Happyhorse HappyHorse 1.0 Video Edit API | Pricing & Docs

happyhorse/happyhorse-1-0/video-edit

HappyHorse 1.0 Video Edit is live on RunComfy via Alibaba. Send in a 3–60s video plus a prompt and optional reference images — HappyHorse 1.0 Video Edit returns a 3–15s 720P or 1080P edited clip with stable identity and motion.

1. Get started

Use RunComfy's API to run happyhorse/happyhorse-1-0/video-edit. For accepted inputs and outputs, see the model's schema.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/happyhorse/happyhorse-1-0/video-edit \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "video_url": "https://playgrounds-storage-public.runcomfy.net/tools/7346/media-files/input.mp4",
    "prompt": "Dress the horse-headed character in the video with the striped sweater shown in the reference image, keep the original background and motion."
  }'

2. Authentication

Set the YOUR_API_TOKEN environment variable with your API key (manage keys in your Profile) and include it on every request as a Bearer token via the Authorization header: Authorization: Bearer $YOUR_API_TOKEN.

3. API reference

Submit a request

Submit an asynchronous generation job and immediately receive a request_id plus URLs to check status, fetch results, and cancel.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/happyhorse/happyhorse-1-0/video-edit \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "video_url": "https://playgrounds-storage-public.runcomfy.net/tools/7346/media-files/input.mp4",
    "prompt": "Dress the horse-headed character in the video with the striped sweater shown in the reference image, keep the original background and motion."
  }'

Monitor request status

Fetch the current state for a request_id ("in_queue", "in_progress", "completed", or "cancelled").

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/status \
  --header "Authorization: Bearer <token>"

Retrieve request results

Retrieve the final outputs and metadata for the given request_id; if the job is not complete, the response returns the current state so you can continue polling.

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/result \
  --header "Authorization: Bearer <token>"

Cancel a request

Cancel a queued job by request_id; in-progress jobs cannot be cancelled.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/cancel \
  --header "Authorization: Bearer <token>"

4. File inputs

Hosted file (URL)

Provide a publicly reachable HTTPS URL. Ensure the host allows server-side fetches (no login/cookies required) and isn't rate-limited or blocking bots. Recommended limits: images ≤ 50 MB (~4K), videos ≤ 100 MB (~2–5 min @ 720p). Prefer stable or pre-signed URLs for private assets.

5. Schema

Input schema

{
  "type": "object",
  "title": "Input schema",
  "required": [
    "video_url",
    "prompt"
  ],
  "properties": {
    "video_url": {
      "title": "Video",
      "description": "Source video that HappyHorse 1.0 Video Edit will edit. Format: MP4 or MOV (H.264 recommended). Duration 3–60s, long side ≤2160px, short side ≥320px, aspect ratio 1:2.5–2.5:1, file size ≤100MB, frame rate >8fps.",
      "type": "string",
      "default": "https://playgrounds-storage-public.runcomfy.net/tools/7346/media-files/input.mp4"
    },
    "prompt": {
      "title": "Prompt",
      "description": "Text instruction describing the edit — style change, local replacement, outfit swap, or other modification you want HappyHorse 1.0 Video Edit to apply. Max 2500 Chinese characters or 5000 non-Chinese characters.",
      "type": "string",
      "default": "Dress the horse-headed character in the video with the striped sweater shown in the reference image, keep the original background and motion.",
      "maxLength": 5000
    },
    "reference_image_url_1": {
      "title": "Reference Image 1",
      "description": "Optional reference image to guide HappyHorse 1.0 Video Edit (e.g. an outfit, pattern, or style). JPEG, JPG, PNG, or WEBP. Min 300px on each side, aspect ratio 1:2.5–2.5:1, file size ≤10MB.",
      "type": "string"
    },
    "reference_image_url_2": {
      "title": "Reference Image 2",
      "description": "Optional second reference image for HappyHorse 1.0 Video Edit. Leave empty if not needed.",
      "type": "string"
    },
    "reference_image_url_3": {
      "title": "Reference Image 3",
      "description": "Optional third reference image for HappyHorse 1.0 Video Edit. Leave empty if not needed.",
      "type": "string"
    },
    "reference_image_url_4": {
      "title": "Reference Image 4",
      "description": "Optional fourth reference image for HappyHorse 1.0 Video Edit. Leave empty if not needed.",
      "type": "string"
    },
    "reference_image_url_5": {
      "title": "Reference Image 5",
      "description": "Optional fifth reference image for HappyHorse 1.0 Video Edit. Leave empty if not needed.",
      "type": "string"
    },
    "resolution": {
      "title": "Resolution",
      "description": "Output resolution tier for HappyHorse 1.0 Video Edit. Choose 720P or 1080P.",
      "type": "string",
      "enum": [
        "720P",
        "1080P"
      ],
      "default": "1080P"
    },
    "audio_setting": {
      "title": "Audio Setting",
      "description": "Audio handling for HappyHorse 1.0 Video Edit. `auto` lets the model decide; `origin` keeps the original audio track of the input video.",
      "type": "string",
      "enum": [
        "auto",
        "origin"
      ],
      "default": "auto"
    },
    "seed": {
      "title": "Seed",
      "description": "Optional seed for reproducible generations. Use 0 to let the provider randomize.",
      "type": "integer",
      "minimum": 0,
      "maximum": 2147483647,
      "default": 0
    },
    "watermark": {
      "title": "Watermark",
      "description": "Whether to keep the provider \"Happy Horse\" watermark on the generated video.",
      "type": "boolean",
      "default": false
    }
  }
}

