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POST
/
2fc1de7f08c0465f6a28e3c355e0cb14
eth_maxPriorityFeePerGas
curl --request POST \
  --url https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14 \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "eth_maxPriorityFeePerGas",
  "id": 1
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}
Base API method eth_maxPriorityFeePerGas queries the current maximum priority fee per gas. This method is particularly useful in periods of high network congestion to estimate the appropriate priority fee for a transaction.
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​
Parameters

This method does not require any parameters.

​
Response

  • result — the current maximum priority fee per gas, returned as a hexadecimal string.

​
Use case

The eth_maxPriorityFeePerGas method is essential for:
  • Wallets and transaction builders that dynamically adjust transaction fees to ensure timely inclusion in a block.
  • Users and services looking to estimate transaction costs more accurately during periods of network congestion.
  • Developers and analysts monitoring Base network fee dynamics.

Body

application/json
​
jsonrpc
string
default:2.0
required
​
method
string
default:eth_maxPriorityFeePerGas
required
​
id
integer
default:1
required

Response

200 - application/json

Current maximum priority fee per gas

​
jsonrpc
string
​
id
integer
​
result
string
Last modified on May 18, 2026