curl --request POST \
  --url https://prod-auth.tktchurch.com/api/v1/users/me/webauthn/register/begin \
  --header 'Authorization: Bearer <token>'

import Foundation

let url = URL(string: "https://prod-auth.tktchurch.com/api/v1/users/me/webauthn/register/begin")!
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.timeoutInterval = 10
request.allHTTPHeaderFields = ["Authorization": "Bearer <token>"]

let (data, _) = try await URLSession.shared.data(for: request)
print(String(decoding: data, as: UTF8.self))

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://prod-auth.tktchurch.com/api/v1/users/me/webauthn/register/begin', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://prod-auth.tktchurch.com/api/v1/users/me/webauthn/register/begin"

headers = {"Authorization": "Bearer <token>"}

response = requests.post(url, headers=headers)

print(response.text)

{
  "challenge": "dGhlLWNoYWxsZW5nZQ",
  "rp": {
    "name": "TKTChurch"
  }
}

{
  "error": "invalid_request",
  "error_description": "Redirect URI not registered for this client"
}

{
  "error": "invalid_token",
  "error_description": "Access token is invalid or malformed"
}