LTX-2.3 22B

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"fal.ltx-2.3-22b-reference-video-to-video","input":{"prompt":"","video_url":""},"idempotency_key":"example-request-1"}'

{
  "type": "object",
  "required": [
    "prompt",
    "video_url"
  ],
  "properties": {
    "acceleration": {
      "type": "string",
      "description": "The acceleration level to use.",
      "default": "regular",
      "enum": [
        "none",
        "regular",
        "high",
        "full"
      ]
    },
    "audio_modality_scale": {
      "type": "number",
      "description": "The modality scale for the audio. Controls the ratio between video and audio modalities.",
      "default": 3
    },
    "match_video_length": {
      "type": "boolean",
      "description": "When enabled, the number of frames will be calculated based on the video duration and FPS. When disabled, use the specified num_frames.",
      "default": true
    },
    "fps": {
      "type": "number",
      "description": "The frames per second of the generated video.",
      "default": 24
    },
    "distill_lora_first_pass_scale": {
      "type": "number",
      "description": "The scale of the distill LoRA to use for the first pass. Set to 0 to disable.",
      "default": 0.2
    },
    "audio_strength": {
      "type": "number",
      "description": "Audio conditioning strength. Lower values represent more freedom given to the model to change the audio content.",
      "default": 1
    },
    "ic_lora_type": {
      "type": "string",
      "description": "The IC LoRA type to use for the generation.",
      "default": "union",
      "enum": [
        "match_preprocessor",
        "union",
        "detailer",
        "none"
      ]
    },
    "enable_safety_checker": {
      "type": "boolean",
      "description": "Whether to enable the safety checker.",
      "default": true
    },
    "use_multiscale": {
      "type": "boolean",
      "description": "Whether to use multi-scale generation. If True, the model will generate the video at a smaller scale first, then use the smaller video to guide the generation of a video at or above your requested size. This results in better coherence and details.",
      "default": true
    },
    "audio_url": {
      "type": "string",
      "description": "An optional URL of an audio to use as the audio for the video. If not provided, any audio present in the input video will be used."
    },
    "camera_lora_scale": {
      "type": "number",
      "description": "The scale of the camera LoRA to use. This allows you to control the camera movement of the generated video more accurately than just prompting the model to move the camera.",
      "default": 1
    },
    "enable_prompt_expansion": {
      "type": "boolean",
      "description": "Whether to enable prompt expansion.",
      "default": true
    },
    "video_size": {
      "type": "string",
      "description": "The size of the generated video.",
      "default": "auto",
      "enum": [
        "auto",
        "square_hd",
        "square",
        "portrait_4_3",
        "portrait_16_9",
        "landscape_4_3",
        "landscape_16_9"
      ]
    },
    "seed": {
      "type": "integer",
      "description": "The seed for the random number generator."
    },
    "gradient_estimation_gamma": {
      "type": "number",
      "description": "The gamma of gradient estimation during denoising. Set to 0 to disable.",
      "default": 2
    },
    "sync_mode": {
      "type": "boolean",
      "description": "If `True`, the media will be returned as a data URI and the output data won't be available in the request history.",
      "default": false
    },
    "prompt": {
      "type": "string",
      "description": "The prompt to generate the video from."
    },
    "image_url": {
      "type": "string",
      "description": "An optional URL of an image to use as the first frame of the video."
    },
    "video_url": {
      "type": "string",
      "description": "The URL of the video to reference."
    },
    "preprocessor": {
      "type": "string",
      "description": "The preprocessor to use for the generation.",
      "default": "none",
      "enum": [
        "depth",
        "canny",
        "pose",
        "none"
      ]
    },
    "distill_lora_second_pass_scale": {
      "type": "number",
      "description": "The scale of the distill LoRA to use for the second and subsequent passes.",
      "default": 0.5
    },
    "scheduler": {
      "type": "string",
      "description": "The scheduler to use.",
      "default": "ltx2",
      "enum": [
        "ltx2",
        "linear_quadratic",
        "beta"
      ]
    },
    "video_rescaling_scale": {
      "type": "number",
      "description": "The rescaling scale for the video. Controls the ratio between classifier-free guidance and spatiotemporal guidance.",
      "default": 0.7
    },
    "camera_lora": {
      "type": "string",
      "description": "The camera LoRA to use. This allows you to control the camera movement of the generated video more accurately than just prompting the model to move the camera.",
      "default": "none",
      "enum": [
        "dolly_in",
        "dolly_out",
        "dolly_left",
        "dolly_right",
        "jib_up",
        "jib_down",
        "static",
        "none"
      ]
    },
    "audio_cfg_scale": {
      "type": "number",
      "description": "The Classifier-Free Guidance (CFG) scale for the audio. Higher values result in more consistent and focused audio content.",
      "default": 7
    },
    "video_quality": {
      "type": "string",
      "description": "The quality of the generated video.",
      "default": "high",
      "enum": [
        "low",
        "medium",
        "high",
        "maximum"
      ]
    },
    "end_image_url": {
      "type": "string",
      "description": "The URL of the image to use as the end of the video."
    },
    "match_input_fps": {
      "type": "boolean",
      "description": "When true, match the output FPS to the input video's FPS instead of using the default target FPS.",
      "default": true
    },
    "video_output_type": {
      "type": "string",
      "description": "The output type of the generated video.",
      "default": "X264 (.mp4)",
      "enum": [
        "X264 (.mp4)",
        "VP9 (.webm)",
        "PRORES4444 (.mov)",
        "GIF (.gif)"
      ]
    },
    "video_cfg_scale": {
      "type": "number",
      "description": "The Classifier-Free Guidance (CFG) scale for the video. Higher values result in more consistent and focused video content.",
      "default": 3
    },
    "use_restart_sampling": {
      "type": "boolean",
      "description": "Whether to use restart sampling. This will inject a small amount of noise during each denoising step, which can help improve the quality of the generated video.",
      "default": false
    },
    "video_write_mode": {
      "type": "string",
      "description": "The write mode of the generated video.",
      "default": "balanced",
      "enum": [
        "fast",
        "balanced",
        "small"
      ]
    },
    "audio_stg_scale": {
      "type": "number",
      "description": "The Spatiotemporal Guidance (STG) scale for the audio. Higher values result in more consistent and focused audio content.",
      "default": 0
    },
    "num_inference_steps": {
      "type": "integer",
      "description": "The number of inference steps to use.",
      "default": 40
    },
    "generate_audio": {
      "type": "boolean",
      "description": "Whether to generate audio for the video.",
      "default": true
    },
    "negative_prompt": {
      "type": "string",
      "description": "The negative prompt to generate the video from.",
      "default": "news broadcast, 3d animation, computer graphics, pc game, console game, video game, cartoon, childish, watermark, logo, text, on screen text, subtitles, titles, signature, slowmo, static"
    },
    "video_strength": {
      "type": "number",
      "description": "Video conditioning strength. Lower values represent more freedom given to the model to change the video content.",
      "default": 1
    },
    "num_frames": {
      "type": "integer",
      "description": "The number of frames to generate.",
      "default": 121
    },
    "video_modality_scale": {
      "type": "number",
      "description": "The modality scale for the video. Controls the ratio between video and audio modalities.",
      "default": 3
    },
    "audio_rescaling_scale": {
      "type": "number",
      "description": "The rescaling scale for the audio. Controls the ratio between classifier-free guidance and spatiotemporal guidance.",
      "default": 0.7
    },
    "video_stg_scale": {
      "type": "number",
      "description": "The Spatiotemporal Guidance (STG) scale for the video. Higher values result in more consistent and focused video content.",
      "default": 0
    }
  }
}