Sign a transaction

POST

https://algo.nownodes.io/v1/transaction/sign

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Signs the passed transaction with a key from the wallet, determined by the sender encoded in the transaction.

Body

application/json

APIV1POSTTransactionSignRequest is the request for POST /v1/transaction/sign

public_keyArray<integer>

transactionstring<byte>

Base64 encoding of msgpack encoding of a Transaction object Note: SDK and goal usually generate SignedTxn objects in that case, the field txn / Transaction of the generated SignedTxn object needs to be used

wallet_handle_tokenstring

wallet_passwordstring

Response

200OK

Response to POST /v1/transaction/sign

Sign a transaction

curl -X POST 'https://algo.nownodes.io/v1/transaction/sign' \
  -H 'Content-Type: application/json' \
  -d '{
    "public_key": [
      0
    ],
    "transaction": "dGVzdA==",
    "wallet_handle_token": "string",
    "wallet_password": "string"
  }'

const response = await fetch('https://algo.nownodes.io/v1/transaction/sign', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "public_key": [
        0
      ],
      "transaction": "dGVzdA==",
      "wallet_handle_token": "string",
      "wallet_password": "string"
    }),
});

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://algo.nownodes.io/v1/transaction/sign')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "public_key": [
      0
    ],
    "transaction": "dGVzdA==",
    "wallet_handle_token": "string",
    "wallet_password": "string"
  }'

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

import requests

payload = {
  "public_key": [
    0
  ],
  "transaction": "dGVzdA==",
  "wallet_handle_token": "string",
  "wallet_password": "string"
}

response = requests.post('https://algo.nownodes.io/v1/transaction/sign', json=payload)
data = response.json()

const response = await fetch('https://algo.nownodes.io/v1/transaction/sign', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "public_key": [
        0
      ],
      "transaction": "dGVzdA==",
      "wallet_handle_token": "string",
      "wallet_password": "string"
    }),
});

const data = await response.json();

const endpoint = "https://algo.nownodes.io/v1/transaction/sign";
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({
    "public_key": [
      0
    ],
    "transaction": "dGVzdA==",
    "wallet_handle_token": "string",
    "wallet_password": "string"
  });
console.log(result);

const response = await fetch('https://algo.nownodes.io/v1/transaction/sign', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "public_key": [
        0
      ],
      "transaction": "dGVzdA==",
      "wallet_handle_token": "string",
      "wallet_password": "string"
    }),
});

const data = await response.json();

import requests

payload = {
  "public_key": [
    0
  ],
  "transaction": "dGVzdA==",
  "wallet_handle_token": "string",
  "wallet_password": "string"
}

response = requests.post('https://algo.nownodes.io/v1/transaction/sign', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://algo.nownodes.io/v1/transaction/sign')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "public_key": [
      0
    ],
    "transaction": "dGVzdA==",
    "wallet_handle_token": "string",
    "wallet_password": "string"
  }'

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

Request Body

{
  "public_key": [
    0
  ],
  "transaction": "dGVzdA==",
  "wallet_handle_token": "string",
  "wallet_password": "string"
}

200

{
  "error": true,
  "message": "string",
  "signed_transaction": "dGVzdA=="
}