Getting Started with OpenAlgo — A Beginner's Guide

What is OpenAlgo?

OpenAlgo is an open-source bridge that connects your trading strategies — written in Pine Script, Python, or any language — directly to your broker's API. It eliminates the need for manual order placement and lets your algorithms trade automatically.

Key benefits:

• Supports 15+ Indian brokers (Zerodha, Fyers, AngelOne, Upstox, and more)
• Runs locally on your machine — your credentials never leave your system
• Works with TradingView webhooks, Python scripts, and Excel
• Free and open source

Prerequisites

Before you begin, you'll need:

1. A broker account with API access enabled
2. Python 3.10+ installed on your machine
3. Basic familiarity with the command line

Installation

Clone the OpenAlgo repository and install dependencies:

git clone https://github.com/marketcalls/openalgo
cd openalgo
pip install -r requirements.txt

Copy the sample config file and edit it with your broker credentials:

cp .env.sample .env

Connecting Your Broker

Open .env in a text editor and fill in your broker API key and secret:

BROKER=zerodha
API_KEY=your_api_key_here
API_SECRET=your_api_secret_here

Each broker has slightly different fields — check the OpenAlgo documentation for your specific broker's requirements.

Starting the Server

Run the OpenAlgo server:

python app.py

The server starts on http://localhost:5000 by default. Open your browser and complete the broker login flow.

Sending Your First Order

Once authenticated, you can place orders via the REST API:

import requests

order = {
    "symbol": "RELIANCE",
    "exchange": "NSE",
    "action": "BUY",
    "quantity": 1,
    "price_type": "MARKET",
    "product": "MIS"
}

response = requests.post("http://localhost:5000/api/v1/placeorder", json=order)
print(response.json())

A successful response will include an orderid confirming the order was placed.

Next Steps

• Connect TradingView alerts to OpenAlgo using webhooks
• Build a Pine Script strategy that fires alerts on your entries
• Set up position sizing and risk management rules

[!TIP] Start with paper trading or very small quantities until you've verified your strategy fires correctly. Always test your setup during market hours with a single unit first.

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