

Build hybrid smart contracts with Chainlink.
Chainlink API is a free Blockchain API that requires no API key, is served over HTTPS and has unconfirmed CORS support.
The Chainlink DevHub is how you learn to use the Chainlink platform. Jump into product demos, get started with curated tutorials, and find live events to attend.
Details from chain.link.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
RPC endpoints for 150+ blockchain networks, including Ethereum, Solana, Polkadot and Hyperliquid
The Chainlink API is provided by Chainlink DevHub (chain.link). The Chainlink DevHub is how you learn to use the Chainlink platform. Jump into product demos, get started with curated tutorials, and find live events to attend.
Yes. The Chainlink API is listed in the Blockchain category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The Chainlink API requires no authentication, so you can start making requests without signing up.
CORS support for the Chainlink API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Chainlink API is served over HTTPS, so it's safe to use in production.