
API3
API3 is a first-party oracle solution that provides data feeds and OEV rewards for DeFi projects across multiple chains.

What is API3?
API3 is a first-party oracle solution launched in December 2020 that provides data feeds and Oracle Extractable Value (OEV) rewards for DeFi projects. The platform offers over 100 data feeds across multiple chains, enabling DeFi protocols to receive OEV rewards wherever they build. API3's proprietary Airnode technology allows API owners to turn regular APIs into blockchain-compatible data sources that can be easily integrated into Web3 applications. Developers can use APIs to connect their dapps to real-world data streams.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

