> ## Documentation Index
> Fetch the complete documentation index at: https://veniceai-feat-models-redesign.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# HappyHorse 1.0 API

> HappyHorse 1.0 API on Venice: text to video, image to video, reference to video and video editing, up to 1080p and 15s clips, from $0.15 per second.

export const HubMount = ({view, children, ...props}) => {
  const [hub, setHub] = useState(null);
  const [failed, setFailed] = useState(false);
  useEffect(() => {
    let alive = true;
    const w = window;
    if (!w.__veniceModelHub) {
      const urls = w.location.hostname === 'localhost' ? ['http://localhost:3333/data/model-hub.bundle.json', '/data/model-hub.bundle.json'] : ['/data/model-hub.bundle.json'];
      const load = i => fetch(urls[i], {
        cache: 'no-cache'
      }).then(res => {
        if (!res.ok) throw new Error(`bundle ${res.status}`);
        return res.json();
      }).catch(err => i + 1 < urls.length ? load(i + 1) : Promise.reject(err));
      const Frag = <></>.type;
      const h = (type, props, ...kids) => {
        const T = type;
        const {key, ...rest} = props || ({});
        if (!kids.length) return <T key={key} {...rest} />;
        if (kids.length === 1) return <T key={key} {...rest}>{kids[0]}</T>;
        return <T key={key} {...rest}>{kids.map((kid, i) => <Frag key={i}>{kid}</Frag>)}</T>;
      };
      w.__veniceModelHub = load(0).then(bundle => new Function(`return (${bundle.code})`)()({
        h,
        Fragment: Frag,
        useState,
        useEffect,
        useRef,
        useMemo,
        useCallback
      }));
    }
    w.__veniceModelHub.then(instance => {
      if (alive) setHub(instance);
    }).catch(() => {
      w.__veniceModelHub = null;
      if (alive) setFailed(true);
    });
    return () => {
      alive = false;
    };
  }, []);
  const View = hub ? hub[view] : null;
  if (View) return <View {...props}>{children}</View>;
  if (failed) {
    return <div className="vx-mount is-failed">
        <p className="vx-mount-note">The interactive model catalog could not load. The full data is below.</p>
        {children}
      </div>;
  }
  return <div className="vx-mount" aria-busy="true">
      <div className="vx-mount-skeleton" aria-hidden="true"><span /><span /><span /></div>
      <div className="vx-mount-source">{children}</div>
    </div>;
};

