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POST
/
api
/
generate
/
submit
curl --request POST \
  --url https://api.poyo.ai/api/generate/submit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "veo3.1-fast",
  "callback_url": "https://your-domain.com/callback",
  "input": {
    "prompt": "Dolphins jumping in a bright blue ocean",
    "duration": 8,
    "aspect_ratio": "16:9"
  }
}
'
{
  "code": 200,
  "data": {
    "task_id": "task-unified-1757165031-uyujaw3d",
    "status": "not_started",
    "created_time": "2025-11-12T10:30:00"
  }
}
  1. After submission, a task_id will be returned. If you provided a callback_url, when the task status becomes finished or failed, a POST request will be sent to the callback_url.
  2. Regardless of whether callback_url is provided, you can retrieve the response result through the unified Query Task Status endpoint.

​
VEO 3.1 Video Generation

Generate fast or high-quality 8-second videos with Google’s VEO 3.1 model. Supports text-to-video and image-to-video generation.

​
Available Models

  • veo3.1-fast - Fast 8-second generation
  • veo3.1-quality - High-quality 8-second generation

​
Duration Options

  • 8 seconds - Fixed duration for all generations

​
Key Features

  • Asynchronous processing that returns a task_id for status tracking
  • Supports text-to-video and image-to-video generation
  • Supports up to 4k output resolution
  • Generated video URLs are valid for 24 hours

​
Advanced Parameters

​
Generation Type

  • frame - Frame-to-video (two images)
  • reference - Reference image video (three images)
  • If omitted, inferred by image_urls count: 2 images for frame, 3 images for reference

​
Image URLs

  • Supports up to 3 images
  • Frame mode: first image is the start frame, second image is the end frame
  • Maximum file size: 10MB
  • Supported formats: .jpeg, .jpg, .png, .webp

​
Resolution

  • 720p (default), 1080p, or 4k

Authorizations

​
Authorization
string
header
required

All API endpoints require Bearer Token authentication

Get your API Key:

Visit the API Key Management Page to get your API Key

Add it to the request header:

Authorization: Bearer PoYo_API_KEY

Body

application/json
​
model
enum<string>
required

VEO 3.1 model identifier

Available options:
veo3.1-fast,
veo3.1-quality
​
callback_url
string<uri>

Webhook callback URL for result notifications

Example:

"https://your-domain.com/callback"

​
input
object

Input parameters for generation

Response

Task submitted successfully

​
code
integer
required

HTTP status code

Example:

200

​
data
object
required