curl -X POST https://api.khaime.com/api/v1/partner/quote/101/reject \
  -H "X-API-Key: pk_sandbox_your_key"

{
  "status": "success",
  "message": "Quote rejected successfully",
  "data": {
    "id": 101,
    "quote_number": "Q-2024-0001",
    "status": "rejected",
    "rejected_at": "2024-01-18T16:45:00Z"
  }
}