Create Product Gallery Item
API operation: Open the endpoint in Scalar
Use POST /business/{business_id}/categories/{category_id}/products/{product_id}/gallery to add an item to a product gallery. The operation documented here is ProductGallery.register.
The documented schema restricts creation to administrators and business managers. Business-manager access is scoped through the product's business.
The request schema describes image and video gallery items: type 1 requires file, while type 2 requires a valid video URL. Optional title and description fields provide item details.