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Algorithmic Trading & Financial APIs

  • Indian Stock Brokerage & STT Calculator: Compare Zerodha, Shoonya, Groww & Angel One

    Free online Indian stock brokerage & STT calculator. Calculate exact STT, GST, SEBI turnover fees, stamp duty, breakeven points, and net P&L across brokers.

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  • Understanding Indian Stock Market Charges: STT, Stamp Duty, GST, and Brokerage Math

    Complete guide to Indian stock market transaction charges: STT rates, exchange transaction fees, SEBI turnover fees, stamp duty, GST, and zero-brokerage math.

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  • Streaming Real-Time Stock Market Data with Shoonya API and Java: Complete WebSocket Guide

    Learn how to stream real-time tick-by-tick stock market data using Shoonya (Finvasia) WebSocket API in Java. Step-by-step tutorial covering the NorenWSAPI protocol, handshake authentication, avoiding policy violations, and building an auto-reconnecting client.

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  • Getting Started with Algo Trading in India: A Beginner's Step-by-Step Guide with Shoonya API

    A comprehensive beginner's guide to algorithmic trading in the Indian stock market. Learn how algo trading works, set up Shoonya (Finvasia) zero-brokerage APIs, fix common network traps, and deploy risk-controlled paper trading strategies.

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  • Complete Guide to Shoonya (Finvasia) API Authentication in Java: OAuth 2.0, WebSocket Streaming & Network Fixes

    Learn how to authenticate with Shoonya (Finvasia) Trading API in pure Java. Step-by-step guide covering the modern OAuth 2.0 GenAcsTok flow, SHA-256 checksums, IPv6 network fixes, and live WebSocket streaming with accesstoken.

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  • Best Algo Trading APIs in India (2026): In-Depth Comparison, Pricing & Developer Guide

    Comprehensive comparison of the best algorithmic trading APIs in India: Shoonya, Zerodha Kite Connect, Angel One SmartAPI, Upstox v2, DhanHQ, and Fyers. Detailed analysis of API pricing, brokerage, rate limits, SDKs, WebSocket streaming, and pros & cons.

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Educational software engineering & research publication. Content and code samples do not constitute financial or trading advice.

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