Wan-2.1 First-Last-Frame-to-Video

Turns a photo into a video

Liveby Alibaba

Wan-2.1 flf2v generates dynamic videos by intelligently bridging a given first frame to a desired end frame through smooth, coherent motion sequences.

Ask your agent

Say it in your own words. Your agent picks this tool, fills in the details and brings back the answer.

Turn this product photo into a 5-second video for Instagram with Wan-2.1 First-Last-Frame-to-Video.

Bring this old family photo to life as a short video.

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How it works

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Pay only when it worksEach use comes out of your balance. If it fails, you aren't charged.

For developersSummary, tool id, API call and input schema

Video API by Alibaba, callable through Superpowers. It costs $0.216 per video, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "fal.wan-flf2v", or over MCP with run_tool.

Tool id
Price per call: $0.216 / video

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"fal.wan-flf2v","input":{"prompt":"","start_image_url":"","end_image_url":""},"idempotency_key":"example-request-1"}'

Input

16 fields · 3 required

{
  "type": "object",
  "required": [
    "prompt",
    "start_image_url",
    "end_image_url"
  ],
  "properties": {
    "enable_safety_checker": {
      "type": "boolean",
      "description": "If set to true, the safety checker will be enabled. Disabling it requires account authorization; unauthorized requests are always checked.",
      "default": false
    },
    "loras": {
      "type": "array",
      "description": "LoRA weights to be used in the inference.",
      "default": []
    },
    "enable_prompt_expansion": {
      "type": "boolean",
      "description": "Whether to enable prompt expansion.",
      "default": false
    },
    "num_inference_steps": {
      "type": "integer",
      "description": "Number of inference steps for sampling. Higher values give better quality but take longer.",
      "default": 30
    },
    "acceleration": {
      "type": "string",
      "description": "Acceleration level to use. The more acceleration, the faster the generation, but with lower quality. The recommended value is 'regular'.",
      "default": "regular",
      "enum": [
        "none",
        "regular"
      ]
    },
    "prompt": {
      "type": "string",
      "description": "The text prompt to guide video generation."
    },
    "start_image_url": {
      "type": "string",
      "description": "URL of the starting image. If the input image does not match the chosen aspect ratio, it is resized and center cropped."
    },
    "seed": {
      "type": "integer",
      "description": "Random seed for reproducibility. If None, a random seed is chosen."
    },
    "aspect_ratio": {
      "type": "string",
      "description": "Aspect ratio of the generated video. If 'auto', the aspect ratio will be determined automatically based on the input image.",
      "default": "auto",
      "enum": [
        "auto",
        "16:9",
        "9:16",
        "1:1"
      ]
    },
    "shift": {
      "type": "number",
      "description": "Shift parameter for video generation.",
      "default": 5
    },
    "end_image_url": {
      "type": "string",
      "description": "URL of the ending image. If the input image does not match the chosen aspect ratio, it is resized and center cropped."
    },
    "negative_prompt": {
      "type": "string",
      "description": "Negative prompt for video generation.",
      "default": "bright colors, overexposed, static, blurred details, subtitles, style, artwork, painting, picture, still, overall gray, worst quality, low quality, JPEG compression residue, ugly, incomplete, extra fingers, poorly drawn hands, poorly drawn faces, deformed, disfigured, malformed limbs, fused fingers, still picture, cluttered background, three legs, many people in the background, walking backwards"
    },
    "num_frames": {
      "type": "integer",
      "description": "Number of frames to generate. Must be between 81 to 100 (inclusive). If the number of frames is greater than 81, the video will be generated with 1.25x more billing units.",
      "default": 81
    },
    "resolution": {
      "type": "string",
      "description": "Resolution of the generated video (480p or 720p). 480p is 0.5 billing units, and 720p is 1 billing unit.",
      "default": "720p",
      "enum": [
        "480p",
        "720p"
      ]
    },
    "guide_scale": {
      "type": "number",
      "description": "Classifier-free guidance scale. Higher values give better adherence to the prompt but may decrease quality.",
      "default": 5
    },
    "frames_per_second": {
      "type": "integer",
      "description": "Frames per second of the generated video. Must be between 5 to 24.",
      "default": 16
    }
  }
}