Chainlink
Connecting blockchains with the world beyond them.
Chainlink is an oracle platform that connects blockchains with external data and services. Its infrastructure helps developers build smart contracts that can use information from outside the blockchain and communicate across networks.
Data. Connectivity.
On-chain applications.
Products & services
Data Feeds
Market data for smart contracts, including pricing inputs for lending, derivatives and other on-chain applications.
Learn more about Data FeedsCross-Chain (CCIP)
Infrastructure for moving data and tokens between blockchains and connecting applications across networks.
Learn more about Cross-Chain (CCIP)Proof of Reserve
Reserve data that helps applications monitor the assets backing supported on-chain products.
Learn more about Proof of ReserveWho they help
Application developers
Connect smart contracts to external information and services.
DeFi protocols
Use market-data inputs across lending and trading applications.
Asset issuers & institutions
Explore infrastructure for tokenized assets and cross-chain connectivity.