Wan 3.0 Video Prime API

{
  "type": "object",
  "properties": {
    "seed": {
      "type": "integer",
      "title": "Seed",
      "maximum": 2147483647,
      "minimum": 0,
      "description": "Random seed used to reproduce results. If omitted, a random seed is used."
    },
    "audio": {
      "type": "boolean",
      "title": "Audio",
      "default": true,
      "description": "Whether the output video includes an audio track. Default: true."
    },
    "prompt": {
      "type": "string",
      "title": "Prompt",
      "maxLength": 20000,
      "description": "Text prompt. Chinese and English are supported. Up to 20,000 characters. Required for text-to-video; for other modes, it is recommended to provide it together with media. In reference mode, use Image1/Video1/Audio1 to reference the provided materials."
    },
    "duration": {
      "type": "integer",
      "title": "Duration",
      "default": 5,
      "description": "Output video duration in seconds. Default: 5. When there is no video input, the value must be within [2, 30]. When reference videos are provided: input video duration plus output duration ≤ 30. Pass `-1` to use an intelligent duration determined by the model."
    },
    "resolution": {
      "enum": [
        "480P",
        "720P",
        "1080P"
      ],
      "type": "string",
      "title": "Resolution",
      "default": "1080P",
      "description": "Output resolution level. Default: **1080P**."
    },
    "aspect_ratio": {
      "enum": [
        "adaptive",
        "16:9",
        "4:3",
        "1:1",
        "3:4",
        "9:16"
      ],
      "type": "string",
      "title": "Aspect ratio",
      "default": "adaptive",
      "description": "Output aspect ratio. `adaptive` (default) automatically selects the aspect ratio based on the input materials and intent."
    },
    "nsfw_checker": {
      "type": "boolean",
      "title": "NSFW checker",
      "description": "Defaults to false. When false, no additional content filtering is applied and results are returned directly by the model."
    },
    "last_frame_url": {
      "type": "string",
      "title": "Last frame URL",
      "format": "uri",
      "x-media": "image",
      "description": "URL of the last-frame image. Use together with first_frame_url. Same format limits as first_frame_url."
    },
    "first_frame_url": {
      "type": "string",
      "title": "First frame URL",
      "format": "uri",
      "x-media": "image",
      "description": "URL of the first-frame image. Up to 1 image, used strictly as the first frame of the video. Used for first-frame-to-video or first-and-last-frame-to-video generation. Cannot be provided together with `reference_*_urls`. Formats: JPEG/JPG, PNG (transparency not supported), BMP, WEBP; each side [240, 8000] px; aspect ratio ≤ 8:1; ≤ 20MB."
    },
    "reference_file_urls": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "title": "Reference file URLs",
      "x-media": "image",
      "maxItems": 1,
      "description": "File-to-video generation. Up to 1 file. Cannot be provided together with `reference_link_urls`, or with the first-frame/last-frame image. Formats: docx/doc/xlsx/xls/pptx/ppt/pdf/txt/key/pages/numbers/md; ≤ 100MB; pdf/docx/ppt/key/pages, etc. ≤ 50 pages."
    },
    "reference_link_urls": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "title": "Reference link URLs",
      "x-media": "image",
      "maxItems": 1,
      "description": "Link-to-video generation. Up to 1 publicly accessible webpage that does not require login. Cannot be provided together with `reference_file_urls`, or with the first-frame/last-frame image."
    },
    "reference_audio_urls": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "title": "Reference audio URLs",
      "x-media": "audio",
      "maxItems": 5,
      "description": "Reference audio files for all-purpose reference mode. Up to 5 audio files. Each file must be 1–15s, with a combined duration of ≤ 15s. Correspond to Audio1, Audio2, and so on according to array order. Formats: wav, mp3; ≤ 15MB. Reference audio can be used as the only media input; pairing it with a reference image or video usually gives better results."
    },
    "reference_image_urls": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "title": "Reference image URLs",
      "x-media": "image",
      "maxItems": 10,
      "description": "Reference images for all-purpose reference mode. Up to 10 images. Correspond to Image1, Image2, and so on in the prompt according to array order. Same specifications as `first_frame_url`. Cannot be provided together with the first-frame or last-frame image."
    },
    "reference_video_urls": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "title": "Reference video URLs",
      "x-media": "video",
      "maxItems": 5,
      "description": "Reference videos for all-purpose reference mode. Up to 5 videos. Each video must be 1–15s, with a combined duration of ≤ 15s. Correspond to Video1, Video2, and so on according to array order. Formats: mp4, mov; each side [240, 4096] px; aspect ratio ≤ 8:1; each file ≤ 100MB. There is an additional output-side limit: the input video duration plus `duration` cannot exceed 30 seconds."
    }
  }
}