BlockchainDwellir
RPC endpoints for 150+ blockchain networks, including Ethereum, Solana, Polkadot and Hyperliquid
apiKeyHTTPSCORS
Blockchain
Etherscan
Ethereum explorer API.
Etherscan API is a free Blockchain API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
- Authentication
- apiKey
- HTTPS
- Yes
- CORS
- Yes
- Category
- Blockchain
Visit documentation ↗etherscan.io
About Etherscan APIs
Etherscan APIs derives data from Etherscan’s Ethereum (ETH) Block Explorer to cater for Ethereum applications through API Endpoints & API Pro Endpoints.
- Provider
- Etherscan APIs
- Website
- etherscan.io ↗
Details from etherscan.io.
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Etherscan API FAQ
Who provides the Etherscan API?
The Etherscan API is provided by Etherscan APIs (etherscan.io). Etherscan APIs derives data from Etherscan’s Ethereum (ETH) Block Explorer to cater for Ethereum applications through API Endpoints & API Pro Endpoints.
Is the Etherscan API free?
Yes. The Etherscan 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 Etherscan API require an API key?
Yes. The Etherscan API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the Etherscan API from the browser?
Yes. The Etherscan API supports CORS, so front-end JavaScript can call it directly.
Does the Etherscan API support HTTPS?
Yes. The Etherscan API is served over HTTPS, so it's safe to use in production.