curl --request GET \
  --url https://api.speedsellx.io/seller/v1/checkouts/{id}

{
  "data": {
    "id": 123,
    "product_id": 123,
    "name": "<string>",
    "template": "<string>",
    "checkout_theme_id": 123,
    "status": "<string>",
    "branding": {
      "dark_mode": true,
      "primary_color": "<string>",
      "secondary_color": "<string>",
      "header_bg_color": "<string>",
      "header_text_color": "<string>",
      "logo": "<string>",
      "top_banner": "<string>",
      "top_2_banner": "<string>",
      "sidebar_banner": "<string>",
      "footer_banner": "<string>"
    },
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}