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Kasada Bot Defense
KasadaCaptchaTask
proxy required

Kasada Bot Defense Solver, solved in 5.0s.

Bypass Kasada bot defense. Returns x-kpsdk-ct/cd tokens + cookies in ~1.6 seconds.

Get API KeyTry DemoExamples
Avg Speed~5.0s
Success99%+
Cost / 1k$2.00
Throughput12/m

Kasada is a bot defense platform that uses a custom JavaScript VM (ips.js) to fingerprint browsers and generate proof-of-work tokens. Kasada uses two tokens: x-kpsdk-ct (client token, ~30 min lifetime) and x-kpsdk-cd (single-use per-request proof-of-work).

Quick Integration

solve.py
import requests, time

API = "https://api.capzy.ai"
KEY = "capzy_your_key_here"

# Step 1: Create task
task = requests.post(f"{API}/createTask", json={
    "clientKey": KEY,
    "task": {
        "type": "KasadaCaptchaTask",
        "websiteURL": "https://www.example.com/",
        "proxyType": "http",
        "proxyAddress": "123.45.67.89",
        "proxyPort": "8080",
        "proxyLogin": "user",
        "proxyPassword": "pass"
    }
}).json()

task_id = task["taskId"]
print(f"Task created: {task_id}")

# Step 2: Poll for result
while True:
    result = requests.post(f"{API}/getTaskResult", json={
        "clientKey": KEY,
        "taskId": task_id
    }).json()

    if result["status"] == "ready":
        print("Solved!", result["solution"])
        break
    elif result["status"] == "failed":
        print("Failed:", result.get("errorDescription"))
        break

    time.sleep(1)

Using the result

use_result.py
# Step 3: Use the result — Kasada uses custom headers, not a Cookie:
sol = result["solution"]
headers = {
    "x-kpsdk-ct": sol["x-kpsdk-ct"],
    "x-kpsdk-cd": sol["x-kpsdk-cd"],   # single-use per request
    "User-Agent": sol.get("userAgent", ""),
}
cookies = sol.get("cookies", {})
resp = requests.get("https://target.example.com/", headers=headers, cookies=cookies)
print(resp.status_code)

1. Send Payload

Dispatch your KasadaCaptchaTask to our processing cluster via the secure API endpoint.

2. Solving Engine

Capzy's proprietary solver returns the Kasada x-kpsdk-ct + x-kpsdk-cd tokens and KP_UIDz session cookies needed for protected requests. Designed for authorized testing and automation.

3. Get Result

Poll getTaskResult for the validated token, then finalize your automated request.

Task Parameters

API Spec
Proxy fields below are required for this captcha — userAgent must match the one you’ll use when submitting the resulting token.
typetypestringreqyesKasadaCaptchaTaskProxyLess or KasadaCaptchaTask
websiteURLtypestringreqyesA page URL on the Kasada-protected domain. Include www and a trailing slash (e.g. https://www.example.com/); a bare apex domain may not arm the challenge.
proxyTypetypestringreqyesProxy protocol: http, https, socks4, or socks5
proxyAddresstypestringreqyesProxy IP address or hostname
proxyPorttypenumberreqyesProxy port number
proxyLogintypestringreqnoProxy username (if auth required)
proxyPasswordtypestringreqnoProxy password (if auth required)
userAgenttypestringreqnoUser-Agent string to use. Must match the UA you use when submitting the token

Response Shape

x-kpsdk-cttypestringClient token (~30 min lifetime, reusable)
x-kpsdk-cdtypestringClient data with proof-of-work (single-use per request)
cookiestypeobjectKP_UIDz and KP_UIDz-ssn session cookies
userAgenttypestringUser-Agent used during solve — must reuse for subsequent requests
expiresAttypenumberUnix timestamp when the CT expires

Example response

{
  "errorId": 0,
  "status": "ready",
  "solution": {
    "x-kpsdk-ct": "<client token (CT) — ~30 min lifetime, reusable>",
    "x-kpsdk-cd": "<client data (CD) — single-use proof-of-work per request>",
    "cookies": {
      "KP_UIDz": "<value>",
      "KP_UIDz-ssn": "<value>"
    },
    "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",
    "expiresAt": 1735691400
  }
}

Error response

{
  "errorId": 1,
  "errorCode": "ERROR_CAPTCHA_UNSOLVABLE",
  "errorDescription": "Solver gave up."
}

Features

~1.6 second solve time
Captures x-kpsdk-ct + x-kpsdk-cd + cookies
Capzy proprietary infrastructure — high-quality solves
Returns the full token chain (ct + cd + cookies) in one request
CT reusable for ~30 minutes

Pricing & Stats

Per 1,000 solves$2.00
Avg solve time~5.0s
Success rate99%+
Throughput12/m

Start solving kasada bot defense.

$0.10 in free credits — no card. ~250 free solves to test before you spend.

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Frequently asked questions