gpt-agreement-payment-replay

name	gpt-agreement-payment-replay
description	End-to-end protocol replay toolkit for ChatGPT Plus/Team/Pro subscription with hCaptcha visual solver and anti-fraud empirical research
triggers	["set up gpt agreement payment","run chatgpt subscription replay pipeline","configure hcaptcha solver","set up paypal billing agreement replay","run daemon mode for subscription pipeline","configure stripe checkout replay","debug pipeline replay errors","extend hcaptcha solver with new challenge type"]

Gpt-Agreement-Payment Replay Toolkit

Skill by ara.so — Daily 2026 Skills collection.

End-to-end protocol replay toolkit that automates the Stripe Checkout → PayPal billing agreement → ChatGPT manual-approval → Codex OAuth + PKCE chain. Includes a from-scratch hCaptcha visual solver (~4000 lines), empirical anti-fraud research data, and a 12-path self-healing daemon.

---

Installation

System Requirements

• Linux (Ubuntu 22.04+ recommended), ~5 GB disk, ~2 GB RAM
• Python 3.11+
• Xvfb for headless browser automation

# System dependencies
sudo apt-get install -y xvfb xauth gost

# Clone
git clone https://github.com/DanOps-1/Gpt-Agreement-Payment
cd Gpt-Agreement-Payment

# Core Python dependencies
pip install requests curl_cffi playwright camoufox browserforge mitmproxy pybase64

# Install browser engines
playwright install firefox
camoufox fetch

ML Dependencies for hCaptcha Solver (optional, ~4 GB)

python -m venv ~/.venvs/ctfml
~/.venvs/ctfml/bin/pip install torch transformers opencv-python pillow numpy

WebUI (recommended for first-time setup)

pip install -r webui/requirements.txt
cd webui/frontend && pnpm i && pnpm build && cd ../..
python -m webui.server
# Open http://127.0.0.1:8765 — runs 14-step wizard, generates configs

---

Prerequisites Checklist

Before running, you need:

Requirement	Notes
PayPal account (EU)	Must be EU-based (IE, DE, FR, etc.); first run needs manual OTP 2FA
EU/US proxy	PayPal is region-locked; Stripe is country-locked
Cloudflare zone	For catch-all subdomain email registration
Linux with Camoufox + Playwright	~5 GB disk + 2 GB RAM
VLM API key (optional)	OpenAI-compatible endpoint for hCaptcha solving
CAPTCHA platform API key (optional)	createTask/getTaskResult protocol, fallback for passive captcha

---

Configuration

Copy and Edit Config Templates

cp CTF-pay/config.paypal.example.json     CTF-pay/config.paypal.json
cp CTF-reg/config.paypal-proxy.example.json   CTF-reg/config.paypal-proxy.json

config.paypal.json — Key Fields

{
  "proxy": {
    "host": "your-proxy-host",
    "port": 1080,
    "username": "PROXY_USER",
    "password": "PROXY_PASS",
    "protocol": "socks5"
  },
  "paypal": {
    "email": "[e-mail]",
    "password": "PAYPAL_PASS",
    "totp_secret": "PAYPAL_TOTP_SECRET"
  },
  "cloudflare": {
    "api_token": "CF_API_TOKEN",
    "zone_id": "CF_ZONE_ID",
    "domain": "yourdomain.com"
  },
  "webshare": {
    "api_key": "WEBSHARE_API_KEY"
  },
  "vlm": {
    "base_url": "https://api.openai.com/v1",
    "api_key": "VLM_API_KEY",
    "model": "gpt-4o"
  },
  "captcha_platform": {
    "api_key": "CAPTCHA_PLATFORM_KEY",
    "base_url": "https://api.2captcha.com"
  },
  "subscription_type": "team",
  "output_path": "output/results.jsonl"
}

Environment Variables (alternative to config file)

export PROXY_HOST="your-proxy-host"
export PROXY_PORT="1080"
export PAYPAL_EMAIL="[e-mail]"
export PAYPAL_PASS="yourpassword"
export CF_API_TOKEN="your-cloudflare-token"
export CF_ZONE_ID="your-zone-id"
export VLM_API_KEY="your-vlm-key"
export WEBSHARE_API_KEY="your-webshare-key"

---

Running the Pipeline

Single Run (full flow)

xvfb-run -a python pipeline.py \
  --config CTF-pay/config.paypal.json \
  --paypal

Output: output/results.jsonl containing refresh_token on success.

