/v1/scripts REST API Endpoint

Parameters

block_id

string

The ID of the block to execute the script against. For a specific block height, use block_height instead

block_height

string

The block height for which the script is to be run. The string final and sealed are also supported. This parameter is incompatible with block_id

script

string

The Base64 encoded content of the Cadence script

arguments

array

A list of arguments each encoded as Base64 passed in the JSON-Cadence interchange format

Returns

value

string

The result of the executed Cadence script

Request

SCRIPT=$(echo 'pub fun main(greeting: String): String { return greeting }' | base64)
GREETING=$(echo '{"type":"String","value":"Hello world"}' | base64)

curl --location https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts \
    -H 'Content-Type: application/json' \
    -d "{\"script\": \"${SCRIPT}\",\"arguments\":[\"${GREETING}\"]}"

const SCRIPT = btoa('pub fun main(greeting: String): String { return greeting }');
const GREETING = btoa(JSON.stringify({"type": "String", "value": "Hello world"}));
  

const data = {
    script: SCRIPT,
    arguments: [GREETING]
};

const headers = {
  'Content-Type': 'application/json'
  };

fetch("https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts", {
    method: 'POST',
    headers: headers,
    body: JSON.stringify(data)
  })
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error(error));

import base64
import json
import requests

SCRIPT = base64.b64encode(b'pub fun main(greeting: String): String { return greeting }').decode('utf-8')
GREETING = base64.b64encode(b'{"type":"String","value":"Hello world"}').decode('utf-8')

url = 'https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts'
data = {
    'script': SCRIPT,
    'arguments': [GREETING]
}
headers = {
    'Content-Type': 'application/json'
}

response = requests.post(url, data=json.dumps(data), headers=headers)

print(response.text)

require 'net/http'
require 'json'
require 'base64'

SCRIPT = Base64.strict_encode64('pub fun main(greeting: String): String { return greeting }')
GREETING = Base64.strict_encode64('{"type":"String","value":"Hello world"}')

url = URI("https://docs-demo.flow-mainnet.quiknode.pro/v1/scripts")
headers = { 'Content-Type' => 'application/json' }
data = { 'script' => SCRIPT, 'arguments' => [GREETING] }

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url, headers)
request.body = JSON.generate(data)

response = http.request(request)
puts response.body

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