{"info":{"title":"ModelRunner OpenAPI schema for ltx-2.3/text-to-audio","version":"0.1.0"},"paths":{"/health-check":{"get":{"summary":"Healthcheck","responses":{"200":{"content":{"application/json":{"schema":{"title":"Response Healthcheck Health Check Get"}}},"description":"Successful Response"}},"operationId":"healthcheck_health_check_get"}}},"openapi":"3.1.0","components":{"schemas":{"Input":{"type":"object","title":"Input","required":["prompt"],"properties":{"seed":{"type":"integer","title":"Seed","x-order":6,"nullable":true,"description":"Random seed for reproducible generation. Leave empty for a random result."},"prompt":{"type":"string","title":"Prompt","x-order":0,"description":"The prompt to generate the audio from."},"num_frames":{"type":"integer","title":"Num Frames","default":121,"maximum":481,"minimum":9,"x-order":1,"description":"Audio duration in LTX video-frame units. Duration in seconds is approximately num_frames / frames_per_second. Default 121 frames at 24 fps is about 5 seconds; the maximum 481 frames is about 20 seconds."},"guidance_scale":{"type":"number","title":"Guidance Scale","default":1,"maximum":20,"minimum":1,"x-order":4,"description":"Classifier-free guidance scale; higher values follow the prompt more strictly."},"negative_prompt":{"type":"string","title":"Negative Prompt","default":"pc game, console game, video game, cartoon, childish, ugly","x-order":5,"description":"Qualities to steer the generated audio away from."},"frames_per_second":{"type":"number","title":"Frames Per Second","default":24,"maximum":60,"minimum":1,"x-order":2,"description":"Frame rate used to derive the clip duration together with num_frames."},"num_inference_steps":{"type":"integer","title":"Num Inference Steps","default":15,"maximum":30,"minimum":8,"x-order":3,"description":"Number of denoising steps. More steps can improve quality at the cost of speed."},"enable_safety_checker":{"type":"boolean","title":"Enable Safety Checker","default":true,"x-order":8,"description":"If true, run a content-safety check during generation."},"enable_prompt_expansion":{"type":"boolean","title":"Enable Prompt Expansion","default":false,"x-order":7,"description":"If true, automatically elaborate the prompt before generation."}},"x-fal-order-properties":["prompt","num_frames","frames_per_second","num_inference_steps","guidance_scale","negative_prompt","seed","enable_prompt_expansion","enable_safety_checker"]},"Output":{"type":"string","title":"Output","format":"uri","description":"Generated audio file URL."}}}}