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Version: 2.2

eth_feeHistory

Get Fee History​

POSThttps://site1.moralis-nodes.com/:chain/:apiKey

Retrieves historical data about transaction fees. The method returns the base fee per gas and reward (priority fee) ranges paid in each block for the requested block range. Useful for estimating appropriate fees for future transactions.

Note

Please refer to RPC schema page for more details on the RPC params and RPC response definitions of the RPC method.

PATH PARAMS
chainstringrequired
The blockchain to interact with.
apiKeystringrequired
Your API key for authentication.
BODY PARAM
jsonrpcstringrequired
JSON-RPC version (typically 2.0).
idnumberrequired
The request identifier.
methodstringrequired
The JSON-RPC method being invoked.
paramsrpcArrayrequired
Parameters for the fee history request, including the number of blocks to include, the target block, and the percentile ranges of transaction fees.
Responses
// Dependencies to install:
// $ npm install node-fetch --save
// add "type": "module" to package.json

import fetch from 'node-fetch';

const options = {
method: 'POST',
headers: {
accept: 'application/json',
'content-type': 'application/json'
},
body: JSON.stringify({
"jsonrpc": "2.0",
"id": 1,
"method": "eth_feeHistory"
})
};

fetch('https://site1.moralis-nodes.com/eth/YOUR_API_KEY', options)
.then(response => response.json())
.then(response => console.log(response))
.catch(err => console.error(err));
Response Example
{
"jsonrpc": "2.0",
"id": 1,
"result": {
"oldestBlock": "0x9cace7",
"baseFeePerGas": [
"0x4c4b40"
],
"gasUsedRatio": [
0.5
],
"reward": [
[
"0x34630b8a00"
]
]
}
}