UMA's Optimistic Oracle allows contracts to quickly request and receive data information. The oracle proposes prices and these prices are sent to their Data Verification Mechanism only if disputed. Developers can use their contracts to obtain price information for any length of time without the price needing to be written on chain.
Create trustless applications that interact with Web APIs.
Band Protocol aggregates and connects real-world data and APIs to smart contracts.
Chainlink decentralized oracle networks support advanced smart contracts on any blockchain.
Chronicle builds scalable, cost-efficient, decentralized oracles to overcome on-chain data limitations.
DIA is a multi-chain, end-to-end, open-source data and oracle platform for Web3.
Hyper Oracle is a programmable zkOracle protocol.