Changelog¶

Track all updates, new features, improvements, and bug fixes to the INDstocks Trading API.

[v1.3.0] - 2024-12-15¶

✨ New Features¶

• Option Greeks API: Calculate real-time Greeks (Delta, Gamma, Theta, Vega, Rho) for options
• Multi-leg Order Support: Place complex multi-leg strategies in a single API call
• Enhanced Historical Data: Extended historical data availability to 15 years
• Instrument Search API: New endpoint to search instruments by name/symbol

🚀 Improvements¶

• Faster order execution: Optimized order routing for improved performance
• WebSocket reliability: Improved connection stability with automatic reconnection
• Better error messages: More descriptive error responses with actionable solutions
• Rate limit headers: Added X-RateLimit-* headers to all responses

🐛 Bug Fixes¶

• Fixed issue where some F&O instruments showed incorrect lot sizes
• Resolved WebSocket disconnection issues during high market volatility
• Fixed timezone handling in historical data API
• Corrected margin calculation for spread orders

📚 Documentation¶

• Added comprehensive FAQ page
• New Getting Started tutorial
• Enhanced WebSocket guide with reconnection examples

[v1.2.5] - 2024-10-28¶

🚀 Improvements¶

• Faster market quotes: Reduced latency for /market/quotes endpoint by 40%
• Batch order support: Place up to 50 orders in a single API call
• Enhanced portfolio API: Added real-time P&L calculations
• Better GTT order handling: Improved trigger accuracy for Smart Orders

🐛 Bug Fixes¶

• Fixed race condition in order modification during high-frequency trading
• Resolved issue with incorrect available margin calculation
• Fixed WebSocket subscription limits not being enforced correctly

📚 Documentation¶

• Added Python SDK examples to all major endpoints
• Updated Order Management guide with batch order examples
• Improved Error Handling documentation

[v1.2.0] - 2024-09-10¶

✨ New Features¶

• Smart Orders (GTT): Launch of advanced Good Till Triggered orders
• OCO Orders: One-Cancels-Other order type for automated risk management
• Option Chain API: Get complete option chain data with Greeks
• Funds API Enhancement: Added detailed fund breakdown and utilization

🚀 Improvements¶

• Infrastructure upgrades: Improved reliability and performance
• Enhanced security: Added rate limiting and DDoS protection
• Better WebSocket performance: Improved message delivery
• Improved margin API: Real-time margin requirements for complex orders

🐛 Bug Fixes¶

• Fixed issue with historical data gaps during market holidays
• Resolved incorrect LTP for illiquid securities
• Fixed order book pagination issues

[v1.1.5] - 2024-07-22¶

🚀 Improvements¶

• Order execution speed: Improved performance
• Historical data: Added 5-minute candle intervals
• Position tracking: Enhanced positions API with average price calculations
• Better error codes: More specific error types for easier debugging

🐛 Bug Fixes¶

• Fixed timezone issues in historical data responses
• Resolved WebSocket authentication errors on reconnection
• Fixed incorrect holdings valuation for bonus shares

📚 Documentation¶

• Added JavaScript SDK examples
• Improved API Conventions documentation
• New examples for Portfolio API

[v1.1.0] - 2024-06-05¶

✨ New Features¶

• WebSocket API: Real-time market data streaming with <5ms latency
• Order Updates Stream: Real-time order and trade confirmations via WebSocket
• Historical Data API: Access 10+ years of OHLCV data
• Margin Calculator: Pre-calculate margin requirements before placing orders

🚀 Improvements¶

• API performance: 50% reduction in average response time
• Better authentication: More detailed token validation errors
• Enhanced holdings API: Added average price and P&L fields
• Improved instruments data: Daily updates with corporate actions

🐛 Bug Fixes¶

• Fixed order rejection for AMO (After Market Orders)
• Resolved issues with special characters in instrument names
• Fixed incorrect order status in edge cases

[v1.0.8] - 2024-04-15¶

🚀 Improvements¶

• Order placement: Reduced order execution time by 25%
• Market data: Added market depth (Level 2) data
• Portfolio API: Enhanced with realized P&L tracking
• Better logging: Improved request tracking for debugging

