Etherscan API
Overview
Ethereum explorer API
Etherscan is a blockchain API. Requests are authenticated with an API key. It is served over HTTPS and allows browser requests (CORS).
At a glance
- Authentication
- API key
- HTTPS
- Yes
- CORS
- Yes
- Category
- Blockchain
Questions
Does the Etherscan API need an API key?
Yes. The Etherscan API uses API key authentication; the documentation explains how to get credentials.
Can I call the Etherscan API from the browser?
Yes. The Etherscan API sends CORS headers, so a web page can call it directly with fetch().
Does the Etherscan API support HTTPS?
Yes, the Etherscan API is served over HTTPS.
What are alternatives to the Etherscan API?
Other Blockchain APIs include Nownodes, Blockscout, Chainlink, Helium, Dwellir.
Similar blockchain APIs
Compare alternatives →Nownodes
BlockchainBlockchain-as-a-service solution that provides high-quality connection via API
Blockscout
BlockchainMultichain block explorer REST API (with Etherscan-compatible JSON-RPC)
Chainlink
BlockchainBuild hybrid smart contracts with Chainlink
Helium
BlockchainHelium is a global, distributed network of Hotspots that create public, long-range wireless coverage
Dwellir
BlockchainRPC endpoints for 150+ blockchain networks, including Ethereum, Solana, Polkadot and Hyperliquid
The Graph
BlockchainIndexing protocol for querying networks like Ethereum with GraphQL
Listed from public-apis (MIT), public-apis database (MIT).