Happy Horse 1.1 — Image To Video

Create Happy Horse 1.1 — Image To Video

curl --request POST \
  --url https://api.apisale.ai/v1/run/alibaba/happy-horse/v1.1/image-to-video \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": {
    "duration": 10,
    "resolution": "1080p",
    "enable_safety_checker": true,
    "prompt": "character1 in a cozy dim room strums once, looks up and says in English: \"This next one I wrote at three in the morning.\" Warm practical light, intimate, cinematic, precise lip-sync.",
    "image_url": "https://assets.apisale.ai/permanent/official/rehosted/alibaba/happy-horse/v1-1/image-to-video/a2ea393c5882.png"
  }
}
'

import requests

url = "https://api.apisale.ai/v1/run/alibaba/happy-horse/v1.1/image-to-video"

payload = { "input": {
        "duration": 10,
        "resolution": "1080p",
        "enable_safety_checker": True,
        "prompt": "character1 in a cozy dim room strums once, looks up and says in English: \"This next one I wrote at three in the morning.\" Warm practical light, intimate, cinematic, precise lip-sync.",
        "image_url": "https://assets.apisale.ai/permanent/official/rehosted/alibaba/happy-horse/v1-1/image-to-video/a2ea393c5882.png"
    } }
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    input: {
      duration: 10,
      resolution: '1080p',
      enable_safety_checker: true,
      prompt: 'character1 in a cozy dim room strums once, looks up and says in English: "This next one I wrote at three in the morning." Warm practical light, intimate, cinematic, precise lip-sync.',
      image_url: 'https://assets.apisale.ai/permanent/official/rehosted/alibaba/happy-horse/v1-1/image-to-video/a2ea393c5882.png'
    }
  })
};

fetch('https://api.apisale.ai/v1/run/alibaba/happy-horse/v1.1/image-to-video', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "run_id": "<string>",
  "endpoint": "<string>",
  "model": "<string>",
  "capability": "<string>",
  "mode": "<string>",
  "status": "queued",
  "created_at": "2023-11-07T05:31:56Z",
  "output": {},
  "error": {
    "type": "<string>",
    "code": 123,
    "message": "<string>"
  },
  "billing": {
    "amount": "<string>",
    "currency": "usd"
  },
  "started_at": "2023-11-07T05:31:56Z",
  "completed_at": "2023-11-07T05:31:56Z",
  "elapsed_ms": 123
}

POST

run

alibaba

happy-horse

v1.1

image-to-video

Create Happy Horse 1.1 — Image To Video

curl --request POST \
  --url https://api.apisale.ai/v1/run/alibaba/happy-horse/v1.1/image-to-video \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": {
    "duration": 10,
    "resolution": "1080p",
    "enable_safety_checker": true,
    "prompt": "character1 in a cozy dim room strums once, looks up and says in English: \"This next one I wrote at three in the morning.\" Warm practical light, intimate, cinematic, precise lip-sync.",
    "image_url": "https://assets.apisale.ai/permanent/official/rehosted/alibaba/happy-horse/v1-1/image-to-video/a2ea393c5882.png"
  }
}
'

import requests

url = "https://api.apisale.ai/v1/run/alibaba/happy-horse/v1.1/image-to-video"

payload = { "input": {
        "duration": 10,
        "resolution": "1080p",
        "enable_safety_checker": True,
        "prompt": "character1 in a cozy dim room strums once, looks up and says in English: \"This next one I wrote at three in the morning.\" Warm practical light, intimate, cinematic, precise lip-sync.",
        "image_url": "https://assets.apisale.ai/permanent/official/rehosted/alibaba/happy-horse/v1-1/image-to-video/a2ea393c5882.png"
    } }
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    input: {
      duration: 10,
      resolution: '1080p',
      enable_safety_checker: true,
      prompt: 'character1 in a cozy dim room strums once, looks up and says in English: "This next one I wrote at three in the morning." Warm practical light, intimate, cinematic, precise lip-sync.',
      image_url: 'https://assets.apisale.ai/permanent/official/rehosted/alibaba/happy-horse/v1-1/image-to-video/a2ea393c5882.png'
    }
  })
};

fetch('https://api.apisale.ai/v1/run/alibaba/happy-horse/v1.1/image-to-video', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "run_id": "<string>",
  "endpoint": "<string>",
  "model": "<string>",
  "capability": "<string>",
  "mode": "<string>",
  "status": "queued",
  "created_at": "2023-11-07T05:31:56Z",
  "output": {},
  "error": {
    "type": "<string>",
    "code": 123,
    "message": "<string>"
  },
  "billing": {
    "amount": "<string>",
    "currency": "usd"
  },
  "started_at": "2023-11-07T05:31:56Z",
  "completed_at": "2023-11-07T05:31:56Z",
  "elapsed_ms": 123
}

Overview

Alibaba Happy Horse 1.1 image-to-video: animate a still into 1080p video with native audio. Optimized for image to video via apisale.

Docs = API contract + Try it (snapshot). Explore = browser playground. Model page = product examples.

Endpoint

POST https://api.apisale.ai/v1/run/alibaba/happy-horse/v1.1/image-to-video


Model slug	`alibaba/happy-horse/v1.1/image-to-video`
Category	Image to Video (`image-to-video`)
Lab	Alibaba
Tier	v1.1
Mode	async

Pricing

From $0.098/sec apisale price is 30% below the vendor’s official list price.

Tier	Unit	Official price	apisale price
0638a46e-b2fa-49be-81be-ab8f26d418dd	second	$0.140	$0.098
6e706a86-826a-4a88-93df-7da34b6d2278	second	$0.180	$0.126

Official price = vendor list price. apisale price = what you pay through apisale.

