curl -X POST https://api.llmgenerator.com/api/v1/api-keys \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Production API Key",
    "description": "For the main application"
  }'

{
  "success": true,
  "message": "API key created successfully",
  "apiKey": {
    "id": "llm_1706345678_newkey123abc",
    "name": "Production API Key",
    "description": "For the main application",
    "key": "llm_1706345678_newkey123abc",
    "permissions": [],
    "expiresAt": null,
    "createdAt": "2026-01-27T10:00:00.000Z",
    "isActive": true
  },
  "warning": "This is the only time the full API key will be shown. Please save it securely."
}