Testnet Data Feeds

The following documentation illustrates how to use our redundant Chainlink oracle infrastructure to retrieve custom, real-world data from any internet-based API, and write it to your testnet blockchain smart contract or Web3 dApp.

Please use the links below to build your first Chainlink request.

info

The fee for all of our testnet data feeds is 0 LINK (free).

• Arbitrum Sepolia Testnet

• Avalanche Fuji Testnet

• Base Sepolia Testnet

• Binance Testnet

• Celo Alfajores Testnet

• Ethereum Sepolia Testnet

• Fantom Testnet

• Optimism Sepolia Testnet

• Polygon Amoy Testnet

• Scroll Sepolia Testnet

• zkSync Sepolia Testnet

• Polygon zkEVM Testnet

Troubleshooting

Having technical difficulties with your request? Check our Chainlink Direct Requests FAQ.

Need more help?

• Join our Discord server for the fastest assistance with your request. We are happy to support custom data requests!
• Check out our User FAQ for common questions asked by our customers.