Output schema

{
  "output": {
    "type": "object",
    "properties": {
      "image": {
        "type": "string",
        "format": "uri",
        "description": "single image URL"
      },
      "video": {
        "type": "string",
        "format": "uri",
        "description": "single video URL"
      },
      "images": {
        "type": "array",
        "description": "multiple image URLs",
        "items": {
          "type": "string",
          "format": "uri"
        }
      },
      "videos": {
        "type": "array",
        "description": "multiple video URLs",
        "items": {
          "type": "string",
          "format": "uri"
        }
      }
    }
  }
}

RunComfy

RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.

1. Get started

Use RunComfy's API to run happyhorse/happyhorse-1-0/video-edit. For accepted inputs and outputs, see the model's schema.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/happyhorse/happyhorse-1-0/video-edit \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "video_url": "https://playgrounds-storage-public.runcomfy.net/tools/7346/media-files/input.mp4",
    "prompt": "Dress the horse-headed character in the video with the striped sweater shown in the reference image, keep the original background and motion."
  }'

3. API reference

Submit a request

Submit an asynchronous generation job and immediately receive a request_id plus URLs to check status, fetch results, and cancel.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/happyhorse/happyhorse-1-0/video-edit \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "video_url": "https://playgrounds-storage-public.runcomfy.net/tools/7346/media-files/input.mp4",
    "prompt": "Dress the horse-headed character in the video with the striped sweater shown in the reference image, keep the original background and motion."
  }'

Monitor request status

Fetch the current state for a request_id ("in_queue", "in_progress", "completed", or "cancelled").

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/status \
  --header "Authorization: Bearer <token>"

Retrieve request results

Retrieve the final outputs and metadata for the given request_id; if the job is not complete, the response returns the current state so you can continue polling.

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/result \
  --header "Authorization: Bearer <token>"

Cancel a request

Cancel a queued job by request_id; in-progress jobs cannot be cancelled.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/cancel \
  --header "Authorization: Bearer <token>"

4. File inputs

Hosted file (URL)

