import { WhopClient } from "@whop/sdk";

const client = new WhopClient({ token: "YOUR_TOKEN", apiVersionDate: "2026-08-21-1", idempotencyKey: "YOUR_IDEMPOTENCY_KEY" });
await client.users.passkeys.challenge({
    challenge_type: "registration"
});

curl --request POST \
  --url https://api.whop.com/api/v1/users/me/passkeys/challenge \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "challenge_type": "deletion",
  "passkey_id": "wcred_xxxxxxxxxxxxxx"
}
'

import requests

url = "https://api.whop.com/api/v1/users/me/passkeys/challenge"

payload = {
    "challenge_type": "deletion",
    "passkey_id": "wcred_xxxxxxxxxxxxxx"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({challenge_type: 'deletion', passkey_id: 'wcred_xxxxxxxxxxxxxx'})
};

fetch('https://api.whop.com/api/v1/users/me/passkeys/challenge', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.whop.com/api/v1/users/me/passkeys/challenge",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'challenge_type' => 'deletion',
    'passkey_id' => 'wcred_xxxxxxxxxxxxxx'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.whop.com/api/v1/users/me/passkeys/challenge"

	payload := strings.NewReader("{\n  \"challenge_type\": \"deletion\",\n  \"passkey_id\": \"wcred_xxxxxxxxxxxxxx\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.whop.com/api/v1/users/me/passkeys/challenge")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"challenge_type\": \"deletion\",\n  \"passkey_id\": \"wcred_xxxxxxxxxxxxxx\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.whop.com/api/v1/users/me/passkeys/challenge")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"challenge_type\": \"deletion\",\n  \"passkey_id\": \"wcred_xxxxxxxxxxxxxx\"\n}"

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

{
  "challenge": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
  "creation_options": {
    "attestation": "none",
    "authenticator_selection": {
      "require_resident_key": true,
      "resident_key": "required",
      "user_verification": "required"
    },
    "challenge": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
    "exclude_credentials": [
      {
        "id": "bGFwdG9wLWNyZWRlbnRpYWw",
        "transports": [
          "ble"
        ],
        "type": "public-key"
      }
    ],
    "extensions": {
      "cred_props": true
    },
    "pub_key_cred_params": [
      {
        "alg": -257,
        "type": "public-key"
      }
    ],
    "rp": {
      "id": "localhost",
      "name": "Whop"
    },
    "timeout": 300000,
    "user": {
      "display_name": "Jack Sharkey the 1st",
      "id": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
      "name": "marcus@shinetime.example"
    }
  },
  "request_options": {
    "allow_credentials": [
      {
        "id": "bGFwdG9wLWNyZWRlbnRpYWw",
        "transports": [
          "ble"
        ],
        "type": "public-key"
      }
    ],
    "challenge": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
    "rp_id": "localhost",
    "timeout": 300000,
    "user_verification": "required"
  }
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}

{
  "error": {
    "message": "account_id is required",
    "type": "bad_request",
    "code": "<string>"
  }
}