[0.2.0] - 2026-01-01

Added

• RTDS (Real-Time Data Socket) client for real-time crypto prices (Binance, Chainlink) and comments streaming
• RFQ (Request for Quote) API client with order builder for requesting and filling quotes
• Type-safe HTTP request builder with phantom types for compile-time auth enforcement
• Per-module Logs.Src structured logging for fine-grained log filtering
• PPX enum deriver (ppx_polymarket_enum) for zero-boilerplate string enums
• Extra field detection logging for API responses (forward compatibility warnings)
• WebSocket high-level client modules (Market, User) with subscription management
• Route-based rate limiter with GCRA algorithm and configurable behavior (delay/error)
• with_l1_auth and with_l2_auth helpers to Builder for ergonomic authentication
• Order builder modules for CLOB and RFQ with crypto signing

Changed

• Migrated logging from Common.Logger to per-module Logs.Src for better filtering
• Reorganized lib into generic/ (reusable) and polymarket/ (API-specific) directories
• Made private_key abstract with Private submodule pattern for type safety
• Renamed WSS module to wss_api for consistency with other API modules
• Simplified types and consolidated API client structure

Fixed

• Thread-safe hash table access in rate limiter state
• Regex patterns in odoc comments causing doc generation errors

[0.1.0] - 2024-12-15

Added

• CLOB API client with order book, pricing, and trading endpoints
• L1 authentication (EIP-712 wallet signing) for API key management
• L2 authentication (HMAC-SHA256) for authenticated trading endpoints
• Crypto module with keccak256, HMAC-SHA256, secp256k1 signing, and address derivation
• CLOB API demo (examples/clob_api_demo.ml)
• POST and DELETE methods with custom headers to Http_client
• Gamma API client with full endpoint coverage (teams, tags, events, markets, series, comments, profiles, sports, search)
• Structured logging via Common.Logger with configurable log levels (debug, info, off)
• POLYMARKET_LOG_LEVEL environment variable for controlling log output
• File output support for logging via POLYMARKET_LOG_FILE environment variable
• Gamma API demo (examples/gamma_api_demo.ml)
• TLS support for secure API connections
• Testing framework for reliable development
• Live demo functionality
• Error handling and JSON helpers to Http_client
• Generic Http_client module for reuse across APIs

Changed

• Restructured lib directory for multi-API support
• Moved Http_client to its own module (lib/http_client/)
• Consolidated logging into Common.Logger module
• Refactored client to use pipe pattern for parameter building

Removed

• Redundant tests now covered by dependency libraries