Request

{‌
  "input": {‌
    "duration": 10,
    "resolution": "1080p",
    "enable_safety_checker": true,
    "prompt": "character1 in a cozy dim room strums once, looks up and says in English: \"This next one I wrote at three in the morning.\" Warm practical light, intimate, cinematic, precise lip-sync.",
    "image_url": "https://assets.apisale.ai/permanent/official/rehosted/alibaba/happy-horse/v1-1/image-to-video/a2ea393c5882.png"
  }
}

Parameters

Fields marked * are required. Use Authorization: Key YOUR_API_KEY for REST.

number

Optional random seed for reproducibility.

string

Text prompt for video generation. Maximum 2500 characters.

number

Output video duration in seconds (3-15). Default: 5 Values: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 Range: 3 – 15

string

required

Input image URL (JPEG/PNG/WEBP/GIF).

string

Default: 1080p Values: 720p, 1080p

boolean

Content moderation on input and output. Default: true

string

Optional HTTPS webhook when the run reaches a terminal state.

boolean

Block until completion (same Run response shape).

Input schema

{‌
  "params": {‌
    "seed": {‌
      "type": "int",
      "description": "Optional random seed for reproducibility."
    },
    "prompt": {‌
      "type": "string",
      "required": false,
      "max_length": 2500,
      "description": "Text prompt for video generation. Maximum 2500 characters."
    },
    "duration": {‌
      "max": 15,
      "min": 3,
      "type": "int",
      "values": [
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        10,
        11,
        12,
        13,
        14,
        15
      ],
      "default": 5,
      "description": "Output video duration in seconds (3-15)."
    },
    "image_url": {‌
      "type": "media",
      "required": true,
      "description": "Input image URL (JPEG/PNG/WEBP/GIF)."
    },
    "resolution": {‌
      "type": "enum",
      "values": [
        "720p",
        "1080p"
      ],
      "default": "1080p"
    },
    "enable_safety_checker": {‌
      "type": "bool",
      "default": true,
      "description": "Content moderation on input and output."
    }
  }
}

Submit response

Returns a Run with run_id. Poll with GET /v1/runs/{run_id} or use Try it above.

string

required

Unique run ID — save for polling and webhooks.

string

required

queued (async) or terminal state for sync runs.

object

Result when status is succeeded — see Output schema below.

Example (async submit)

{
  "run_id": "run_550e8400-e29b-41d4-a716-446655440000",
  "endpoint": "alibaba/happy-horse/v1.1/image-to-video",
  "model": "image-to-video",
  "capability": "video",
  "mode": "image-to-video",
  "status": "queued",
  "output": null,
  "error": null,
  "billing": null,
  "created_at": "2026-06-27T12:00:00.000Z",
  "started_at": null,
  "completed_at": null,
  "elapsed_ms": null
}

Full lifecycle: Runs lifecycle.

Output

When status is succeeded, output follows this schema:

Output schema

{‌
  "type": "object",
  "example": {‌
    "videos": [
      {‌
        "url": "https://cdn.example.com/tasks/0.mp4"
      }
    ]
  },
  "required": [
    "videos"
  ],
  "properties": {‌
    "videos": {‌
      "type": "array",
      "items": {‌
        "type": "object",
        "required": [
          "url"
        ],
        "properties": {‌
          "url": {‌
            "type": "string",
            "format": "uri"
          }
        }
      }
    }
  },
  "description": "Succeeded task output: single video URL."
}

Example

curl -X POST "https://api.apisale.ai/v1/run/alibaba/happy-horse/v1.1/image-to-video" \
  -H "Authorization: Key YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "duration": 10,
    "resolution": "1080p",
    "enable_safety_checker": true,
    "prompt": "character1 in a cozy dim room strums once, looks up and says in English: \"This next one I wrote at three in the morning.\" Warm practical light, intimate, cinematic, precise lip-sync.",
    "image_url": "https://assets.apisale.ai/permanent/official/rehosted/alibaba/happy-horse/v1-1/image-to-video/a2ea393c5882.png"
  }
}'

Authorizations

Authorization

string

header

required

Key sk-... (native REST) or Bearer sk-... (vendor SDKs)

Body

application/json

input

object

required

Show child attributes

Example:

{
  "duration": 10,
  "resolution": "1080p",
  "enable_safety_checker": true,
  "prompt": "character1 in a cozy dim room strums once, looks up and says in English: \"This next one I wrote at three in the morning.\" Warm practical light, intimate, cinematic, precise lip-sync.",
  "image_url": "https://assets.apisale.ai/permanent/official/rehosted/alibaba/happy-horse/v1-1/image-to-video/a2ea393c5882.png"
}

webhook_url

string<uri>

sync

boolean

default:false

Response

201 - application/json

Run accepted

run_id

string

required

Unique run identifier

endpoint

string

required

Model slug

model

string

required

capability

string

required

mode

string

required

status

enum<string>

required

Available options:

queued,

processing,

succeeded,

failed,

timeout,

cancelled

created_at

string<date-time>

required

output

object | null

error

object | null

Show child attributes

billing

object | null

Show child attributes

started_at

string<date-time> | null

completed_at

string<date-time> | null

elapsed_ms

number | null

Get Started

Overview

Image

Video

Audio

Model APIs

Official SDK compatibility

Platform API Reference

Happy Horse 1.1 — Image To Video

Overview

Endpoint

Pricing

Request

Parameters

Submit response

Example (async submit)

Output

Example

Authorizations

Body

Response

​Overview

​Endpoint

​Pricing

​Request

​Parameters

​Submit response

​Example (async submit)

​Output

​Example

​Related

Authorizations

Body

Response

Overview

Endpoint

Pricing

Request

Parameters

Submit response

Example (async submit)

Output

Example

Related