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POST
https://api.apimart.ai
/
v1
/
videos
/
generations
curl --request POST \
  --url https://api.apimart.ai/v1/videos/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "viduq3-pro",
    "prompt": "A cat playing piano, camera slowly zooms in",
    "duration": 8,
    "resolution": "1080p",
    "aspect_ratio": "16:9"
  }'

{
  "code": 200,
  "data": [
    {
      "status": "submitted",
      "task_id": "task_xxxxxxxxxx"
    }
  ]
}

curl --request POST \
  --url https://api.apimart.ai/v1/videos/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "viduq3-pro",
    "prompt": "A cat playing piano, camera slowly zooms in",
    "duration": 8,
    "resolution": "1080p",
    "aspect_ratio": "16:9"
  }'

{
  "code": 200,
  "data": [
    {
      "status": "submitted",
      "task_id": "task_xxxxxxxxxx"
    }
  ]
}

​
Authorization

​
Authorization
string
required
All API endpoints require Bearer Token authenticationGet your API Key:Visit the API Key Management Page to get your API KeyAdd it to the request header:
Authorization: Bearer YOUR_API_KEY

​
Request Parameters

​
model
string
required
Video generation model nameSupported models:
  • viduq3-pro - Vidu Q3 Pro (recommended)
​
prompt
string
required
Text prompt, maximum 2000 charactersRequired for text-to-video. Optional for image-to-video and first-last frame modes.Example: "A cat playing piano, camera slowly zooms in"
​
duration
integer
default:"5"
Video duration (seconds)Range: 1 to 16Default: 5
​
resolution
string
default:"720p"
Video resolutionOptions:
  • 540p - Standard definition
  • 720p - HD (default)
  • 1080p - Full HD
Default: 720p
​
aspect_ratio
string
Video aspect ratio (only for text-to-video mode)Options:
  • 16:9 - Landscape
  • 9:16 - Portrait
  • 4:3 - Traditional
  • 3:4 - Portrait traditional
  • 1:1 - Square
This parameter is only available in text-to-video mode (when image_urls is not provided).
​
image_urls
array<url>
Image URL array for image-to-video generationThe system automatically determines the generation mode based on the number of images:
  • 0 images (not provided): Text-to-video mode
  • 1 image: Image-to-video mode (image used as starting frame)
  • 2 images: First-last frame mode (first image = first frame, second image = last frame)
Example: ["https://example.com/photo.jpg"]
  • Maximum 2 images supported
  • For first-last frame mode, exactly 2 images must be provided
  • When image_urls is provided (whether 1 or 2 images), the aspect_ratio parameter cannot be used — the video aspect ratio will be automatically determined by the image
​
audio
boolean
default:"true"
Whether to generate audio (dialogue, sound effects)Default: trueSet to false if you need a silent video.
​
seed
integer
Random seed for reproducible resultsUsing the same seed with identical parameters will produce the same video output.

​
Auto Routing

The system automatically determines the generation mode based on the number of images in image_urls:
Images CountModeDescription
0 (not provided)Text-to-VideoGenerate from text description only
1Image-to-VideoUse the image as starting frame
2First-Last FrameFirst image = first frame, second image = last frame

​
Parameter Support Matrix

ParameterText-to-VideoImage-to-VideoFirst-Last Frame
model✅ Required✅ Required✅ Required
prompt✅ RequiredOptionalOptional
image_urls-✅ 1 image✅ 2 images
duration✅ 1-16s✅ 1-16s✅ 1-16s
resolution✅✅✅
aspect_ratio✅--
audio✅✅✅
seed✅✅✅

​
Response

​
code
integer
Response status code, 200 on success
​
data
array
Response data array

​
Use Cases

​
Case 1: Text-to-Video

{
  "model": "viduq3-pro",
  "prompt": "A cat playing piano, camera slowly zooms in",
  "duration": 8,
  "resolution": "1080p",
  "aspect_ratio": "16:9"
}

​
Case 2: Image-to-Video (Single Image)

{
  "model": "viduq3-pro",
  "prompt": "The person slowly turns and smiles",
  "image_urls": ["https://example.com/photo.jpg"],
  "duration": 5,
  "resolution": "720p"
}

​
Case 3: First-Last Frame Video

{
  "model": "viduq3-pro",
  "prompt": "The person gradually sits down from standing",
  "image_urls": [
    "https://example.com/first.jpg",
    "https://example.com/last.jpg"
  ],
  "duration": 8
}

​
Case 4: Silent Video (Audio Disabled)

{
  "model": "viduq3-pro",
  "prompt": "Sunset seascape timelapse photography",
  "duration": 10,
  "resolution": "1080p",
  "audio": false
}
Query Task ResultsVideo generation is an async task that returns a task_id upon submission. Use the Get Task Status endpoint to query generation progress and results.