KlayOracle

KlayOracle is an open-source oracle framework that supplies off-chain data to Klaytn smart contracts. Data providers define sources, request formats and reducer functions in JSON feed files; adapters aggregate the responses and write results into oracle contracts deployed on chain, where lending, DEX and yield aggregation applications read them. It addresses the limited choice of price sources on Klaytn and the cost of integrating large oracle networks, by leaving both nodes and adapters to whoever is integrating them.

Price feeds cover crypto assets such as KLAY/USD, BTC/USD and ETH/USD as well as equities including TSLA, NVDA, AAPL, AMZN, META, MSFT, GOOGL and JPM, all reported with 9 decimals, with contracts deployed on the Klaytn Cypress mainnet. Beyond prices the framework offers verifiable random numbers for NFT identifier generation and game outcomes. Nodes poll data sources at the configured interval and aggregate results, with several nodes feeding in parallel to spread single-source dependence. It is discussed as a Klaytn-native oracle option.