curl --request GET \
  --url https://sandbox-payment-b2b.singapay.id/api/v1.0/payment-link-manage/{account_id}/{payment_link_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'X-PARTNER-ID: <api-key>'

{
  "status": 200,
  "success": true,
  "data": {
    "id": 103,
    "reff_no": "INV20240513001",
    "title": "Invoice Payment",
    "payment_url": "https://example.com/payment-link",
    "status": "open",
    "status_computed": "open",
    "is_expired": false,
    "required_customer_detail": true,
    "max_usage": 1,
    "current_usage": 0,
    "expired_at": "2024-05-13T00:00:00Z",
    "total_amount": 150000,
    "items": [
      {
        "name": "Product A",
        "quantity": 1,
        "unit_price": 150000,
        "subtotal": 150000
      }
    ],
    "whitelisted_payment_method": [
      "<string>"
    ],
    "redirect_url": "https://example.com/payment-link",
    "optional_metadata": {},
    "payment_date": "2024-05-13T00:00:00Z",
    "created_at": "2024-05-13T00:00:00Z",
    "updated_at": "2024-05-13T00:00:00Z",
    "account": {
      "id": 1,
      "name": "Account 1"
    }
  }
}