Video Generation - Planck

Submit a Video

POST https://api.inquantum.ai/v1/videos

Field	Type	Required	Description
`model`	string	Yes	Exact video model ID from the model registry.
`prompt`	string	Yes	Non-empty description of the requested video.
`duration`	number	Model-specific	Duration in seconds using the canonical gateway field.
`resolution`	string	No	Model-supported resolution such as `720p`.
`aspect_ratio`	string	No	Model-supported ratio such as `16:9`.
`size`	string	No	Exact model-supported pixel size. Do not combine with `aspect_ratio`.
`generate_audio`	boolean	No	Generate audio when supported by the selected endpoint.
`seed`	integer	No	Reproducibility seed when supported.

Additional fields, including image inputs, are accepted only when listed by the selected model contract. Unknown fields are rejected.

curl https://api.inquantum.ai/v1/videos \
  -H "Authorization: Bearer $PLANCK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openrouter/alibaba/wan-2.6",
    "prompt": "A paper airplane gliding above a quiet city at sunrise",
    "duration": 5,
    "resolution": "720p",
    "aspect_ratio": "16:9",
    "generate_audio": false
  }'

The submit endpoint returns 202 Accepted:

{
  "id": "planck-video-job-id",
  "object": "video.generation.job",
  "status": "pending",
  "model": "alibaba/wan-2.6",
  "provider": "openrouter",
  "polling_url": "/v1/videos/planck-video-job-id"
}

Get Job Status

GET https://api.inquantum.ai/v1/videos/{job_id}

The response includes status, outputs, usage, cost, timestamps, and an error object when the generation fails.

Download Content

GET https://api.inquantum.ai/v1/videos/{job_id}/content
GET https://api.inquantum.ai/v1/videos/{job_id}/content?index=0

The content route returns or redirects to the selected output. Use a valid Planck API key for the organization that submitted the generation. See the Video Generation guide for the complete workflow, validation, billing, and tracking behavior.