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Documentation Index

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WAN 2.1 I2V 720p is an open-source image-to-video generation model that converts static images into 720p videos. It uses a diffusion transformer architecture to create smooth, natural motion from still images.

Try in playground

Test WAN 2.1 I2V 720p in the Runpod Hub playground.
Endpointhttps://api.runpod.ai/v2/wan-2-1-i2v-720/runsync
Pricing$0.30 per 5 seconds of video
TypeVideo generation

​
Request

All parameters are passed within the input object in the request body.
​
input.prompt
string
required
Text description of the desired video motion and content.
​
input.image
string
required
URL of the input image to animate.
​
input.negative_prompt
string
Elements to exclude from the generated video.
​
input.size
string
default:"1280*720"
Video resolution in format “width*height”.
​
input.num_inference_steps
integer
default:"30"
Number of denoising steps. Range: 1-50.
​
input.guidance
float
default:"5"
How closely to follow the prompt. Range: 0.0-10.0.
​
input.duration
integer
default:"5"
Video duration in seconds.
​
input.flow_shift
integer
default:"5"
Controls the motion flow in the generated video.
​
input.seed
integer
default:"-1"
Seed for reproducible results. Set to -1 for random.
​
input.enable_prompt_optimization
boolean
default:"false"
Whether to automatically optimize the prompt.
​
input.enable_safety_checker
boolean
default:"true"
Whether to run safety checks on the output.
curl -X POST "https://api.runpod.ai/v2/wan-2-1-i2v-720/runsync" \
  -H "Authorization: Bearer $RUNPOD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "input": {
      "prompt": "The family of three just took a selfie. They lean in together, smiling and relaxed. The daughter holds the phone and shows the screen",
      "image": "https://example.com/family-photo.png",
      "num_inference_steps": 30,
      "guidance": 5,
      "negative_prompt": "",
      "size": "1280*720",
      "duration": 5,
      "flow_shift": 5,
      "seed": -1,
      "enable_prompt_optimization": false,
      "enable_safety_checker": true
    }
  }'

​
Response

​
id
string
Unique identifier for the request.
​
status
string
Request status. Returns COMPLETED on success, FAILED on error.
​
delayTime
integer
Time in milliseconds the request spent in queue before processing began.
​
executionTime
integer
Time in milliseconds the model took to generate the video.
​
workerId
string
Identifier of the worker that processed the request.
​
output
object
The generation result containing the video URL and cost.
​
output.video_url
string
URL of the generated video. This URL expires after 7 days.
​
output.cost
float
Cost of the generation in USD.
{
  "id": "sync-a1b2c3d4-e5f6-7890-abcd-ef1234567890-u1",
  "status": "COMPLETED",
  "delayTime": 22,
  "executionTime": 65432,
  "workerId": "oqk7ao1uomckye",
  "output": {
    "video_url": "https://video.runpod.ai/abc123/output.mp4",
    "cost": 0.30
  }
}
Video URLs expire after 7 days. Download and store generated videos immediately if you need to keep them.

​
Cost calculation

WAN 2.1 I2V 720p charges $0.30 per 5 seconds of video. Example costs:
DurationCost
5 seconds$0.30
10 seconds$0.60
15 seconds$0.90