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POST
/
runway
/
pro
/
video2video
Video to Video Style Redraw
curl --request POST \
  --url https://api.cometapi.com/runway/pro/video2video \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "callback_url": "https://example.com/webhook",
  "video": "https://runwaycdn.rixapi.com/attachments/video/runway/20241015/82bc23c83b5c32e75059c8328df5cffb.mp4",
  "model": "gen4",
  "prompt": "pixelated style",
  "options": {
    "structure_transformation": 0.5,
    "flip": true,
    "seconds": 5
  }
}
'
{
  "code": 200,
  "message": "",
  "msg": "success",
  "data": {
    "task_id": "196642a0-05e1-441a-981e-eb0c1f5d983b"
  }
}

Documentation Index

Fetch the complete documentation index at: https://apidoc.cometapi.com/llms.txt

Use this file to discover all available pages before exploring further.

Use this endpoint to restyle an existing video.

​
Before you call it

  • Send the required X-Runway-Version header, for example 2024-11-06
  • Provide a stable source video URL
  • Use model: gen4
  • Include options.seconds with the output duration
  • Start with a modest structure_transformation value before pushing the style transfer harder

​
Task flow

1

Submit the restyle task

Send the source video, prompt, and options, then save the returned task id.
2

Poll task status

Continue with Feed Get Task until the task reaches a terminal state.
3

Store the finished render

Copy the final output into your own storage if you need it beyond the provider delivery window.

Authorizations

​
Authorization
string
header
required

Bearer token authentication. Use your CometAPI key.

Headers

​
X-Runway-Version
string

Optional Runway version header, for example 2024-11-06.

Body

application/json
​
callback_url
string
default:https://example.com/webhook
required

Webhook URL that receives a POST request with the result when the task completes.

​
video
string
default:https://runwaycdn.rixapi.com/attachments/video/runway/20241015/82bc23c83b5c32e75059c8328df5cffb.mp4
required

URL of the source video to restyle.

​
model
string
default:gen4
required

Model version to use, e.g. gen4.

​
prompt
string
default:Apply a pixel-art redraw style.
required

Text prompt describing the target style for the redraw.

​
options
object
required

Additional processing options.

Response

200 - application/json

OK

​
code
integer
required

HTTP status code returned by the task service.

​
data
object
required
​
message
string

Empty on success.

​
msg
string

Result message.