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Airnode: Free, Open-Source Solution for Blockchain Smart Contracts
Airnode is a Web 3.0 oracle solution that connects blockchain-based smart contracts with web APIs, allowing them to access real-world data. It is a free, open-source service provided by KuCoin, enabling any Web API to connect to blockchain applications. The service acts as a bridge for on-chain applications on the blockchain to interact with off-chain, real-world data provided by Web APIs.