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Live Coin Watch is a cryptocurrency market data platform offering real-time price tracking, portfolio management, and historical market analytics. It aggregates data from numerous crypto exchanges and provides detailed metrics such as market capitalization, trading volume, liquidity, order book depth, and price changes across multiple timeframes. The platform is accessible via a web interface and a robust RESTful API designed for developers and product teams needing reliable crypto market data.

The Live Coin Watch API supports a single POST method with JSON input and output, requiring an API key for authentication. It offers endpoints for fetching aggregated market overviews, historical data, individual coin details by symbol or contract address, exchange information, fiat currencies, and supported blockchain platforms. The API is designed for ease of integration, with code examples provided in multiple programming languages including JavaScript, Python, PHP, C#, Swift, Ruby, Go, and Java.

What sets Live Coin Watch apart is its simplicity and consistency: all API calls use the same domain and method, with a unified JSON format and a single currency parameter to specify the desired fiat or crypto denomination. It enforces a daily credit limit per API key to manage usage. The platform also provides trending coin data, recently added tokens, and detailed exchange statistics, making it a comprehensive tool for developers building crypto dashboards, portfolio trackers, or analytics platforms. Getting started involves signing up for a free API key on their website and following the well-documented API reference to integrate data into applications.