curl --request GET \
  --url https://{cluster}.voucherify.io/v1/products \
  --header 'Authorization: Bearer <token>' \
  --header 'X-App-Id: <api-key>' \
  --header 'X-App-Token: <api-key>'

{
  "object": "list",
  "data_ref": "products",
  "products": [
    {
      "id": "prod_f1r5Tpr0DuC7",
      "source_id": "test_prod_id_1",
      "name": "Apple iPhone 8",
      "price": null,
      "attributes": [
        "color",
        "memory"
      ],
      "metadata": {
        "test": true,
        "vendor": "Cortland"
      },
      "image_url": null,
      "created_at": "2021-12-03T06:33:46.101Z",
      "updated_at": null,
      "object": "product",
      "skus": {
        "data": [
          {
            "id": "sku_0a417bd1d9952f9d6f",
            "source_id": "test_iphone_8_silver_256gb",
            "product_id": "prod_f1r5Tpr0DuC7",
            "sku": "iPhone 8 Silver 256GB",
            "price": null,
            "currency": null,
            "attributes": {
              "color": "silver",
              "memory": "256"
            },
            "image_url": null,
            "metadata": {},
            "created_at": "2021-12-03T06:33:46.599097+00:00",
            "updated_at": null,
            "object": "sku"
          },
          {
            "id": "sku_0a417bd1d9952f9d6e",
            "source_id": "test_iphone_8_silver_64gb",
            "product_id": "prod_f1r5Tpr0DuC7",
            "sku": "iPhone 8 Silver 64GB",
            "price": null,
            "currency": null,
            "attributes": {
              "color": "silver",
              "memory": "64"
            },
            "image_url": null,
            "metadata": {},
            "created_at": "2021-12-03T06:33:46.598595+00:00",
            "updated_at": null,
            "object": "sku"
          }
        ],
        "total": 2
      }
    },
    {
      "id": "prod_0ac67e1bb8072eec48",
      "source_id": "test_volleyball",
      "name": "VolleyBall",
      "price": 1100,
      "attributes": [],
      "metadata": {
        "color": [
          "white"
        ],
        "label": true,
        "origin": "PL"
      },
      "image_url": null,
      "created_at": "2022-03-16T14:01:45.459Z",
      "updated_at": "2022-04-26T12:51:35.500Z",
      "object": "product",
      "skus": {
        "data": [
          {
            "id": "sku_0ac768973f5c4ea0d0",
            "source_id": "test_volleyball_pl",
            "product_id": "prod_0ac67e1bb8072eec48",
            "sku": "PL",
            "price": 500,
            "currency": "USD",
            "attributes": {},
            "image_url": null,
            "metadata": {
              "color": [
                "red"
              ]
            },
            "created_at": "2022-03-17T07:06:13.629918+00:00",
            "updated_at": null,
            "object": "sku"
          },
          {
            "id": "sku_0ac7689713072e1df6",
            "source_id": "test_volleyball_us",
            "product_id": "prod_0ac67e1bb8072eec48",
            "sku": "US",
            "price": 1500,
            "currency": "USD",
            "attributes": {},
            "image_url": null,
            "metadata": {
              "color": [
                "yellow"
              ]
            },
            "created_at": "2022-03-17T07:06:13.452532+00:00",
            "updated_at": null,
            "object": "sku"
          }
        ],
        "total": 2
      }
    }
  ],
  "total": 2
}