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POST
/
evm
eth_maxPriorityFeePerGas
curl --request POST \
  --url https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "eth_maxPriorityFeePerGas",
  "params": [],
  "id": 1
}
'
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x0"
}
This method is available on Chainstack. Not all Hyperliquid methods are available on Chainstack, as the open-source node implementation does not support them yet — see Hyperliquid methods for the full availability breakdown.
Returns the current maximum priority fee per gas for EIP-1559 transactions. On Hyperliquid, this method always returns zero as priority fees are not used.
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​
Parameters

This method takes no parameters.

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Returns

Returns the maximum priority fee per gas as a hexadecimal string. On Hyperliquid, this is always "0x0".
On Hyperliquid, priority fees are always zero. The network uses only base fees for transaction pricing, so setting a priority fee will not affect transaction inclusion speed or priority.

​
cURL example

curl -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_maxPriorityFeePerGas","params":[],"id":1}' \
  https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm
Example response: 
{"jsonrpc":"2.0","id":1,"result":"0x0"}

​
Use cases

  • EIP-1559 compatibility — Maintain compatibility with EIP-1559 transaction format
  • Wallet applications — Handle priority fee queries for cross-chain compatibility
  • Fee estimation — Calculate transaction costs knowing priority fees are zero
  • Protocol integration — Integrate with protocols that query priority fees

Body

application/json
​
jsonrpc
enum<string>
default:2.0
required

JSON-RPC version

Available options:
2.0
​
method
enum<string>
default:eth_maxPriorityFeePerGas
required

The RPC method name

Available options:
eth_maxPriorityFeePerGas
​
params
array
required

No parameters required

​
id
integer
default:1
required

Request identifier

Response

200 - application/json

Successful response with the maximum priority fee per gas

​
jsonrpc
string

JSON-RPC version

​
id
integer

Request identifier

​
result
string

The maximum priority fee per gas in wei as a hexadecimal string

Last modified on May 18, 2026