5. Schema

Input schema

{
  "type": "object",
  "title": "Input schema",
  "required": [
    "video_url",
    "prompt"
  ],
  "properties": {
    "video_url": {
      "title": "Video",
      "description": "Source video that HappyHorse 1.0 Video Edit will edit. Format: MP4 or MOV (H.264 recommended). Duration 3–60s, long side ≤2160px, short side ≥320px, aspect ratio 1:2.5–2.5:1, file size ≤100MB, frame rate >8fps.",
      "type": "string",
      "default": "https://playgrounds-storage-public.runcomfy.net/tools/7346/media-files/input.mp4"
    },
    "prompt": {
      "title": "Prompt",
      "description": "Text instruction describing the edit — style change, local replacement, outfit swap, or other modification you want HappyHorse 1.0 Video Edit to apply. Max 2500 Chinese characters or 5000 non-Chinese characters.",
      "type": "string",
      "default": "Dress the horse-headed character in the video with the striped sweater shown in the reference image, keep the original background and motion.",
      "maxLength": 5000
    },
    "reference_image_url_1": {
      "title": "Reference Image 1",
      "description": "Optional reference image to guide HappyHorse 1.0 Video Edit (e.g. an outfit, pattern, or style). JPEG, JPG, PNG, or WEBP. Min 300px on each side, aspect ratio 1:2.5–2.5:1, file size ≤10MB.",
      "type": "string"
    },
    "reference_image_url_2": {
      "title": "Reference Image 2",
      "description": "Optional second reference image for HappyHorse 1.0 Video Edit. Leave empty if not needed.",
      "type": "string"
    },
    "reference_image_url_3": {
      "title": "Reference Image 3",
      "description": "Optional third reference image for HappyHorse 1.0 Video Edit. Leave empty if not needed.",
      "type": "string"
    },
    "reference_image_url_4": {
      "title": "Reference Image 4",
      "description": "Optional fourth reference image for HappyHorse 1.0 Video Edit. Leave empty if not needed.",
      "type": "string"
    },
    "reference_image_url_5": {
      "title": "Reference Image 5",
      "description": "Optional fifth reference image for HappyHorse 1.0 Video Edit. Leave empty if not needed.",
      "type": "string"
    },
    "resolution": {
      "title": "Resolution",
      "description": "Output resolution tier for HappyHorse 1.0 Video Edit. Choose 720P or 1080P.",
      "type": "string",
      "enum": [
        "720P",
        "1080P"
      ],
      "default": "1080P"
    },
    "audio_setting": {
      "title": "Audio Setting",
      "description": "Audio handling for HappyHorse 1.0 Video Edit. `auto` lets the model decide; `origin` keeps the original audio track of the input video.",
      "type": "string",
      "enum": [
        "auto",
        "origin"
      ],
      "default": "auto"
    },
    "seed": {
      "title": "Seed",
      "description": "Optional seed for reproducible generations. Use 0 to let the provider randomize.",
      "type": "integer",
      "minimum": 0,
      "maximum": 2147483647,
      "default": 0
    },
    "watermark": {
      "title": "Watermark",
      "description": "Whether to keep the provider \"Happy Horse\" watermark on the generated video.",
      "type": "boolean",
      "default": false
    }
  }
}

Output schema

{
  "output": {
    "type": "object",
    "properties": {
      "image": {
        "type": "string",
        "format": "uri",
        "description": "single image URL"
      },
      "video": {
        "type": "string",
        "format": "uri",
        "description": "single video URL"
      },
      "images": {
        "type": "array",
        "description": "multiple image URLs",
        "items": {
          "type": "string",
          "format": "uri"
        }
      },
      "videos": {
        "type": "array",
        "description": "multiple video URLs",
        "items": {
          "type": "string",
          "format": "uri"
        }
      }
    }
  }
}

HappyHorse 1.0 Video Edit is live on RunComfy via Alibaba. Send in a 3–60s video plus a prompt and optional reference images — HappyHorse 1.0 Video Edit returns a 3–15s 720P or 1080P edited clip with stable identity and motion.

Table of contents

1. Get started

2. Authentication

3. API reference

Submit a request

Monitor request status

Retrieve request results

Cancel a request

4. File inputs

Hosted file (URL)

5. Schema

Input schema

Output schema

HappyHorse 1.0 Video Edit is live on RunComfy via Alibaba. Send in a 3–60s video plus a prompt and optional reference images — HappyHorse 1.0 Video Edit returns a 3–15s 720P or 1080P edited clip with stable identity and motion.

Table of contents

1. Get started

2. Authentication

3. API reference

Submit a request

Monitor request status

Retrieve request results

Cancel a request

4. File inputs

Hosted file (URL)

5. Schema

Input schema

Output schema

HappyHorse 1.0 Video Edit: Instruction-Based AI Video Editing Model | RunComfy

HappyHorse 1.0 Video Edit is live on RunComfy via Alibaba. Send in a 3–60s video plus a prompt and optional reference images — HappyHorse 1.0 Video Edit returns a 3–15s 720P or 1080P edited clip with stable identity and motion.

Table of contents

1. Get started

2. Authentication

3. API reference

Submit a request

Monitor request status

Retrieve request results

Cancel a request

4. File inputs

Hosted file (URL)

5. Schema

Input schema

Output schema

HappyHorse 1.0 Video Edit: Instruction-Based AI Video Editing Model | RunComfy

HappyHorse 1.0 Video Edit is live on RunComfy via Alibaba. Send in a 3–60s video plus a prompt and optional reference images — HappyHorse 1.0 Video Edit returns a 3–15s 720P or 1080P edited clip with stable identity and motion.

Table of contents

1. Get started

2. Authentication

3. API reference

Submit a request

Monitor request status

Retrieve request results

Cancel a request

4. File inputs

Hosted file (URL)

5. Schema

Input schema

Output schema