curl --request PATCH \
  --url https://demo.spreecommerce.org/api/v2/storefront/wishlists/{token} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '{
  "wishlist": {
    "name": "Birthday Ideas"
  }
}'

{
  "data": {
    "id": "28",
    "type": "wishlist",
    "attributes": {
      "token": "1inBHcJnxBrVEMAZb9esRqZP",
      "name": "My Wishlist",
      "is_private": false,
      "is_default": true,
      "variant_included": false
    },
    "relationships": {
      "wished_items": {
        "data": [
          {
            "id": "14",
            "type": "wished_item"
          }
        ]
      }
    }
  }
}