polymarket-api

Complete integration guide for Polymarket's CLOB and Gamma APIs with order execution and market data. This skill provides comprehensive guidance for integrating with Polymarket's APIs and smart contracts. Base URL: Base URL: Always implement exponential backoff and request queuing. - Covers three authentication levels (public market data, signer key derivation, authenticated trading) with endpoints for orderbooks, pricing, positions, and order management - Includes Python client patterns for market data fetching, limit order placement, WebSocket subscriptions, and real-time updates via py_clob_client library - Supports four order types (GTC, GTD, FOK, IOC) with price calculations for implied probability, cost estimation, and P&L tracking - Provides error handling for common failures (insufficient balance, invalid price) and rate limit guidance (100–1000 req/min depending on endpoint tier) - References key Polygon contract addresses for CTF Exchange, Conditional Tokens, and USDC integration - Level 0 (Public) : Market data, orderbooks, prices - Level 1 (Signer) : Create/derive API keys - Level 2 (Authenticated) : Trading, orders, positions - GTC (Good Till Cancelled): Stays until filled or cancelled - GTD (Good Till Date): Expires at specified time - FOK (Fill or Kill): Must fill entirely or cancel - IOC (Immediate or Cancel): Fill what's available, cancel rest - Public...