Daemon Mode (continuous pool maintenance)

xvfb-run -a python pipeline.py \
  --config CTF-pay/config.paypal.json \
  --paypal \
  --daemon

Batch Mode

xvfb-run -a python pipeline.py \
  --config CTF-pay/config.paypal.json \
  --paypal \
  --batch \
  --count 10

Self-Dealer Mode

xvfb-run -a python pipeline.py \
  --config CTF-pay/config.paypal.json \
  --paypal \
  --self-dealer

---

Pipeline Architecture

pipeline.py
  └─ CTF-reg/browser_register.py   # Camoufox + Cloudflare Turnstile
  └─ CTF-pay/card.py               # Stripe Checkout replay (8000 lines)
       └─ Stripe confirm
       └─ ChatGPT /approve
       └─ Camoufox PayPal billing agreement
       └─ Stripe poll state=succeeded
       └─ Camoufox second login → Codex OAuth + PKCE
  └─ output/results.jsonl          # Final refresh_token

---

hCaptcha Solver

Standalone Usage

import sys
sys.path.insert(0, '/path/to/Gpt-Agreement-Payment')

# Activate ML venv first if using VLM/CLIP paths
from CTF_pay.hcaptcha_auto_solver import HCaptchaSolver

solver = HCaptchaSolver(
    vlm_base_url="https://api.openai.com/v1",
    vlm_api_key="VLM_API_KEY",
    vlm_model="gpt-4o",
    use_clip_fallback=True,
    use_opencv_fallback=True,
)

# With a Playwright page that has an hCaptcha iframe
async def solve_on_page(page):
    result = await solver.solve(page)
    return result  # True if solved, False if failed

Three-Layer Decision Flow

1. VLM primary path     — sends challenge image to VLM, parses coordinate response
2. CLIP heuristic       — cosine similarity between challenge prompt and image tiles
3. OpenCV fallback      — contour/template matching for known visual patterns

Supported Challenge Types (12)

Type	Description
select-image	Select all images matching description
bounding-box	Draw bounding box around object
image-label	Label images as matching/not-matching
click-point	Click specific point on image
drag-drop	Drag element to target
3d-rotate	Rotate 3D object to match
object-count	Count objects in image
text-in-image	Identify text shown in image
shape-match	Match shapes by property
spatial-relation	Identify spatial relationships
color-match	Match by color
pattern-complete	Complete a visual pattern

Adding a New Challenge Type

# In CTF-pay/hcaptcha_auto_solver.py, extend the solver class:

class HCaptchaSolver:
    # ... existing code ...

    async def _solve_my_new_type(self, challenge_data: dict) -> list[tuple[int, int]]:
        """
        Solver for 'my-new-type' challenge.
        challenge_data keys: 'prompt', 'images', 'type'
        Returns list of (x, y) click coordinates.
        """
        prompt = challenge_data['prompt']
        images = challenge_data['images']  # list of PIL.Image or base64 strings

        # Option A: VLM path
        coords = await self._vlm_solve(prompt, images)

        # Option B: CLIP heuristic
        scores = self._clip_score(prompt, images)
        coords = [(img['x'], img['y']) for img, s in zip(images, scores) if s > 0.25]

        return coords

    # Register it:
    CHALLENGE_HANDLERS = {
        # ... existing handlers ...
        'my-new-type': '_solve_my_new_type',
    }

---

Daemon Mode — 12 Self-Healing Paths

The daemon() function in pipeline.py handles these failure modes automatically:

Trigger	Recovery Action
IP flagged / rate-limited	Webshare API auto-rotate IP
Cloudflare DNS quota exceeded	CF DNS quota cleanup
tmpfs orphan processes	Orphan process reap
gost relay down	gost relay watchdog restart
DataDome slider challenge	Auto-drag slider synthesis
Stripe fingerprint drift	Runtime re-alignment
PayPal session expired	Re-authentication flow
hCaptcha solve failure	VLM → CLIP → platform fallback
Account batch-association ban	Delay + fresh identity
Codex OAuth token expired	PKCE refresh flow
Browser crash / hang	Camoufox process restart
Output file lock	Tmpfs rotation + re-open

Daemon Status Monitoring

# pipeline.py exposes a status endpoint when --daemon is active
import requests

status = requests.get("http://localhost:8766/daemon/status").json()
# {
#   "active_workers": 3,
#   "completed_today": 12,
#   "alive_rate_24h": 0.02,
#   "current_ip": "x.x.x.x",
#   "last_success": "2026-04-30T12:00:00Z",
#   "healing_events": [...]
# }

---

Reading Output

import json

results = []
with open("output/results.jsonl") as f:
    for line in f:
        results.append(json.loads(line))

# Each result:
# {
#   "email": "[e-mail]",
#   "refresh_token": "...",
#   "subscription_type": "team",
#   "created_at": "2026-04-30T...",
#   "proxy_ip": "x.x.x.x",
#   "success": true
# }

successful = [r for r in results if r.get("success")]
print(f"Success rate: {len(successful)}/{len(results)}")

