{"name":"product-photo-background-expand","description":"Expands tight product crops into marketplace, catalog, and lifestyle ad canvases by extending the background. Same image-expand backend. Use it as a product photo background expand API, ecommerce product outpaint, or studio backdrop extender.","price":"$0.15","method":"POST","input_schema":{"properties":{"image_url":{"type":"string","description":"Source image URL to expand."},"canvas_width":{"type":"number","description":"Target canvas width in pixels. 256-4096."},"canvas_height":{"type":"number","description":"Target canvas height in pixels. 256-4096."},"original_width":{"type":"number","description":"Width of the original image within the new canvas. Optional; must pair with original_height."},"original_height":{"type":"number","description":"Height of the original image within the new canvas. Optional; must pair with original_width."},"original_x":{"type":"number","description":"X offset of the original image within the new canvas. Optional; must pair with original_y."},"original_y":{"type":"number","description":"Y offset of the original image within the new canvas. Optional; must pair with original_x."},"prompt":{"type":"string","description":"Text hint describing what to generate in the expanded area. Optional."},"seed":{"type":"number","description":"Random seed for reproducible output. Optional; random if omitted."}},"required":["image_url","canvas_width","canvas_height"]},"input_example":{"image_url":"https://storage.googleapis.com/falserverless/model_tests/orange.png","canvas_width":1600,"canvas_height":1600,"prompt":"extend clean studio product background"},"output_example":{"image_url":"https://...png","width":1600,"height":1600},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}