RC metadata blob

POST

https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Generates a metadata blob from the relay chain for transaction signing.

Body

application/json

Request with 'tx' field and optional 'at' block

object

Response

200OK

Metadata blob

500Internal Server Error

Internal server error

503Service Unavailable

Service unavailable

RC metadata blob

curl -X POST 'https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob' \
  -H 'Content-Type: application/json' \
  -d '{}'

const response = await fetch('https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({}),
});

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{}'

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

import requests

payload = {}

response = requests.post('https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob', json=payload)
data = response.json()

const response = await fetch('https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({}),
});

const data = await response.json();

const endpoint = "https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob";
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({});
console.log(result);

const response = await fetch('https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({}),
});

const data = await response.json();

import requests

payload = {}

response = requests.post('https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://ksmassethub-playbook.nownodes.io/v1/rc/transaction/metadata-blob')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{}'

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

Request Body

{}

200

{}