Wan2.7 I2V

Wan2.7 I2V is Alibaba Cloud’s image-to-video model, available through the AnyFast asynchronous video API. It supports first-frame animation, first-and-last-frame control, video continuation, and optional audio-driven motion. I2V means image-to-video. Wan2.7 also accepts an initial video clip for continuation.

Supported media combinations

Workflow	`input.media` types
First-frame animation	`first_frame`
First-frame animation with audio	`first_frame` + `driving_audio`
First-and-last-frame control	`first_frame` + `last_frame`
First-and-last-frame control with audio	`first_frame` + `last_frame` + `driving_audio`
Video continuation	`first_clip`
Video continuation with an ending frame	`first_clip` + `last_frame`

Each media type can appear at most once. Output aspect ratio follows the first frame or first video clip.

Enable NSFW generation

Select the Special-Ns resource group when creating the API token.
Set parameters.prompt_extend to false. Its default value is true.

Quick example

cURL

curl https://www.anyfast.ai/v1/video/generations \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "wan2.7-i2v",
    "input": {
      "prompt": "The camera slowly moves closer as the lanterns begin to glow.",
      "media": [
        {
          "type": "first_frame",
          "url": "https://example.com/first-frame.png"
        }
      ]
    },
    "parameters": {
      "resolution": "720P",
      "duration": 5,
      "prompt_extend": true,
      "watermark": false
    }
  }'

Input limits

Images: JPEG/JPG/PNG/BMP/WEBP, 240-8,000 px per side, aspect ratio 1:8 to 8:1, up to 20 MB; public URL or Base64 data URL
Driving audio: WAV/MP3, 2-30 seconds, up to 15 MB; public URL
Initial clip: MP4/MOV, 2-10 seconds, 240-4,096 px per side, aspect ratio 1:8 to 8:1, up to 100 MB; public URL

For continuation, parameters.duration is the maximum total output duration, including the input clip.

Parameters

Parameter	Type	Required	Description
`model`	string	Yes	Must be `wan2.7-i2v`
`input.prompt`	string	No	Motion and scene description, up to 5,000 characters
`input.negative_prompt`	string	No	Content to exclude, up to 500 characters
`input.media`	array	Yes	One of the supported media combinations above
`input.media[].type`	string	Yes	`first_frame`, `last_frame`, `driving_audio`, or `first_clip`
`input.media[].url`	string	Yes	Public media URL; images also support Base64 data URLs
`parameters.resolution`	string	No	`720P` or `1080P`. Default: `1080P`
`parameters.duration`	integer	No	Total duration from 2 to 15 seconds. Default: `5`
`parameters.prompt_extend`	boolean	No	Rewrite and enrich the prompt. Default: `true`
`parameters.watermark`	boolean	No	Add an “AI Generated” watermark. Default: `false`
`parameters.seed`	integer	No	Random seed in `[0, 2147483647]`

API Reference

View the complete request schema.

Task Query

Poll the task and retrieve the result URL.

Official reference

See the Alibaba Cloud Model Studio Wan2.7 image-to-video API reference.

Getting started

Model Introduction

Resources

Supported media combinations

Enable NSFW generation

Quick example

Input limits

Parameters

API Reference

Task Query

Official reference

​Supported media combinations

​Enable NSFW generation

​Quick example

​Input limits

​Parameters

API Reference

Task Query

​Official reference

Supported media combinations

Enable NSFW generation

Quick example

Input limits

Parameters

Official reference