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: vtrix_image_4_5_blend
prompt string required
Text prompt describing the desired blended image content.
image array required
Input image list, supports URL or Base64 encoded image data (must be array format, minimum 2, maximum 14 images).
size string
Image size, e.g.: “2K”, “1024x1024”, etc.
watermark boolean
Whether to add watermark.
Default: false
response_format string
Response format.
Default: url
Options: url, b64_json
optimize_prompt_options object
Prompt optimization options.
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 |