magento2 – Create product with custom option using rest api

I am trying to create simple product with custom option using rest api but custom option is not saving with product endpoint rest/V1/products. anything missing here

Here is my request body

    {
    "product": {
        "sku": "test_simple_product3",
        "name": "Test Simple Product",
        "attribute_set_id": 4,
        "price": 25,
        "status": 1,
        "visibility": 1,
        "type_id": "simple",
        "weight": "0.5"
    },
    "custom_attributes": [
        
        {
            "attribute_code": "has_options",
            "value": 1
        },
        {
            "attribute_code": "required_options",
            "value": 1
        }
    ],
    "options": [
        {
            "product_sku": "test_simple_product3",
            "title": "Scelta",
            "type": "checkbox",
            "sort_order": null,
            "is_require": true,
            "price_type": null,
            "values": [
                {
                    "title": "A3",
                    "sort_order": 1,
                    "price": 7.35,
                    "price_type": "fixed",
                    "sku": "A3"
                },
                {
                    "title": "A4",
                    "sort_order": 1,
                    "price": 9.45,
                    "price_type": "fixed",
                    "sku": "A4"
                }
            ]
        }
    ]
}