{"name":"game-asset-concept-image","description":"Game asset concept image API / character prop environment concept generator. Same image-generate backend, exposed for agents drafting SFW game art concepts, item thumbnails, environment mood boards, and prototype visual assets.","price":"$0.011","method":"POST","input_schema":{"properties":{"prompt":{"type":"string","description":"Image description. Up to 2000 chars."},"width":{"type":"number","description":"Output width in pixels. Range [256, 1024], snapped to multiples of 16. Default 1024."},"height":{"type":"number","description":"Output height in pixels. Range [256, 1024], snapped to multiples of 16. Default 1024."},"tier":{"type":"string","enum":["fast","creative","anime","sd35"],"description":"Model shorthand. Default 'fast'."},"model":{"type":"string","description":"Override the model. Must be one of: z-image-turbo, chroma, wai-Illustrious, venice-sd35."},"steps":{"type":"number","description":"Diffusion steps. Optional; depends on model."},"cfg_scale":{"type":"number","description":"Classifier-free guidance scale. Optional."},"seed":{"type":"number","description":"Random seed. Optional."},"negative_prompt":{"type":"string","description":"Negative prompt. Optional, up to 1000 characters."}},"required":["prompt"]},"input_example":{"prompt":"Stylized fantasy potion bottle game item concept, transparent-style background, no text","width":1024,"height":1024,"tier":"anime"},"output_example":{"image_url":"https://v3.fal.media/files/abc/xyz/image.png","model":"wai-Illustrious","width":1024,"height":1024,"source":"venice"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}