# Get custom CSS styling configuration Retrieves custom CSS styles configured for subscription widgets and customer portal. These styles allow merchants to customize the visual appearance of subscription elements to match their brand. Use Cases: - Apply custom styling to subscription widgets on storefront - Customize customer portal appearance - Match brand colors and fonts - Override default widget styles Authentication: Requires API key authentication via X-API-Key header or api_key parameter Endpoint: GET /api/external/v2/subscription-custom-csses/{id} Version: 0.0.1 ## Path parameters: - `id` (integer, required) Shop identifier Example: "mystore.myshopify.com" ## Query parameters: - `api_key` (string) API Key (Deprecated - Use Header X-API-Key instead) ## Header parameters: - `X-API-Key` (string) API Key for authentication (Preferred method - use this instead of api_key parameter) ## Response 200 fields (application/json): - `id` (integer) - `shop` (string, required) - `customCss` (string) - `customerPoratlCSS` (string) - `bundlingCSS` (string) - `bundlingIframeCSS` (string) ## Response 401 fields (*/*): - `id` (integer) - `shop` (string, required) - `customCss` (string) - `customerPoratlCSS` (string) - `bundlingCSS` (string) - `bundlingIframeCSS` (string) ## Response 404 fields (*/*): - `id` (integer) - `shop` (string, required) - `customCss` (string) - `customerPoratlCSS` (string) - `bundlingCSS` (string) - `bundlingIframeCSS` (string)