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OpenParablePublic APIs

Chainlink API

No authHTTPSBlockchain
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Overview

Build hybrid smart contracts with Chainlink

Chainlink is a blockchain API. It needs no API key. It is served over HTTPS.

At a glance

Authentication
No auth
HTTPS
Yes
CORS
Unknown
Category
Blockchain

Questions

Does the Chainlink API need an API key?

No. The Chainlink API can be called without an API key or sign-up, which makes it handy for prototypes and front-end demos.

Does the Chainlink API support HTTPS?

Yes, the Chainlink API is served over HTTPS.

What are alternatives to the Chainlink API?

Other Blockchain APIs include Nownodes, Blockscout, Etherscan, Helium, Dwellir.

Compare alternatives →

Nownodes

Blockchain

Blockchain-as-a-service solution that provides high-quality connection via API

API key

Blockscout

Blockchain

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

API keyCORS

Etherscan

Blockchain

Ethereum explorer API

API keyCORS

Helium

Blockchain

Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage

No auth

Dwellir

Blockchain

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

API keyCORS

The Graph

Blockchain

Indexing protocol for querying networks like Ethereum with GraphQL

API key

Listed from public-apis (MIT), public-apis database (MIT).