If baseFee is undefined in the header, it returns the unit price from the governance parameter
If the block is a pending block, it returns the gas price of the txpool.
Otherwise, it returns the base fee of the given block.

📘
Supported on Klaytn (mainnet) only.

Parameters

Request

Type	Description
NUMBER	Block number. If omitted, latest unit price will be returned.

Result

Type	Description
QUANTITY	Integer of the current gas price in peb.

API Endpoint

The format of a Klaytn API endpoint is
https://open-platform.nodereal.io/{{apiKey}}/klaytn/

Here is an example:
https://open-platform.nodereal.io/4c0a1c23661a4e26bcbcwed461e34ea9/klaytn/

Example

// Request
curl https://open-platform.nodereal.io/{{apiKey}}/klaytn/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0","method":"klay_gasPriceAt","params":["0x64"],"id":1}' 

// Result
{
  "jsonrpc": "2.0",
  "id":1,
  "result": "0xAE9F7BCC00" // 250,000,000,000 peb = 250 ston
}