curl --request POST \
  --url https://my.server.express/api/v1/user/passkeys/options \
  --header 'Authorization: Bearer <token>'

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

fetch('https://my.server.express/api/v1/user/passkeys/options', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://my.server.express/api/v1/user/passkeys/options"

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

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

print(response.text)

{
  "success": true,
  "data": {
    "challenge": "<string>",
    "rp": {},
    "user": {},
    "pubKeyCredParams": [
      {}
    ],
    "excludeCredentials": [
      {}
    ]
  }
}

{
  "success": false,
  "error": "<string>"
}

{
  "success": false,
  "error": "<string>"
}

{
  "success": false,
  "error": "<string>"
}