Blocks

Get Block Rewards by BlockNo

Returns the block reward and 'Uncle' block rewards.

https://api-sepolia.basescan.org/api
   ?module=block
   &action=getblockreward
   &blockno=1209493
   &apikey=YourApiKeyToken

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Request

Query Parameters

Parameter	Description
blockno	the integer block number to check block rewards for eg. 12697906

Response

Sample Response

{
  "status": "1",
  "message": "OK",
  "result": {
    "blockNumber": "1209493",
    "timeStamp": "1698187274",
    "blockMiner": "0x4200000000000000000000000000000000000011",
    "blockReward": "0",
    "uncles": [],
    "uncleInclusionReward": "0"
  }
}

​​ ⏳ Tip : The timestamp field is denoted in Unix timestamp.

Get Estimated Block Countdown Time by BlockNo

Returns the estimated time remaining, in seconds, until a certain block is mined.

https://api-sepolia.basescan.org/api
   ?module=block
   &action=getblockcountdown
   &blockno=4316361
   &apikey=YourApiKeyToken

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Request

Query Parameters

Parameter	Description
blockno	the integer block number to estimate time remaining to be mined eg. 12697906

Response

Sample Response

{
  "status": "1",
  "message": "OK",
  "result": {
    "CurrentBlock": "3339638",
    "CountdownBlock": "4316361",
    "RemainingBlock": "976723",
    "EstimateTimeInSec": "1953461.0"
  }
}

Get Block Number by Timestamp

Returns the block number that was mined at a certain timestamp.

https://api-sepolia.basescan.org/api
   ?module=block
   &action=getblocknobytime
   &timestamp=1702447596
   &closest=before
   &apikey=YourApiKeyToken

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Request

Query Parameters

Parameter	Description
timestamp	the integer representing the Unix timestamp in seconds.
closest	the closest available block to the provided timestamp, either before or after

⏳ Tip : Convert a regular date-time to a Unix timestamp.

Response

Sample Response

{
   "status":"1",
   "message":"OK",
   "result":"3339654"
}