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Mainnet 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 mainnet blockchain smart contract or Web3 dApp.

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


Pricing for mainnet data requests varies by data type and chain. You can find specific pricing info for each request type within the corresponding documentation pages below.


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.
  • As part of our free development services offerings, we are happy to support custom data requests, external adapter development / hosting, and consumer contract design for our mainnet customers (up-front request deposit applies).
  • Check out our User FAQ for common questions asked by our customers.