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GET
/
v2
/
api
curl "https://api.etherscan.io/v2/api?chainid=1&module=block&action=getblockcountdown&blockno=16701588&apikey=YourApiKeyToken"

{
  "status": "0",
  "message": "NOTOK",
  "result": "Error! Block number already pass"
}

​
Query Parameters

​
apikey
string
default:"YourApiKeyToken"
Your Etherscan API key.
​
chainid
string
default:"1"
Chain ID you query, eg 1 for Ethereum, 8453 for Base from our supported chains.
​
module
string
default:"block"
Set to block for this endpoint.
​
action
string
default:"getblockcountdown"
Set to getblockcountdown for this endpoint.
​
blockno
integer
default:"16701588"
Block number to estimate time remaining for.
curl "https://api.etherscan.io/v2/api?chainid=1&module=block&action=getblockcountdown&blockno=16701588&apikey=YourApiKeyToken"

{
  "status": "0",
  "message": "NOTOK",
  "result": "Error! Block number already pass"
}
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