Chainlink Smart Contract Docs
Chainlink turns your smart contracts into hybrid smart contracts, giving them access to real-world data and services.
Get Data Feeds in your Smart Contracts
Retrieve the latest prices and data points of assets in your smart contracts.
Generate Verifiable Random Numbers
Use Chainlink VRF to consume randomness in your smart contracts.
Call External APIs from Smart Contracts
Request & Receive data from any API using the Chainlink contract library.
Automate and Maintain with Chainlink Keepers
Chainlink Keepers provide smart contract developers, decentralized applications (dApps), and decentralized autonomous organizations (DAOs) with a highly reliable, decentralized, and cost-efficient method of automating smart contract functions and regular contract maintenance.
New to Ethereum and Smart Contracts?
Build your first smart contract connected to off-chain data with our Beginner's WalkthroughStart Building