Ultra I2V Pro

ultra_i2v_pro

Advanced multi-subject video effects with enhanced tracking accuracy and overall stability.

Authentication

authorization `string` required

All APIs require authentication via Bearer Token.

Get API Key:

Visit API Key Management Page to get your API Key

Usage:

Add to request header:

Authorization: Bearer YOUR_API_KEY

Parameters

model `string` required

Model ID to use for the request.

Value: ultra_i2v_pro

image `string` required

Input Image. Supports URL or Base64 format, URL will auto convert to Base64.

prompt `string`

Video generation prompt, maximum 2500 characters.

mode `string` required

Generation mode. V2.6 only supports pro schema.

duration `string`

Video duration (seconds).

sound `string`

Whether to generate sound with video.

Error Codes

Code	Description
401	API key is missing or invalid
403	Insufficient balance or permission denied
429	Rate limit exceeded
500	Internal server error

Code Examples

curl --location 'https://cloud.vtrix.ai/model/v1/generation' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer YOUR_API_KEY' \
--data '{
  "model": "ultra_i2v_pro",
  "input": [
    {
      "params": {
        "image": "https://example.com/image.jpg",
        "mode": "pro",
        "prompt": "A cinematic scene",
        "sound": "on",
        "duration": "5"
      }
    }
  ]
}'

Response Format

{
  "type": "video",
  "url": "Generated content URL",
  "jobId": "Job identifier"
}

Authentication

authorization string required

Parameters

model string required

image string required

prompt string

mode string required

duration string

sound string