CHANGELOG.md

Changelog

All notable changes to py-alpaca-api will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[3.0.1] - 2025-09-20

Overview

Complete implementation of all Alpaca Market Data API endpoints, achieving 100% API coverage for both Trading and Market Data APIs.

Added

• ✅ Complete Market Data API Coverage - All 11 endpoints now implemented
  • Historical Quotes API (quotes.get_historical_quotes()) - Bid/ask quotes with spread calculations
  • Historical Auctions API (auctions.get_auctions(), auctions.get_daily_auctions()) - Opening and closing auction data
  • Company Logos API (logos.get_logo(), logos.save_logo(), logos.get_logo_url()) - Company logo retrieval
  • Latest Bars API (history.get_latest_bars()) - Get the most recent bar for symbols
• ✅ Complete Trading API Coverage - All 28 endpoints fully implemented
  • get_all_orders() method for comprehensive order retrieval with filtering
• 📚 Enhanced Documentation
  • Complete documentation for all new modules
  • Code examples for quotes, auctions, and logos
  • Updated README with all new features
• 🧪 Comprehensive Testing - 350+ tests with full coverage
  • 18 tests for logos functionality
  • 11 tests for historical quotes
  • 14 tests for historical auctions
  • 8 tests for latest bars

Changed

• Extended Requests class to support raw binary responses for logo retrieval
• Updated documentation structure to include all new modules

Fixed

• Type checking issues in auctions module with DataFrame aggregation
• Control flow in logos module for better error handling

[3.0.0] - Unreleased

Overview

Major release adding complete Alpaca Stock API coverage, performance improvements, and real-time data support.

Added

• 📋 Comprehensive development plan (DEVELOPMENT_PLAN.md)
• 🏗️ New v3.0.0 branch structure for organized development

Planned Features (In Development)

Phase 1: Critical Missing Features

• Corporate Actions API - Track dividends, splits, mergers
• Trade Data Support - Access to individual trade data
• Market Snapshots - Current market overview for symbols

Phase 2: Important Enhancements

• Account Configuration Management
• Enhanced Order Management (replace, extended hours)
• Market Metadata (condition codes, exchange codes)

Phase 3: Performance & Quality

• Batch Operations for multiple symbols
• Feed Management System (IEX/SIP/OTC)
• Caching System with configurable TTL

Phase 4: Advanced Features

• WebSocket Streaming Support
• Async/Await Implementation

Changed

• Restructured project for v3.0.0 development

Deprecated

• None

Removed

• None

Fixed

• None

Security

• None

[2.2.0] - 2024-12-15

Added

• Stock analysis tools with ML predictions
• Market screener for gainers/losers
• News aggregation from multiple sources
• Sentiment analysis for stocks
• Prophet integration for price forecasting

Changed

• Improved error handling across all modules
• Enhanced DataFrame operations
• Better type safety with mypy strict mode

Fixed

• Yahoo Finance news fetching reliability
• DataFrame type preservation issues
• Prophet seasonality parameter handling

[2.1.0] - 2024-11-01

Added

• Watchlist management functionality
• Portfolio history tracking
• Market calendar support
• Extended order types (bracket, trailing stop)

Changed

• Improved pagination for large datasets
• Better rate limit handling

Fixed

• Order validation for fractional shares
• Timezone handling in market hours

[2.0.0] - 2024-09-15

Added

• Complete rewrite with modular architecture
• Full type hints and mypy support
• Comprehensive test suite (109+ tests)
• Separate trading and stock modules

Changed

• Breaking: New API structure with PyAlpacaAPI class
• Breaking: All methods now return typed dataclasses
• Improved error handling with custom exceptions

Removed

• Legacy API methods
• Deprecated authentication methods

[1.0.0] - 2024-06-01

Added

• Initial release
• Basic trading operations
• Market data retrieval
• Account management

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For detailed migration guides between versions, see MIGRATION.md