eth_maxPriorityFeePerGas | Monad

Monad API method that returns a suggestion for the max priority fee per gas (tip) to use in EIP-1559 transactions. Monad via Chainstack.

POST

eth_maxPriorityFeePerGas

cURL

curl --request POST \
  --url https://monad-testnet.core.chainstack.com/9c5b265f20b3ea5df4f54f70eb74b800/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_maxPriorityFeePerGas",
  "params": []
}
'

200

{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}

Monad API method that returns a suggestion for the max priority fee per gas (tip) to use in EIP-1559 transactions. This method helps you determine an appropriate tip to incentivize validators to include your transaction.

Monad-specific behavior: Currently returns a hardcoded suggested fee of 2 gwei. This is temporary and will be updated with dynamic fee estimation in the future.

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Parameters

• none

Response

• result — the suggested max priority fee per gas in wei, encoded as hexadecimal.

eth_maxPriorityFeePerGas code examples

ethers.js

const { ethers } = require("ethers");

const provider = new ethers.JsonRpcProvider("CHAINSTACK_NODE_URL");

async function getMaxPriorityFee() {
  const maxPriorityFee = await provider.send("eth_maxPriorityFeePerGas", []);
  console.log(`Max priority fee: ${parseInt(maxPriorityFee, 16)} wei`);
  console.log(`Max priority fee: ${ethers.formatUnits(maxPriorityFee, "gwei")} gwei`);
}

getMaxPriorityFee();

Use case

A practical use case for eth_maxPriorityFeePerGas is dynamically setting the priority fee for EIP-1559 transactions to ensure competitive inclusion times while avoiding overpaying during low-congestion periods.

Body

application/json

id · integer · default: 1

jsonrpc · string · default: 2.0

method · string · default: eth_maxPriorityFeePerGas

params · array

Response

200 - application/json

The max priority fee per gas in wei.

jsonrpc · string

id · integer

result · string