Video generation veo-3.1-fast-generate-preview

POST

https://api.key4u.vn/v1beta/models/veo-3.1-fast-generate-preview:predictLongRunning

Gemini-style Veo 3.1 fast long-running video generation (predictLongRunning); returns operation name asynchronously.

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

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

Header Params

Responses

🟢200

application/json

Bodyapplication/json

🟠401Missing or invalid API Key

Request Example

Shell

JavaScript

Java

Swift

curl --location --request POST 'https://api.key4u.vn/v1beta/models/veo-3.1-fast-generate-preview:predictLongRunning' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json'

Response Example

200 - example

{
  "code": 0,
  "data": {
    "task_id": "task_example_001"
  },
  "message": "success"
}

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

Video generation veo-3.1-generate-preview

Query tasks