v1

latestOpenAPI 3.1.02026-07-267724480.0 KB

Create a Runway character-performance task

Submit a character asset plus a reference performance clip and receive a task id for later polling.

post/runwayml/v1/character_performance

X-Runway-Versionstring required

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

bodyControlboolean required

Enable body control.

expressionIntensityinteger required

Intensity of the expression transfer. Higher values produce more exaggerated expressions.

seedinteger required

Random seed for reproducible results.

modelstring required

The model variant to use. Must be act_two.

ratiostring required

Requested output frame shape, for example 1280:720 or 720:1280. Keep the character and reference assets close to the requested frame shape.

Task accepted.

idstring required

{
  "id": "5b91e444-c232-deaf-a4d7-8aef3e57336b"
}