Path Parameters

Query Parameters

at

string

Block at which to retrieve runtime version information at.

Returns

at

object

The at object which contains the following fields:

height

string

The block number or height

hash

string

The unique identifier (hash) of the block

authoringVersion

string

The version of the runtime authoring code

transactionVersion

string

The version number of the transaction format, used to ensure compatibility with different versions

implVersion

string

The implementation version of the node software

specName

string

The name of the blockchain specification

specVersion

string

The version number of the blockchain specification being used

chainType

object

The chainType object which contains the following fields:

live

string | null

Indicates whether the chain is live

properties

object

The properties object which contains the following fields:

isEthereum

boolean

A boolean indicating whether the chain is Ethereum-compatible

ss58Format

string

The address format used on the blockchain

tokenDecimals

array

The number of decimal places used for the token

tokenSymbol

array

The symbol for the blockchain's native token

Request

1
# AssetHub (default) - for runtime spec from AssetHub parachain
2
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/runtime/spec' \
3
--header 'Accept: application/json'
4

5
# Polkadot Relaychain - for runtime spec from Relaychain (requires /rc prefix)
6
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/rc/runtime/spec' \
7
--header 'Accept: application/json'

1
# AssetHub (default) - for runtime spec from AssetHub parachain
2
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/runtime/spec' \
3
--header 'Accept: application/json'
4

5
# Polkadot Relaychain - for runtime spec from Relaychain (requires /rc prefix)
6
curl --location 'https://docs-demo.dot-mainnet.quiknode.pro/rc/runtime/spec' \
7
--header 'Accept: application/json'

1
// For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
2

3
const myHeaders = new Headers();
4
myHeaders.append("Accept", "application/json");
5

6
const requestOptions = {
7
  method: "GET",
8
  headers: myHeaders,
9
  redirect: "follow"
10
};
11

12
  fetch("https://docs-demo.dot-mainnet.quiknode.pro/runtime/spec", requestOptions)
13
    .then((response) => response.text())
14
    .then((result) => console.log(result))
15
    .catch((error) => console.error(error));
16

1
// For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
2

3
const myHeaders = new Headers();
4
myHeaders.append("Accept", "application/json");
5

6
const requestOptions = {
7
  method: "GET",
8
  headers: myHeaders,
9
  redirect: "follow"
10
};
11

12
  fetch("https://docs-demo.dot-mainnet.quiknode.pro/runtime/spec", requestOptions)
13
    .then((response) => response.text())
14
    .then((result) => console.log(result))
15
    .catch((error) => console.error(error));
16

1
import requests
2
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
3

4

5
url = "https://docs-demo.dot-mainnet.quiknode.pro/runtime/spec"
6
payload = {}
7
headers = {
8
  'Accept': 'application/json'
9
}
10

11
response = requests.request("GET", url, headers=headers, data=payload)
12
print(response.text)
13

1
import requests
2
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
3

4

5
url = "https://docs-demo.dot-mainnet.quiknode.pro/runtime/spec"
6
payload = {}
7
headers = {
8
  'Accept': 'application/json'
9
}
10

11
response = requests.request("GET", url, headers=headers, data=payload)
12
print(response.text)
13

1
require "uri"
2
require "net/http"
3
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
4

5

6
url = URI("https://docs-demo.dot-mainnet.quiknode.pro/runtime/spec")
7

8
https = Net::HTTP.new(url.host, url.port)
9
https.use_ssl = true
10

11
request = Net::HTTP::Get.new(url)
12

13
response = https.request(request)
14
puts response.read_body
15

1
require "uri"
2
require "net/http"
3
# For Polkadot Relaychain access, add '/rc' after https://docs-demo.dot-mainnet.quiknode.pro/ (e.g., https://docs-demo.dot-mainnet.quiknode.pro/rc/accounts/...)
4

5

6
url = URI("https://docs-demo.dot-mainnet.quiknode.pro/runtime/spec")
7

8
https = Net::HTTP.new(url.host, url.port)
9
https.use_ssl = true
10

11
request = Net::HTTP::Get.new(url)
12

13
response = https.request(request)
14
puts response.read_body
15

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