---
title: "runway-act-two-i2v"
method: POST
path: "/api/v1/runway-act-two-i2v"
tags: ["Video: Edit & Effects"]
---

# runway-act-two-i2v

`POST /api/v1/runway-act-two-i2v`

## Request

- Base URL: `https://api.muapi.ai`
- URL: `https://api.muapi.ai/api/v1/runway-act-two-i2v`
- Auth: one of:
  - API key in header `x-api-key`
  - OAuth 2 (client credentials, token URL `https://api.muapi.ai/oauth/token`)

Transfer motion/acting from driving video to character image using Runway Act Two (mocap without equipment). Input: character image, driving video. Output: animated character video. Use for: motion capture transfer, character animation from reference performance.

## Query parameters

- `webhook` string
- `team_id` integer, nullable

## Headers

- `x-api-key` string
- `x-embed-code` string, nullable
- `x-agent-embed-code` string, nullable
- `x-whitelabel-studio` string, nullable
- `authorization` string, nullable

## Request body

- RunwaymlActI2VRequest
  - `webhook_url` string, uri, nullable
  - `image_url` string, uri, required
  - `reference_video_url` string, uri, required
  - `aspect_ratio` '9:16' | '16:9' | '1:1' | '4:3' | '3:4' | '21:9'

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/muapi/apis/muapi-api.md) · [All operations](https://skmtc.dev/muapi/apis/muapi-api/llms.txt) · [OpenAPI document](https://skmtc.dev/muapi/apis/muapi-api/revisions/e4b7374381e5?raw)