实时行情API，开发者可以使用WebSocket行情接口订阅纳斯达克、标普500等美股实时数据。支持Python、JavaScript、Go等多语言SDK，几行代码即可获取特斯拉、苹果、英伟达等热门美股的逐笔行情和K线数据。
如何用 Python 获取实时股票行情？
通过 TickDB 的 WebSocket 行情接口，只需几行 Python 代码即可获取实时股票行情。支持 A 股实时行情接口、港股实时行情 API 和美股行情数据接口。详见 API 文档和 Python SDK 教程。
TickDB 支持量化交易框架接入吗？
支持。TickDB 的金融行情数据 API 可以对接 vnpy、backtrader 等主流量化交易框架。提供低延迟行情数据接口，适合高频交易和算法交易场景。美股、港股、A股行情数据均可用于策略回测和实盘交易。
有免费的实时行情 API 吗？
有。TickDB 提供免费套餐，包含美股、港股、A股等实时行情 API 访问和 WebSocket 推送，适合开发者测试和学习。无需绑定信用卡，注册即可获取 API Key。
美股行情API支持哪些数据类型？
TickDB美股行情API支持实时报价（Tick）、K线数据（OHLCV）、盘口深度和逐笔成交。通过WebSocket行情接口可实时订阅纳斯达克和纽交所的股票行情，延迟低于200毫秒。同时提供REST API查询历史K线数据，支持量化回测。
Pricing — TickDB Market Data API Plans
TickDB offers transparent pricing with USDT payment. No credit card required.
Free — 7-Day Trial
Selected symbols, 5 concurrent subscriptions, real-time quotes, real-time kline, 1 WebSocket connection, 30 requests/minute API, email support.
Starter — $99/month
All symbols, 50 concurrent subscriptions, real-time quotes, kline, orderbook, trades, night session data, 1 year historical data, 1 WebSocket connection, 60 requests/minute API, email support.
Professional — $299/month (Most Popular)
All symbols, 300 concurrent subscriptions, real-time quotes, kline, orderbook, trades, night session data, 3 years historical data, 3 WebSocket connections, 600 requests/minute API, Telegram support.
Enterprise — $899/month
All symbols, 5000+ concurrent subscriptions, real-time quotes, kline, orderbook, trades, night session data, 10 years historical data, 10 WebSocket connections, 1800+ requests/minute API, Telegram support.
Billing Cycles & Discounts
- Monthly — full price
- Quarterly — 10% off
- Semi-Annual — 15% off
- Annual — 20% off
Payment Methods
USDT stablecoin via TRC-20 (Tron) and ERC-20 (Ethereum). System assigns a dedicated wallet address, plan activates automatically upon on-chain confirmation. 20-minute payment timeout per order.
Business Rules
- Free plan: upgrade only after expiration, no renewal
- Paid plans: support renewal or upgrade to higher tiers
- Billing cycle can only stay the same or increase when upgrading
- Each API Key can subscribe to a different plan independently
Market Coverage — 6 Major Global Markets
Forex — 100+ Currency Pairs
Sources: LMAX, FXCM, Saxo Bank. EUR/USD, GBP/USD, USD/JPY, AUD/USD and more. Data types: real-time quotes (tick), real-time kline, historical kline data.
US Stocks — NYSE, NASDAQ
TSLA, NVDA, AAPL and other listed stocks. Data types: real-time quotes, kline, orderbook, trades, night session data, historical kline.
HK Stocks — HKEX Full Coverage
Tencent 00700, Alibaba 09988, Meituan 03690. Data types: real-time quotes, kline, orderbook, trades, historical kline.
A-Shares — Shanghai (SSE) & Shenzhen (SZSE)
CSI 300, SSE Composite, SZSE Component and all listed stocks. Data types: real-time quotes, kline, orderbook, trades, historical kline.
Indices — Major Global Indices
S&P 500 (SPX), NASDAQ 100 (NDX), Hang Seng Index. Data types: real-time quotes, kline, historical kline.
Crypto — 1000+ Tokens
Sources: Binance, OKX, Bybit. Data types: real-time quotes, kline, orderbook, trades, historical kline.
Access Protocols
- WebSocket — real-time streaming, subscribe to multiple symbols via single connection
- REST API — standard JSON responses for historical klines, tick-level quotes, market depth
- AI Native CLI — native market data interface for LLM and AI Agents
SDKs available for Python, JavaScript, and Go. Compatible with vnpy and backtrader.
API Performance — Low Latency Infrastructure
- WebSocket average latency: ~170ms (global), lower in APAC
- Uptime SLA: 99.99%
- REST API response time: <100ms
- Database query latency: <50ms
Global Nodes
- China (Shanghai) — ~25ms
- Singapore (AWS) — ~45ms
- Japan (Tokyo) — ~60ms
- USA (N. Virginia) — ~180ms
Security
- API Keys encrypted with AES-256-CBC
- JWT stateless authentication
- IP whitelist access control
- Rate limiting
- Parameterized queries (SQL injection prevention)
Use Cases — Who Uses TickDB
Quantitative Traders
Profile: Individual geeks or professional players using Python/C++ for trading algorithms, pursuing high-frequency monitoring. Why TickDB: extreme speed via WebSocket, real-time orderbook and tick-by-tick data, one API for Forex, Gold, Indices, and Global Stocks. Recommended: Starter / Professional.
FinTech Developers
Profile: Independent developers and startup teams building financial websites, investment Apps, or market dashboards. Why TickDB: simple RESTful integration, 5000+ concurrent subscriptions on Enterprise, complete K-line and historical data. Recommended: Professional.
Investment Institutions
Profile: Small private funds, investment studios needing real-time risk control, NAV calculation, or global macro research. Why TickDB: up to 3 years historical data, 1-on-1 Telegram support, covers A-shares, HK/US stocks, Forex, and Commodities. Recommended: Professional / Enterprise.
Typical Use Cases
- Algorithmic Trading — integrate with vnpy, backtrader; WebSocket for live trading, REST API for backtesting
- FinTech App Development — unified API for dashboards, trading terminals, portfolio tools
- US/HK Stock Data Analysis — NASDAQ, S&P 500 real-time quotes, technical analysis, factor research