API TRADING

Build, Automate &
Execute Your Strategy

Empower your trading with powerful REST, WebSocket, and FIX-compatible APIs. Code, test, and scale automated strategies with low-latency execution and real-time streaming data.

Why Trade with CSFX API?

Infrastructure optimized for speed, stability, and scale.

Ultra-Fast Execution

Low-latency routing with high fill rates and minimal downtime. Optimized for 24/7 automated systems.

Multi-Asset Access

Programmatically trade 2000+ markets including Forex, Stocks, Indices, Commodities, Crypto, and ETFs.

Real-Time Streams

Access live tick-level updates, order book depth, and account notifications via WebSocket.

Quant-Friendly

Built for bots, HFT strategies, scalping, systematic execution, and multi-asset algorithmic portfolios.

Institutional Tools

Advanced capabilities to monitor positions, automate risk management, and retrieve historical data.

Platform Flexibility

Connect directly to ACT Trader or FXYFi using Python, C#, JS, or any server-side language.

What You Can Build - Section

What You Can Build

From high-frequency bots to complete fintech dashboards, our API gives you the building blocks for financial innovation.

Custom Trading Bots

Scalping, trend-following, or grid systems.

Copy-Trading Engines

Create follower systems using API data.

Portfolio Management

Allocate positions across multiple assets.

Signal Automation

Connect ML models or indicators to execution.

Designed For

Algorithmic Traders

Quant Developers

Hedge Funds

FinTech Startups

Data Scientists

Signal Providers

Requirements Checklist

1 Verified Capital Street FX live account
2 Request API Keys / Tokens
3 Dedicated setup for HFT/High-load systems

API Documentation & Endpoints

The Developer’s Gateway to Global Markets

Developer Zone | Capital Street FX

ACT TRADER API

REST + WebSocket

The ACT Trader API allows developers to build fully automated systems with robust market access.

Authentication (POST)

http://s138.sysfx.com:10001/api/v2/auth/token

WebSocket Stream

ws://s138.sysfx.com:10106/ws?token

Capabilities:

Order Placement
Live Price Data
Account Monitoring
Market Depth

FXYFi API

Algo-Ready Environment

Our next-generation environment optimized for smarter algorithms, rapid prototyping, and bot deployment.

Ideal For:

✓ Python & C# Frameworks
✓ Machine Learning Strategies
✓ Script-Triggered Automation

"Designed for institutional and high-volume clients requiring fast synchronization with positions & market data."

Frequently Asked Question's

Find quick and reliable answers to your most commonly asked questions here.

Any verified Capital Street FX trader, quant, developer, or institution requiring automated or algorithmic execution.

We currently support ACT Trader API (REST + WebSocket) and FXYFi API for advanced automation.

Any language that supports REST and WebSocket connections including Python, C#, JavaScript, Java, PHP, Go, etc.

Yes — streaming WebSocket feeds provide real-time market data and execution updates.

Yes — sandbox environments can be provided upon request for development and backtesting.

Ready to Take Your Trading
to the Next Level?

Join thousands of traders worldwide who trust Capital Street FX for their trading needs. Open your account in minutes and start trading with confidence.

$100

Minimum Deposit

0 Pips

From Spreads

2000+

Instruments

24/7

Market Access

Build, Automate & Execute Your Strategy