{"status":"Advanced Background Remover API is running!","endpoints":{"single":"/remove-bg","batch":"/remove-bg-batch"},"available_models":{"general":"u2net","fast":"u2netp","human":"u2net_human_seg","clothing":"u2net_cloth_seg","high_quality":"silueta"},"available_formats":["PNG","WEBP"],"options":{"background_color":"hex code (e.g., #ffffff)","edge_refine":"true/false (default false)","edge_threshold":"0–255 (default 20)"}}