Generate an image using Nano Banana 2 (Gemini). Supports:
image_style_id to apply brand style)brand_subject_id to place a character/product in scene)reference_image_urls for style inspiration)API key prefixed with cr_ (e.g. cr_a1b2c3...)
Scene/image description
Image style ID for on-brand generation
Brand subject ID for compositing
Reference image URLs for guidance
5512px, 1K, 2K, 4K