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Build powerful smart contracts with Chainlink

Chainlink gives blockchain developers an easy-to-use framework for writing advanced smart contracts that connect to external data and systems.

Start building with Chainlink docs

Chainlink gives smart contract developers the oracle infrastructure and tooling they need to build applications around highly reliable external data and APIs.

We're here to help

Chainlink has a vibrant global community. Our team members and ambassadors are eager to help developers of any background.

Chainlink engineering tutorials

Step-by-step tutorials

We've compiled a series of tutorials designed to teach the basics of smart contracts and how to use them to consume data from the Chainlink oracle ecosystem.

Video tutorials

Get started with Chainlink guides

New to smart contracts?

Try our beginner walkthrough

Built on well researched principles

Our global research program enhances Chainlink’s set of features by following a defense in depth approach and sticking to a proven set of academic research principles.

Chainlink OCR

Town Crier


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