PerimeterX (HUMAN)

Solves PerimeterX / HUMAN Bot Defender sensor challenges. Returns _px3 and _pxvid cookies you attach to your requests. No browser required — solved via protocol-level replay with Chrome TLS fingerprint.

Task object

Send this as task in createTask.

PerimeterXTask fields
Field	Type	Description
`type` Required	`string`	Always PerimeterXTask.
`websiteURL` Required	`string`	The URL of the page protected by PerimeterX.
`appId` Optional	`string`	The PX app ID (starts with PX). Defaults to PXbf8PROpW if omitted.

JSON

{
  "clientKey": "YOUR_API_KEY",
  "task": {
    "type": "PerimeterXTask",
    "websiteURL": "https://www.roblox.com/",
    "appId": "PXbf8PROpW"
  }
}

Finding the app ID

Open the page with your browser's developer tools and look for:

A script tag loading from client.px-cloud.net/PXxxxxxxxx/main.min.js.
A window._pxAppId assignment in the page source.
A request to collector-pxxxxxxxxx.px-cloud.net.

Solution

PerimeterX solution fields
Field	Type	Description
`token` Required	`string`	The _px3 cookie value.
`cookies` Optional	`object`	Object with _px3 and _pxvid cookie values.
`cookieHeader` Optional	`string`	Ready-to-use Cookie header string: _px3=...; _pxvid=...

JSON

{
  "errorId": 0,
  "status": "ready",
  "solution": {
    "token": "CFQIVFQIRGdIQAtECwsIRFwI...",
    "cookies": {
      "_px3": "CFQIVFQIRGdIQAtECwsIRFwI...",
      "_pxvid": "a1b2c3d4-e5f6-1789-abcd-ef0123456789"
    },
    "cookieHeader": "_px3=CFQIVFQIRGdI...; _pxvid=a1b2c3d4..."
  }
}

Set both _px3 and _pxvid cookies on your requests. The token is valid for the URL and app ID you specified. Tokens typically last a few minutes.