Multi-frame (Multi-transition) video generation

POST

https://api.key4u.vn/openapi/v2/video/multi_transition/generate

Pixverse video generation; polled via GET /openapi/v2/video/result/{id} after submission.

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Body Params application/jsonRequired

Examples

Responses

🟢200success

application/json

success

Bodyapplication/json

🟠400Bad request or validation failed

🟠401Missing or invalid API Key

Request Example

Shell

JavaScript

Java

Swift

curl --location 'https://api.key4u.vn/openapi/v2/video/multi_transition/generate' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
  "aspect_ratio": "16:9",
  "duration": 5,
  "model": "v5.5",
  "prompt": "A cat running on grass",
  "quality": "720p"
}'

Response Example

200 - example

{
  "ErrCode": 0,
  "ErrMsg": "success",
  "RespData": {
    "id": 123456
  }
}

Modified at 2026-10-13 12:32:40

Subject replacement (Swap) video generation

Action imitation (Mimic) video generation