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INTRODUCTION The Basics Random Numbers API Calls Other Tutorials Basic Request Model Decentralized Data Model Off-Chain Reporting
USING DATA FEEDS Introduction to Data Feeds Get the Latest Price (EVM) Get the Latest Price (Solana) Historical Price Data Feed Registry API Reference ENS Ethereum Data Feeds Binance Smart Chain Data Feeds Polygon (Matic) Data Feeds xDai Data Feeds Huobi Eco Chain Data Feeds Avalanche Data Feeds Fantom Data Feeds Arbitrum Data Feeds Harmony Data Feeds Solana Data Feeds Optimism Data Feeds
USING RANDOMNESS Introduction to Chainlink VRF Get a Random Number API Reference Security Considerations Contract Addresses Best Practices
USING CHAINLINK KEEPERS Introduction Making Compatible Contracts Register Upkeep for a Contract Patterns and Best Practices Network Overview FAQs
USING ANY API Introduction to Using Any API Make a GET Request Make an Existing Job Request Multi-Variable Responses Large Responses Find Existing Jobs API Reference Contract Addresses
DEVELOPER REFERENCE Install Instructions LINK Token Contracts Developer Communications Getting Help Data Provider Nodes Hackathon Resources Contributing to Chainlink Install, configure & fund MetaMask Acquire testnet LINK Deploy your first contract Fund your contract Use your first contract!

Chainlink Smart Contract Docs

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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.

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Generate Verifiable Random Numbers

Use Chainlink VRF to consume randomness in your smart contracts.

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Call External APIs from Smart Contracts

Request & Receive data from any API using the Chainlink contract library.

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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.

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