Wan 2.7 Image to Video

POST/v1/run

Alibaba Wan 2.7 image-to-video model transforming still images into video with native audio generation.

Request body

Submit an async generation request. The model field selects the model; other fields are model-specific input parameters.

stringmodelrequired

Model identifier. Set to alibaba/wan/2.7/image-to-video.

Default: alibaba/wan/2.7/image-to-video

stringpromptrequired

The text prompt to generate a video from.

Default: The bus starts moving slowly down the street, rain begins to fall, pedestrians open umbrellas, camera follows the bus

stringimagerequired

The URL of the starting image for video generation.

Optional<string>end_image

The URL of the ending image for video generation.

Optional<string>audio

The URL of an audio file to guide video generation.

Optional<integer>duration

The duration of the generated video in seconds.

Allowed values: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15

Default: 5

Optional<string>aspect_ratio

The aspect ratio of the generated video.

Allowed values: 16:9, 9:16, 1:1, 4:3, 3:4

Optional<string>resolution

The resolution of the video to generate.

Allowed values: 720p, 1080p

Default: 720p

Response Schema

The submit endpoint returns an accepted generation task. Poll the result endpoint with the returned id for terminal outputs or errors.

Optional<string>error

Error message if the task failed. Empty on success.

stringidrequired

Unique identifier for the generation task.

Optional<string>model

Model ID used for the prediction.

Optional<array>outputs

Array of generated content. Empty when status is not completed.

stringstatusrequired

Status of the task: pending, running, completed, failed, or timeout.

Allowed values: pending, running, completed, failed, timeout

Model capabilities

array<string>capability_tagsrequired

Capabilities declared by the model registry.

Default: image-to-video

stringexecution_moderequired

Execution mode declared by the model registry.

Default: async

# 1. Submit a generation request
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "alibaba/wan/2.7/image-to-video",
  "prompt": "The bus starts moving slowly down the street, rain begins to fall, pedestrians open umbrellas, camera follows the bus",
  "image": "https://static.sandbase.ai/samples/image-to-video/i2v-urban-source.png",
  "audio": "https://static.sandbase.ai/examples/input.mp3",
  "duration": 5,
  "aspect_ratio": "16:9"
}'

# 2. If the response is still running, poll the returned id
curl https://api.sandbase.ai/v1/run/run_abc123 \
  -H "Authorization: Bearer $SANDBASE_API_KEY"

Response202 Accepted

{
  "id": "run_abc123",
  "model": "alibaba/wan/2.7/image-to-video",
  "status": "running",
  "outputs": []
}