eth_feeHistory RPC Method

Parameters

blockCount

string/integer

REQUIRED

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newestBlock

string

REQUIRED

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rewardPercentiles

array

REQUIRED

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Returns

oldestBlock

string

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baseFeePerGas

array

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gasUsedRatio

array

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baseFeePerBlobGas

array

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blobGasUsedRatio

array

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reward

array

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Request

1
curl -X POST "https://docs-demo.b3-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "eth_feeHistory",
6
  "params": [
7
    4,
8
    "latest",
9
    [
10
      25,
11
      75
12
    ]
13
  ],
14
  "id": 1
15
}'

1
curl -X POST "https://docs-demo.b3-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "eth_feeHistory",
6
  "params": [
7
    4,
8
    "latest",
9
    [
10
      25,
11
      75
12
    ]
13
  ],
14
  "id": 1
15
}'

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.b3-mainnet.quiknode.pro/");
5
    const response = await provider.send("eth_feeHistory", [
6
    4,
7
    "latest",
8
    [
9
        25,
10
        75
11
    ]
12
]);
13
    console.log(response);
14
}
15

16
main();

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.b3-mainnet.quiknode.pro/");
5
    const response = await provider.send("eth_feeHistory", [
6
    4,
7
    "latest",
8
    [
9
        25,
10
        75
11
    ]
12
]);
13
    console.log(response);
14
}
15

16
main();

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.b3-mainnet.quiknode.pro/'
4
payload = {
5
    "jsonrpc": "2.0",
6
    "method": "eth_feeHistory",
7
    "params": [
8
        4,
9
        "latest",
10
        [
11
            25,
12
            75
13
        ]
14
    ],
15
    "id": "1"
16
}
17

18
response = client.send(payload.to_json)
19
puts response

1
require 'eth'
2

3
client = Eth::Client.create 'https://docs-demo.b3-mainnet.quiknode.pro/'
4
payload = {
5
    "jsonrpc": "2.0",
6
    "method": "eth_feeHistory",
7
    "params": [
8
        4,
9
        "latest",
10
        [
11
            25,
12
            75
13
        ]
14
    ],
15
    "id": "1"
16
}
17

18
response = client.send(payload.to_json)
19
puts response

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.b3-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("eth_feeHistory", [4,"latest",[25,75]])
4
print(response)

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.b3-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("eth_feeHistory", [4,"latest",[25,75]])
4
print(response)

1
import { createPublicClient, http } from 'viem'
2

3
async function main() {
4
    const client = createPublicClient({
5
        transport: http('https://docs-demo.b3-mainnet.quiknode.pro/')
6
    })
7

8
    const result = await client.request({
9
        method: 'eth_feeHistory',
10
        params: [
11
          4,
12
          "latest",
13
          [
14
            25,
15
            75
16
          ]
17
        ]
18
    })
19

20
    console.log(result)
21
}
22

23
main()

1
import { createPublicClient, http } from 'viem'
2

3
async function main() {
4
    const client = createPublicClient({
5
        transport: http('https://docs-demo.b3-mainnet.quiknode.pro/')
6
    })
7

8
    const result = await client.request({
9
        method: 'eth_feeHistory',
10
        params: [
11
          4,
12
          "latest",
13
          [
14
            25,
15
            75
16
          ]
17
        ]
18
    })
19

20
    console.log(result)
21
}
22

23
main()

1
import { Core } from '@quicknode/sdk'
2

3
const core = new Core({
4
  endpointUrl: "https://docs-demo.b3-mainnet.quiknode.pro/",
5
})
6

7
core.client
8
  .request({
9
    method: 'eth_feeHistory',
10
    params: [4,"latest",[25,75]]
11
  })
12
  .then(res => console.log(res))

1
import { Core } from '@quicknode/sdk'
2

3
const core = new Core({
4
  endpointUrl: "https://docs-demo.b3-mainnet.quiknode.pro/",
5
})
6

7
core.client
8
  .request({
9
    method: 'eth_feeHistory',
10
    params: [4,"latest",[25,75]]
11
  })
12
  .then(res => console.log(res))

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'eth_feeHistory',
4
    params: [4,"latest",[25,75]],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.b3-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'eth_feeHistory',
4
    params: [4,"latest",[25,75]],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.b3-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
import requests
2
import json
3

4
url = "https://docs-demo.b3-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "eth_feeHistory",
9
  "params": [
10
    4,
11
    "latest",
12
    [
13
      25,
14
      75
15
    ]
16
  ],
17
  "id": 1
18
})
19
headers = {
20
  'Content-Type': 'application/json'
21
}
22

23
response = requests.request("POST", url, headers=headers, data=payload)
24

25
print(response.text)

1
import requests
2
import json
3

4
url = "https://docs-demo.b3-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "eth_feeHistory",
9
  "params": [
10
    4,
11
    "latest",
12
    [
13
      25,
14
      75
15
    ]
16
  ],
17
  "id": 1
18
})
19
headers = {
20
  'Content-Type': 'application/json'
21
}
22

23
response = requests.request("POST", url, headers=headers, data=payload)
24

25
print(response.text)

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.b3-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "eth_feeHistory",
11
  params: [4,"latest",[25,75]]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.b3-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "eth_feeHistory",
11
  params: [4,"latest",[25,75]]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

Response

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": {
5
    "oldestBlock": "0x2c13d87",
6
    "reward": [
7
      [
8
        "0x0",
9
        "0x0"
10
      ],
11
      [
12
        "0x0",
13
        "0x0"
14
      ],
15
      [
16
        "0x0",
17
        "0x0"
18
      ],
19
      [
20
        "0x0",
21
        "0x0"
22
      ]
23
    ],
24
    "baseFeePerGas": [
25
      "0xfc",
26
      "0xfc",
27
      "0xfc",
28
      "0xfc",
29
      "0xfc"
30
    ],
31
    "gasUsedRatio": [
32
      0.0014614,
33
      0.001741,
34
      0.0014614,
35
      0.001741
36
    ],
37
    "baseFeePerBlobGas": [
38
      "0x1",
39
      "0x1",
40
      "0x1",
41
      "0x1",
42
      "0x1"
43
    ],
44
    "blobGasUsedRatio": [
45
      0,
46
      0,
47
      0,
48
      0
49
    ]
50
  }
51
}

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": {
5
    "oldestBlock": "0x2c13d87",
6
    "reward": [
7
      [
8
        "0x0",
9
        "0x0"
10
      ],
11
      [
12
        "0x0",
13
        "0x0"
14
      ],
15
      [
16
        "0x0",
17
        "0x0"
18
      ],
19
      [
20
        "0x0",
21
        "0x0"
22
      ]
23
    ],
24
    "baseFeePerGas": [
25
      "0xfc",
26
      "0xfc",
27
      "0xfc",
28
      "0xfc",
29
      "0xfc"
30
    ],
31
    "gasUsedRatio": [
32
      0.0014614,
33
      0.001741,
34
      0.0014614,
35
      0.001741
36
    ],
37
    "baseFeePerBlobGas": [
38
      "0x1",
39
      "0x1",
40
      "0x1",
41
      "0x1",
42
      "0x1"
43
    ],
44
    "blobGasUsedRatio": [
45
      0,
46
      0,
47
      0,
48
      0
49
    ]
50
  }
51
}

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