---
title: Detection and Plagiarism Check
emoji: 🕵️‍♂️
colorFrom: indigo
colorTo: blue
sdk: docker
app_file: Dockerfile
pinned: false
---


# Detection and Plagiarism Check API 🕵️‍♂️

This API detects if an uploaded **essay PDF** is **human-written or AI-generated** using a powerful RoBERTa-based model.

---

## 🚀 Endpoint

### 📄 `POST /detect`

Upload a PDF essay to determine how much of it is likely AI-generated.

**Request:**

- `Content-Type`: `multipart/form-data`
- `Body`: `file` (PDF only)

**Response:**

```json
{
  "ai_generated_percentage": 87.43
}

💡 Usage Examples

🔧 Using cURL:
bash
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curl -X 'POST' \
  'https://essay-grader-detection-and-plagiarism-check.hf.space/detect' \
  -H 'accept: application/json' \
  -H 'Content-Type: multipart/form-data' \
  -F 'file=@your_essay.pdf'

🐍 Using Python Requests:
python
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import requests

url = "https://essay-grader-detection-and-plagiarism-check.hf.space/detect"
files = {"file": open("your_essay.pdf", "rb")}

response = requests.post(url, files=files)
result = response.json()
print(result)


⚙️ Technical Stack
AI Content Detection: roberta-base-openai-detector

PDF Text Extraction: PyMuPDF (fitz)

API Framework: FastAPI

Deployment: Hugging Face Spaces (FastAPI Runtime)

👤 Created By
Christian Mpambira
BED-COM-22-20
University of Malawi