Qex Solver · AI CAPTCHA Solving Platform

Authentication

All API requests require your API key in the X-QEX-SOLVER-KEY header.

X-QEX-SOLVER-KEY: QEX-CAP-XXXXXXXXXXXXXXXXXXXX

Get your API key from the Dashboard.

Solve CAPTCHA

Send an image and get the solution. Cost: 1¢ per successful solve.

POST /api/v1/solve
Headers:
  X-QEX-SOLVER-KEY: QEX-CAP-xxxxxxxx
  Content-Type: application/json

Body:
{
  "image_base64": "data:image/png;base64,...",
  "image_format": "png",
  "request_id": "optional_custom_id"
}

Supported formats: PNG, JPG, JPEG, GIF, WEBP.

Success Response

{
  "success": true,
  "request_id": "req_123456",
  "engine_id": "QEX-AI-ENGINE",
  "timestamp": "2024-01-01T00:00:00Z",
  "solution_type": "text",
  "solution_text": "ABC123",
  "coordinates": {"x": 150, "y": 200},
  "confidence": 0.95,
  "processing_time": 1.5,
  "captcha_type": "imagetotext"
}

For image selection CAPTCHAs, coordinates is provided. For text CAPTCHAs, solution_text is provided.

Error Response

{
  "success": false,
  "error": "Insufficient balance",
  "request_id": "req_123456",
  "engine_id": "QEX-AI-ENGINE",
  "timestamp": "2024-01-01T00:00:00Z"
}

Common errors: 401 (missing key), 403 (invalid key), 402 (insufficient balance), 400 (invalid image), 502 (solver unavailable).

Pricing

1¢ (USD) per successful solve – deducted from your balance.

Pay only for successful solves
No monthly fees
Volume discounts available

View Packages

Rate Limits

No hard rate limits. We trust you to be reasonable. For high-volume customers (>10,000 solves/day), please contact us for dedicated support.

Code Examples

Python

import requests
import base64

with open("captcha.png", "rb") as f:
    image_base64 = base64.b64encode(f.read()).decode()

response = requests.post(
    "https://qexsolver.xyz/api/v1/solve",
    headers={
        "X-QEX-SOLVER-KEY": "YOUR_API_KEY",
        "Content-Type": "application/json"
    },
    json={
        "image_base64": image_base64,
        "image_format": "png"
    }
)

result = response.json()
if result["success"]:
    print("Solution:", result.get("solution_text") or result.get("coordinates"))
else:
    print("Error:", result["error"])

JavaScript

const response = await fetch("https://qexsolver.xyz/api/v1/solve", {
  method: "POST",
  headers: {
    "X-QEX-SOLVER-KEY": "YOUR_API_KEY",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    image_base64: "data:image/png;base64,...",
    image_format: "png"
  })
});

const data = await response.json();
if (data.success) {
  console.log("Solution:", data.solution_text || data.coordinates);
} else {
  console.error("Error:", data.error);
}

API Documentation