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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

Enter your Etherscan API key, or set one up if you don't have one.

Query Parameters

chainid
string
required

Chain ID to query, eg 1 for Ethereum, 42161 for Arbitrum 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.

Response

200 - application/json

Successful response

status
string

1 if the request returned data, 0 otherwise. A status of 0 can indicate an error or a valid request that returned no records.

message
string

OK on success, otherwise an error description such as NOTOK. See common error messages.

result
string

Historical account balance at the given block, in wei. Use the unit converter to convert between units.