🐛 Bug Fixes¶

• Fixed issue with duplicate order IDs in rare cases
• Resolved rate limiting false positives
• Fixed incorrect exchange segment mapping for some instruments

📚 Documentation¶

• Added comprehensive Margin Calculation guide
• New examples for basket orders
• Improved Market Quotes documentation

[v1.0.5] - 2024-02-20¶

✨ New Features¶

• Positions API: Track open derivative positions with real-time P&L
• Trade History: New endpoint to retrieve detailed trade confirmations
• Instrument Master: Daily CSV file with all tradeable instruments

🚀 Improvements¶

• Better error handling: More descriptive error messages
• Enhanced order types: Added support for bracket orders
• Improved performance: Faster response times across all endpoints
• Security enhancements: Additional validation for order parameters

🐛 Bug Fixes¶

• Fixed issues with limit orders at circuit limits
• Resolved timeout errors during market open
• Fixed incorrect quantity validation for F&O orders

[v1.0.0] - 2024-01-10¶

🎉 Initial Release¶

The INDstocks Trading API v1 is now live!

Core Features¶

• Order Management: Place, modify, and cancel orders across all segments
• Market Data: Real-time quotes, LTP, and market depth
• Portfolio Management: Holdings, positions, and funds APIs
• Authentication: Simple token-based authentication
• User Profile: Access account details and preferences

Supported Segments¶

• Equity (NSE, BSE)
• Derivatives (Futures & Options)
• Currency derivatives
• Commodity derivatives

Technical Specs¶

• Rate limits: 10 orders/sec, 100 API calls/sec
• API access: Free (₹5 per order brokerage)

Version History Summary¶

Upcoming Features¶

We're constantly improving the INDstocks API. Here's what's coming next:

🔜 Q1 2025¶

• Algo Trading Framework: Built-in strategy templates and backtesting
• Advanced Analytics: Pre-built indicators and signals
• Mobile SDKs: Native iOS and Android SDKs
• GraphQL API: Alternative to REST for complex queries

🔮 Q2 2025¶

• Webhooks: Push notifications for order updates and triggers
• Enhanced Greeks: Historical Greeks data and implied volatility
• Social Trading: Copy trading and strategy sharing

💡 Roadmap¶

Want to influence our roadmap? Share your feature requests at api-feedback@indstocks.com

Deprecation Policy¶

We're committed to backwards compatibility:

• Deprecation notice: 12 months advance warning
• Support period: 24 months for deprecated features
• Migration guides: Provided for all breaking changes
• API versioning: Semantic versioning (MAJOR.MINOR.PATCH)

Currently Deprecated¶

No features are currently deprecated.

Migration Guides¶

Migrating from v1.2.x to v1.3.x¶

No breaking changes. All v1.2.x code is compatible with v1.3.x.

New optional fields: - Added greeks field to option quotes (opt-in via query parameter) - Added strategy_type field for multi-leg orders

Migrating from v1.1.x to v1.2.x¶

No breaking changes. All v1.1.x code is compatible with v1.2.x.

Enhanced features: - GTT orders now support multiple triggers (backwards compatible) - Historical data now includes adjusted prices (new field, old field unchanged)

Release Notes Format¶

Each release includes:

• ✨ New Features: Brand new capabilities
• 🚀 Improvements: Enhancements to existing features
• 🐛 Bug Fixes: Resolved issues and bugs
• 📚 Documentation: Documentation updates and additions
• ⚠️ Breaking Changes: Incompatible changes (rare, with migration guide)
• 🔒 Security: Security-related improvements

Stay Connected¶

• 📧 Email: api-updates@indstocks.com
• 📊 Status Page: status.indstocks.com
• 🐦 Twitter: @INDstocksApp
• 💬 Community: Developer community coming soon

Need Help?¶

Questions about a specific version or feature?

• Check our FAQ
• Read the API Overview
• Contact support at api-support@indstocks.com