---

WebUI API (when server is running)

import requests

BASE = "http://127.0.0.1:8765"

# Check preflight / system health
health = requests.get(f"{BASE}/api/preflight").json()

# Start a single run via API
run = requests.post(f"{BASE}/api/run", json={
    "mode": "single",
    "subscription_type": "team"
}).json()
run_id = run["run_id"]

# Stream logs via SSE
import sseclient
response = requests.get(f"{BASE}/api/run/{run_id}/logs", stream=True)
client = sseclient.SSEClient(response)
for event in client.events():
    print(event.data)

# Stop a run
requests.post(f"{BASE}/api/run/{run_id}/stop")

---

Troubleshooting

Pipeline Hangs at PayPal OTP

# First run requires manual 2FA completion
# Run WITHOUT xvfb-run to see the browser:
python pipeline.py --config CTF-pay/config.paypal.json --paypal --no-headless
# Complete OTP manually; subsequent runs use saved session

Stripe Fingerprint Drift

# Symptoms: Stripe returns 400 or challenge page unexpectedly
# CTF-pay/card.py contains runtime.version / js_checksum / rv_timestamp
# These drift every few weeks — check docs/debugging.md for realignment procedure

# Quick check: compare your values against a fresh mitmproxy capture
mitmproxy --mode transparent -p 8080 --set console_eventlog_verbosity=debug

hCaptcha Solver Falling Back Constantly

# Check VLM endpoint is reachable
curl -H "Authorization: Bearer $VLM_API_KEY" \
     "$VLM_BASE_URL/models" | python -m json.tool

# Check CLIP venv is active when running
~/.venvs/ctfml/bin/python pipeline.py --config ...

# Enable verbose solver logging
export HCAPTCHA_DEBUG=1

Low Survival Rate (~2%)

This is expected per the anti-fraud research. Key findings from docs/anti-fraud-research.md:

• Batch-association delayed banning: Accounts registered in the same batch are banned together ~12–24 hours after creation
• IP-string-level fingerprinting: Exact IP (not just subnet) is tracked
• Probe layer vs ban layer separation: Initial probe passes, ban fires later

Mitigation strategies documented in docs/anti-fraud-research.md:

• Use residential IPs, not datacenter
• Introduce timing jitter between registrations (daemon does this automatically)
• Avoid reusing Cloudflare subdomains across batches

Free Account Path Broken

# Known limitation — OpenAI redirects free accounts to /add-phone
# No workaround without a real phone number
# Codex API audience mismatch with ChatGPT-Web access_token
# Only Plus/Team/Pro subscription paths are currently functional

Common Error Messages

Error	Cause	Fix
PayPal region rejected	Non-EU proxy	Switch to EU/IE proxy
Turnstile solve timeout	Browser fingerprint detected	Update Camoufox: camoufox fetch
Stripe 3DS required	Card requires 3DS auth	Use a non-3DS card config
CF DNS quota exceeded	Too many subdomain creates	Daemon auto-cleans; manual: see docs/debugging.md
gost relay not responding	gost process crashed	Daemon restarts; manual: systemctl restart gost
Codex PKCE state mismatch	Clock skew	ntpdate -u pool.ntp.org

---

Project Structure

Gpt-Agreement-Payment/
├── pipeline.py                    # Main entry point, daemon orchestrator
├── CTF-pay/
│   ├── card.py                    # Stripe Checkout replay (~8000 lines)
│   ├── hcaptcha_auto_solver.py    # hCaptcha visual solver (~4000 lines)
│   ├── config.paypal.example.json
│   └── config.auto.json           # Generated by webui wizard
├── CTF-reg/
│   ├── browser_register.py        # Camoufox + Turnstile registration
│   └── config.paypal-proxy.example.json
├── webui/
│   ├── server.py                  # FastAPI backend
│   ├── frontend/                  # React/pnpm frontend
│   └── README.md
├── output/
│   └── results.jsonl              # refresh_token output
└── docs/
    ├── anti-fraud-research.md     # Empirical data, 45-account 24h study
    ├── architecture.md
    ├── configuration.md
    ├── daemon-mode.md
    ├── debugging.md
    ├── hcaptcha-solver.md
    ├── installation.md
    └── operating-modes.md

---

Key Timing Expectations

Phase	Typical Duration
First-time config + PayPal 2FA	1–3 hours
Single pipeline run (after setup)	~5 minutes
WebUI wizard setup	~15 minutes
Daemon stabilization	30–60 minutes
Account survival window	12–24 hours (2% survive 24h)