Respond to Braintree webhook URL verification challenge

code examples curl location globoff '/webhooks/braintree/{siteid}?bt challenge=string' \\ \ header 'accept application/json' \\ \ header 'content type application/json'var myheaders = new headers(); myheaders append("accept", "application/json"); myheaders append("content type", "application/json"); var requestoptions = { method 'get', headers myheaders, redirect 'follow' }; fetch("/webhooks/braintree/{siteid}?bt challenge=string", requestoptions) then(response => response text()) then(result => console log(result)) catch(error => console log('error', error));require "uri" require "json" require "net/http" url = uri("/webhooks/braintree/{siteid}?bt challenge=string") http = net http new(url host, url port); request = net http get new(url) request\["accept"] = "application/json" request\["content type"] = "application/json" response = http request(request) puts response read body import requests import json url = "/webhooks/braintree/{siteid}?bt challenge=string" payload = {} headers = { 'accept' 'application/json', 'content type' 'application/json' } response = requests request("get", url, headers=headers, data=payload) print(response text) responses // unauthorized