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  1. self-developed
  • How to Use CometAPI?
  • šŸš€ Overview
    • Quick Start
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    • Quickly request CometAPI via ApiDog
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      • self-developed
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    • veo3
      • self-developed
        • Veo3 Async Generation
          POST
        • Veo3 Retrive
          GET
      • veo3-chat format
        POST
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        POST
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        GET
    • kling (video)
      • callback_url
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    • runway(video)
      • official format
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  • šŸ„šŸ¼ā€ā™€ļø Best Practices
    • Midjourney Best Practices
    • Retry Logic Documentation for CometAPI and OpenAI Official API
    • Runway Best Practices
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    • Gemini CLI Installation and Usage Guide
    • Codex Usage Guide
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  1. self-developed

Veo3 Async Generation

POST
https://api.cometapi.com/v1/videos
Maintainer:Not configured

Veo3 Video Generation API (Self-Developed Async)#

āš ļø Important Notes#

This API is implemented through our self-developed technology with the following limitations:
Video duration is fixed at 8 seconds and cannot be customized
Please contact technical support if you encounter any issues

Supported Models#

ModelImage InputDescription
veo3.1-componentsUp to 3 imagesMulti-image composition mode
veo3.1First + Last frameSupports start/end frame control
veo3.1-proFirst + Last frameSupports start/end frame control
veo3First + Last frameSupports start/end frame control

Image Upload Methods#

Images are passed via form-data format using the input_reference parameter:
File Upload: Upload the image file directly
URL Reference: Provide a publicly accessible image URL

Request

Header Params

Body Params multipart/form-dataRequired

Responses

🟢200Success
application/json
Body

Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request POST 'https://api.cometapi.com/v1/videos' \
--header 'Authorization: ' \
--form 'prompt="A whimsical flying elephant soaring over a vibrant candy-colored cityscape at sunset, with rainbow trails behind its wings, playful monkeys riding on its back throwing confetti, in a whimsical animated style like a Pixar movie, camera panning smoothly from ground level to aerial view,"' \
--form 'model="veo3.1"' \
--form 'size="16x9"' \
--form 'input_reference=@""'
Response Response Example
{
    "created_at": 1764905797,
    "id": "veo3.1:1764905797-816jUFZAkM",
    "model": "veo3.1",
    "object": "video",
    "progress": 0,
    "seconds": "4",
    "size": "1280x720",
    "status": "queued"
}
Modified atĀ 2025-12-05 06:22:05
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