Etherscan
Etherscan · Banking and investing
Blockchain explorer data for Ethereum and 50+ chains: balances, transactions and contracts
The client pastes their API key from Etherscan's settings. We store it encrypted.
Tested against Etherscan's live API.
Building with Etherscan? The docs have setup steps and code for every tool.
Open the Etherscan docsTools
Your agent calls any endpoint of Etherscan's API with the request tool, with the client's access attached.
Base URL for request
https://api.etherscan.io/v2
request
HTTPS ANY /v1/clients/{clientId}/etherscan/{path}
Any endpoint of Etherscan's own API, with the client's access attached.
- servicestringrequired
- This service: etherscan
- methodstringrequired
- GET, POST, PUT, PATCH or DELETE
- pathstringrequired
- The path under https://api.etherscan.io/v2
- queryobjectoptional
- Query parameters
- bodyobjectoptional
- A JSON body
Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.
What the client approves
- Use the Etherscan key you paste, with only the access you gave that key
Get started
Send your next client one link
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