HappyHorse 1.0 Reference to Video

curl --request POST \
  --url https://api.aihubmax.com/v1/videos/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "happyhorse-1.0-reference-to-video",
  "prompt": "@Image1 dancing on a moonlit stage",
  "image_urls": [
    "https://example.com/character.jpg"
  ],
  "aspect_ratio": "16:9",
  "duration": 5,
  "resolution": "1080p"
}
'

{
  "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": "happyhorse-1.0-reference-to-video",
  "prompt": "@Image1 dancing on a moonlit stage",
  "image_urls": [
    "https://example.com/character.jpg"
  ],
  "aspect_ratio": "16:9",
  "duration": 5,
  "resolution": "1080p"
}
'

{
  "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:happyhorse-1.0-reference-to-video

required

happyhorse-1.0-reference-to-video: reference-image-to-video

Example:

"happyhorse-1.0-reference-to-video"

prompt

string

required

Video generation prompt. Use @Image1 ~ @Image9 to reference each image

Notes:

Maximum 2500 characters

Maximum string length: 2500

Example:

"@Image1 and @Image2 training together at sunrise"

image_urls

string[]

required

List of reference image URLs, 1-9 images

Notes:

Supports JPEG / PNG / WEBP
Short edge ≥ 400px
Each image up to 10MB
Array order corresponds to @Image1 ~ @Image9 in the prompt

Required array length: 1 - 9 elements

Example:

["https://example.com/character.jpg"]

aspect_ratio

enum<string>

default:16:9

Output video aspect ratio

Options: 16:9, 9:16, 1:1, 4:3, 3:4

Available options:

16:9,

9:16,

1:1,

4:3,

3:4

Example:

"16:9"

duration

integer

default:5

Output video duration in seconds. Supports integers from 3 to 15.

Required range: 3 <= x <= 15

Example:

3

resolution

enum<string>

default:1080p

Output video resolution. Options: 720p or 1080p.

Available options:

720p,

1080p

Example:

"720p"

seed

integer | null

Random seed used to improve result reproducibility.

Required range: 0 <= x <= 2147483647

Example:

123

enable_safety_checker

boolean | null

Whether to enable the safety checker. If not provided, the model default behavior is used.

Do not pass this parameter unless necessary.

Example:

true

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 information

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

HappyHorse 1.0 Reference to Video

Authorizations

All APIs require Bearer Token authentication

Body

Response