Veo3.1 Text-to-Video

curl --request POST \
  --url https://api.aihubmax.com/v1/videos/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "veo-3.1-text-to-video",
  "prompt": "A golden retriever running on the beach at sunset",
  "aspect_ratio": "16:9",
  "duration": 8,
  "resolution": "1080p",
  "generate_audio": true
}
'

{
  "created": 1757165031,
  "id": "task-unified-1757165031-uyujaw3d",
  "model": "<string>",
  "object": "video.generation.task",
  "progress": 0,
  "status": "pending",
  "task_info": {
    "can_cancel": true,
    "estimated_time": 45
  },
  "type": "video"
}

{
  "error": {
    "message": "Invalid request format",
    "type": "invalid_request_error"
  }
}

{
  "error": {
    "message": "Invalid API key",
    "type": "authentication_error"
  }
}

{
  "error": {
    "message": "Insufficient account balance",
    "type": "insufficient_quota"
  }
}

{
  "error": {
    "message": "Parameter validation failed",
    "type": "validation_error"
  }
}

{
  "error": {
    "message": "Rate limit exceeded",
    "type": "rate_limit_error"
  }
}

{
  "error": {
    "message": "Internal server error",
    "type": "server_error"
  }
}

{
  "error": {
    "message": "Service temporarily unavailable, please try again later",
    "type": "service_unavailable"
  }
}

POST

videos

generations

curl --request POST \
  --url https://api.aihubmax.com/v1/videos/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "veo-3.1-text-to-video",
  "prompt": "A golden retriever running on the beach at sunset",
  "aspect_ratio": "16:9",
  "duration": 8,
  "resolution": "1080p",
  "generate_audio": true
}
'

{
  "created": 1757165031,
  "id": "task-unified-1757165031-uyujaw3d",
  "model": "<string>",
  "object": "video.generation.task",
  "progress": 0,
  "status": "pending",
  "task_info": {
    "can_cancel": true,
    "estimated_time": 45
  },
  "type": "video"
}

{
  "error": {
    "message": "Invalid request format",
    "type": "invalid_request_error"
  }
}

{
  "error": {
    "message": "Invalid API key",
    "type": "authentication_error"
  }
}

{
  "error": {
    "message": "Insufficient account balance",
    "type": "insufficient_quota"
  }
}

{
  "error": {
    "message": "Parameter validation failed",
    "type": "validation_error"
  }
}

{
  "error": {
    "message": "Rate limit exceeded",
    "type": "rate_limit_error"
  }
}

{
  "error": {
    "message": "Internal server error",
    "type": "server_error"
  }
}

{
  "error": {
    "message": "Service temporarily unavailable, please try again later",
    "type": "service_unavailable"
  }
}

Authorizations

Authorization

string

header

required

All APIs require Bearer Token authentication

Add to request header:

Authorization: Bearer YOUR_API_KEY

Body

application/json

model

string

default:veo-3.1-text-to-video

required

veo-3.1-text-to-video: Standard text-to-video veo-3.1-fast-text-to-video: Fast version veo-3.1-lite-text-to-video: Lite version, only supports 720p / 1080p; 1080p only supports 8 seconds

Examples:

"veo-3.1-text-to-video"

"veo-3.1-fast-text-to-video"

"veo-3.1-lite-text-to-video"

prompt

string

required

Text prompt describing the desired video content

Notes:

Supports both Chinese and English
Detailed descriptions yield better generation results

Example:

"A golden retriever running on the beach at sunset"

aspect_ratio

string

default:16:9

Output video aspect ratio

Options:

16:9 — Landscape (default)
9:16 — Portrait

Example:

"16:9"

duration

integer

default:8

Output video duration (seconds)

Options: 4, 6, 8

Model differences:

veo-3.1-lite-text-to-video at resolution=1080p only supports 8 seconds

Example:

4

resolution

string

default:1080p

Output video resolution

Options:

720p — Standard definition
1080p — High definition (default)
4k — 4K Ultra HD

Model differences:

veo-3.1-text-to-video / veo-3.1-fast-text-to-video support 720p / 1080p / 4k
veo-3.1-lite-text-to-video only supports 720p / 1080p

Examples:

"720p"

"1080p"

"4k"

generate_audio

boolean

default:false

Whether to generate accompanying audio

Notes:

Disabled by default
All three model variants support true or false

Example:

true

auto_fix

boolean | null

Auto-fix prompt

Notes:

Used to automatically rewrite prompts that violate safety policies or validation requirements
All three model variants support this field; if omitted, the default behavior of the corresponding model is used

Do not pass this parameter unless necessary.

Example:

true

safety_tolerance

integer | null

Content safety level, 1 is the strictest, 6 is the most permissive

Model differences:

Available for veo-3.1-text-to-video / veo-3.1-fast-text-to-video
Not applicable for veo-3.1-lite-text-to-video

Do not pass this parameter unless necessary.

Required range: 1 <= x <= 6

Example:

3

enhance_prompt

boolean | null

Automatically enhance the prompt

Model differences:

Only available for veo-3.1-text-to-video
Not applicable for veo-3.1-fast-text-to-video / veo-3.1-lite-text-to-video

Do not pass this parameter unless necessary.

Example:

true

person_generation

string | null

Person generation control

Options: dont_allow / allow_adult

Model differences:

Only available for veo-3.1-text-to-video
Not applicable for veo-3.1-fast-text-to-video / veo-3.1-lite-text-to-video

Do not pass this parameter unless necessary.

Example:

"allow_adult"

negative_prompt

string | null

Negative prompt, describing elements you do not want to appear

Notes:

Separate multiple keywords with commas

Do not pass this parameter unless necessary.

Example:

"blurry, low quality, watermark"

seed

integer | null

Random seed

Notes:

Set a fixed value to reproduce generation results
Omit for random

Do not pass this parameter unless necessary.

Example:

42

Response

Task created successfully

created

integer

Task creation timestamp

Example:

1757165031

string

Task ID

Example:

"task-unified-1757165031-uyujaw3d"

model

string

Actual model name used

object

enum<string>

Specific task type

Available options:

video.generation.task

progress

integer

Task progress percentage (0-100)

Required range: 0 <= x <= 100

Example:

0

status

enum<string>

Task status

Available options:

pending,

processing,

completed,

failed

Example:

"pending"

task_info

object

Asynchronous task info

Show child attributes

type

enum<string>

Task output type

Available options:

video

Example:

"video"

Image Series

Video Series

Audio Series

Text Series

Document Processing

Task Management

File Management

Veo3.1 Text-to-Video

Authorizations

All APIs require Bearer Token authentication

Body

Response