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GET
Get Historical Native Balance for an Address
This is a PRO endpoint, available to the Standard Plan and above
This endpoint is throttled to 2 calls/second regardless of API Pro tier.

Authorizations

apikey
string
query
required

Your Etherscan API key.

Query Parameters

chainid
string
required

Chain ID to query, eg 1 for Ethereum, 8453 for Base from our supported chains.

module
string
default:account
required

Set to account for this endpoint.

action
string
default:balancehistory
required

Set to balancehistory for this endpoint.

address
string
required

The address to query, like 0xfefefefefefefefefefefefefefefefefefefefe.

blockno
integer
required

Block number to check balance at, all the way up to the genesis block 0.