75### 📊 Other Export Formats
76- **CSV**: Structured data with headers for spreadsheet applications
77- **JSON**: Machine-readable format for API integration
78- **Text**: Human-readable format with detailed card information
79
133│ └── utils.ts # Luhn algorithm, validation, bulk parsing
134└── backend/
135 └── index.ts # Static file server with API endpoints
136```
137
203 - **LIST**: Clean format `CCNUMBER|MM|YY|CVV` (perfect for direct use)
204 - **CSV**: Structured data with headers for spreadsheets
205 - **JSON**: Machine-readable format for API integration
206 - **TEXT**: Human-readable format with detailed information
2072. Use "Copy All" to copy to clipboard or "Export" to download as file
239- **File formats**: .txt and .csv files supported
240
241## API Endpoints
242
243- `POST /api/generate` - Generate card (random/custom/bulk)
244- `POST /api/validate` - Validate card number using Luhn
245- `POST /api/validate-bin` - Validate BIN format
246- `GET /api/health` - Health check endpoint
247- `POST /api/bin-lookup` - BIN lookup service
248- `GET /api/marketplace/products` - Get all marketplace products
249- `GET /api/marketplace/products/:id` - Get specific product details
250- `POST /api/marketplace/contact` - Contact seller about a product
251
252## Note