Deprecation Notice

This method will be deprecated on Amoy Testnet (July 1, 2026) and Mainnet (July 15, 2026) following Polygon Labs' sunset of Erigon.

Parameters

This method does not accept any parameters

Returns

genesis

string

The genesis block hash

heightForks

array

A list of block heights where forks occurred

timeForks

array

A list of timestamps where forks occurred

Request

1
curl -X POST "https://docs-demo.matic.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "erigon_forks",
6
  "params": [],
7
  "id": 1
8
}'

1
curl -X POST "https://docs-demo.matic.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "erigon_forks",
6
  "params": [],
7
  "id": 1
8
}'

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'erigon_forks',
4
    params: [],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.matic.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: 'erigon_forks',
4
    params: [],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.matic.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.matic.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "erigon_forks",
9
  "params": [],
10
  "id": 1
11
})
12
headers = {
13
  'Content-Type': 'application/json'
14
}
15

16
response = requests.request("POST", url, headers=headers, data=payload)
17

18
print(response.text)

1
import requests
2
import json
3

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

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "erigon_forks",
9
  "params": [],
10
  "id": 1
11
})
12
headers = {
13
  'Content-Type': 'application/json'
14
}
15

16
response = requests.request("POST", url, headers=headers, data=payload)
17

18
print(response.text)

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

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

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "erigon_forks",
11
  params: []
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.matic.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "erigon_forks",
11
  params: []
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
    "genesis": "0xa9c28ce2141b56c474f1dc504bee9b01eb1bd7d1a507580d5519d4437a97de1b",
6
    "heightForks": [
7
      3395000,
8
      14750000,
9
      23850000,
10
      50523000,
11
      54876000,
12
      73440256
13
    ],
14
    "timeForks": null
15
  }
16
}

1
{
2
  "jsonrpc": "2.0",
3
  "id": 1,
4
  "result": {
5
    "genesis": "0xa9c28ce2141b56c474f1dc504bee9b01eb1bd7d1a507580d5519d4437a97de1b",
6
    "heightForks": [
7
      3395000,
8
      14750000,
9
      23850000,
10
      50523000,
11
      54876000,
12
      73440256
13
    ],
14
    "timeForks": null
15
  }
16
}

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