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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Blockchain
  3. /Chainlink
Blockchain
Chainlink logo

Chainlink

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.

Authentication
None required
HTTPS
Yes
CORS
Unknown
Category
Blockchain
Visit documentation ↗chain.link

About Chainlink DevHub

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.

Provider
Chainlink DevHub
Website
chain.link ↗

Details from chain.link.

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Chainlink API alternatives

Blockscout logo

Blockscout

Multichain block explorer REST API (with Etherscan-compatible JSON-RPC)

apiKeyHTTPSNo CORS
Chainpoint logo

Chainpoint

Chainpoint is a global network for anchoring data to the Bitcoin blockchain

No authHTTPSCORS ?
Bitquery logo

Bitquery

Onchain GraphQL APIs & DEX APIs

apiKeyHTTPSCORS
ClearTrace logo

ClearTrace

Cross-frontend DEX attribution and execution quality data across Ethereum and L2s

No authHTTPSCORS
Covalent logo

Covalent

Multi-blockchain data aggregator platform

apiKeyHTTPSCORS ?
Dwellir logo

Dwellir

RPC endpoints for 150+ blockchain networks, including Ethereum, Solana, Polkadot and Hyperliquid

apiKeyHTTPSCORS

Chainlink API FAQ

Who provides the Chainlink API?

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.

Is the Chainlink API free?

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.

Does the Chainlink API require an API key?

No. The Chainlink API requires no authentication, so you can start making requests without signing up.

Can I call the Chainlink API from the browser?

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.

Does the Chainlink API support HTTPS?

Yes. The Chainlink API is served over HTTPS, so it's safe to use in production.