Retrieve fee information for an encoded extrinsic

POST

https://ksm-assethub.nownodes.io/payment_queryInfo

Authorizations

ApiKeyAuthApiKeyAuth

API_key string

NOWNodes API key passed in the api-key header.

Returns detailed fee information (weight, partial fee, etc.) for a given encoded extrinsic.

Body

application/json

JSON-RPC request containing encoded extrinsic

jsonrpcstringrequired

JSON-RPC version

idstringrequired

Request identifier

methodstringrequired

Method name

paramsArray<string>required

Array containing encoded extrinsic(s) to query fee info for

Response

200OK

Fee information for the extrinsic

400Bad Request

Malformed address or application ID

401Unauthorized

Invalid API key

500Internal Server Error

Internal server error

Retrieve fee information for an encoded extrinsic

curl -X POST 'https://ksm-assethub.nownodes.io/payment_queryInfo' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": "test",
    "method": "payment_queryInfo",
    "params": [
      "0x290284ffdc3488a..."
    ]
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://ksm-assethub.nownodes.io/payment_queryInfo");
const result = await provider.send("payment_queryInfo", [
  "0x290284ffdc3488a..."
]);
console.log(result);

require 'eth'
require 'json'
require 'net/http'

uri = URI('https://ksm-assethub.nownodes.io/payment_queryInfo')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "payment_queryInfo",
  "params": [
    "0x290284ffdc3488a..."
  ],
  "id": 1
}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://ksm-assethub.nownodes.io/payment_queryInfo"))
response = w3.provider.make_request("payment_queryInfo", [
  "0x290284ffdc3488a..."
])
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://ksm-assethub.nownodes.io/payment_queryInfo"),
});

const result = await client.request({
  method: "payment_queryInfo",
  params: [
  "0x290284ffdc3488a..."
],
});

console.log(result);

const endpoint = "https://ksm-assethub.nownodes.io/payment_queryInfo";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({ jsonrpc: "2.0", method: "payment_queryInfo", params: [
  "0x290284ffdc3488a..."
], id: 1 });
console.log(result);

const response = await fetch('https://ksm-assethub.nownodes.io/payment_queryInfo', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": "test",
      "method": "payment_queryInfo",
      "params": [
        "0x290284ffdc3488a..."
      ]
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": "test",
  "method": "payment_queryInfo",
  "params": [
    "0x290284ffdc3488a..."
  ]
}

response = requests.post('https://ksm-assethub.nownodes.io/payment_queryInfo', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://ksm-assethub.nownodes.io/payment_queryInfo')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "id": "test",
    "method": "payment_queryInfo",
    "params": [
      "0x290284ffdc3488a..."
    ]
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "jsonrpc": "2.0",
  "id": "test",
  "method": "payment_queryInfo",
  "params": [
    "0x290284ffdc3488a..."
  ]
}

200

{
  "jsonrpc": "2.0",
  "result": {
    "weight": 12345678,
    "partialFee": "1000000000000"
  },
  "id": "test"
}

Documentation

How to migrate to NOWNodes

Retrieve fee information for an encoded extrinsic

Authorizations

Body

Response