Etherscan APIs provide developers with essential tools for accessing Ethereum blockchain data, including transaction histories, token balances, smart contract interactions, and gas price estimates. As the most widely used Ethereum block explorer, Etherscan's API benefits from extensive documentation, community support, and proven reliability at scale. The free tier supports development and small projects, while paid plans handle production workloads. The API is effectively a standard component of the Ethereum development stack. However, the listing appears to be in a deleted or inactive category, which limits its current relevance on this platform. The underlying service remains excellent -- Etherscan is indispensable infrastructure for the Ethereum ecosystem. Developers should access it directly rather than through this directory listing.

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Site: Etherscan API (ID: 215)