<HubMount view="ModelPage" data={{"family":{"slug":"happyhorse-1-0","name":"HappyHorse 1.0","modality":"video","task":"video","provider":"happyhorse","primary":"happyhorse-1-0-text-to-video","variants":["happyhorse-1-0-text-to-video","happyhorse-1-0-image-to-video","happyhorse-1-0-reference-to-video","happyhorse-1-0-video-to-video"],"created":1776988800,"updated":1777248000,"privacy":["anonymized"],"sets":["high_resolution","featured"],"modes":["t2v","i2v","r2v","v2v"]},"models":[{"id":"happyhorse-1-0-text-to-video","name":"HappyHorse 1.0","type":"video","modality":"video","task":"video","variant":"t2v","provider":"happyhorse","created":1776988800,"privacy":"anonymized","sets":["high_resolution","featured"],"video":{"mode":"t2v","resolutions":[{"value":"1080p","label":"1080p","height":1080},{"value":"720p","label":"720p","height":720}],"durations":[{"value":"3s","seconds":3},{"value":"4s","seconds":4},{"value":"5s","seconds":5},{"value":"6s","seconds":6},{"value":"7s","seconds":7},{"value":"8s","seconds":8},{"value":"9s","seconds":9},{"value":"10s","seconds":10},{"value":"11s","seconds":11},{"value":"12s","seconds":12},{"value":"13s","seconds":13},{"value":"14s","seconds":14},{"value":"15s","seconds":15}],"aspectRatios":["16:9","9:16","1:1"],"audio":"native"},"pricing":{"status":"quoted","quotedAt":"2026-09-28T23:21:58.442Z","aspectRatio":"16:9","quotes":{"1080p|3s|on":0.79,"1080p|4s|on":1.06,"1080p|5s|on":1.32,"1080p|6s|on":1.58,"1080p|7s|on":1.85,"1080p|8s|on":2.11,"1080p|9s|on":2.38,"1080p|10s|on":2.64,"1080p|11s|on":2.9,"1080p|12s|on":3.17,"1080p|13s|on":3.43,"1080p|14s|on":3.7,"1080p|15s|on":3.96,"720p|3s|on":0.46,"720p|4s|on":0.62,"720p|5s|on":0.77,"720p|6s|on":0.92,"720p|7s|on":1.08,"720p|8s|on":1.23,"720p|9s|on":1.39,"720p|10s|on":1.54,"720p|11s|on":1.69,"720p|12s|on":1.85,"720p|13s|on":2,"720p|14s|on":2.16,"720p|15s|on":2.31},"perSecond":{"1080p|on":0.264,"720p|on":0.154},"fromPerSecond":0.154,"toPerSecond":0.264},"headline":{"unit":"per second","basis":"lens"},"endpoints":[{"id":"video-queue","method":"POST","path":"/video/queue","name":"Queue generation","status":"stable","recommended":true},{"id":"video-retrieve","method":"POST","path":"/video/retrieve","name":"Retrieve result","status":"stable"},{"id":"video-quote","method":"POST","path":"/video/quote","name":"Quote price","status":"stable"}],"media":[{"prompt":"cinematic-landscape","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/cinematic-landscape.mp4","title":"Cinematic landscape","caption":"Slow aerial drone shot gliding over a misty mountain valley at golden hour, sunlight piercing clouds onto a winding river, ancient pine forests on either side, ultra-smooth motion, professional color grading, atmospheric haze, 4K","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"},{"prompt":"ocean-loop","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/ocean-loop.mp4","title":"Seamless loop","caption":"Calm ocean waves rolling onto a black-sand beach at sunrise, golden light on wet sand, foam dissolving into the shore, a single silhouetted figure at the waterline, smooth continuous forward push, serene cinematic atmosphere","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"},{"prompt":"urban-night","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/urban-night.mp4","title":"Urban cinematic","caption":"A slow tracking shot through a rain-soaked Tokyo street at night, neon reflecting in puddles, steam rising from a food cart, a person with a translucent umbrella, shallow depth of field, teal-and-orange grade, smooth steady camera","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"}],"family":"happyhorse-1-0"},{"id":"happyhorse-1-0-image-to-video","name":"HappyHorse 1.0","type":"video","modality":"video","task":"video","variant":"i2v","provider":"happyhorse","created":1777075200,"privacy":"anonymized","sets":["high_resolution"],"video":{"mode":"i2v","resolutions":[{"value":"1080p","label":"1080p","height":1080},{"value":"720p","label":"720p","height":720}],"durations":[{"value":"3s","seconds":3},{"value":"4s","seconds":4},{"value":"5s","seconds":5},{"value":"6s","seconds":6},{"value":"7s","seconds":7},{"value":"8s","seconds":8},{"value":"9s","seconds":9},{"value":"10s","seconds":10},{"value":"11s","seconds":11},{"value":"12s","seconds":12},{"value":"13s","seconds":13},{"value":"14s","seconds":14},{"value":"15s","seconds":15}],"audio":"native","inputs":{"image":true}},"pricing":{"status":"quoted","quotedAt":"2026-09-28T23:22:03.495Z","quotes":{"1080p|3s|on":0.79,"1080p|4s|on":1.06,"1080p|5s|on":1.32,"1080p|6s|on":1.58,"1080p|7s|on":1.85,"1080p|8s|on":2.11,"1080p|9s|on":2.38,"1080p|10s|on":2.64,"1080p|11s|on":2.9,"1080p|12s|on":3.17,"1080p|13s|on":3.43,"1080p|14s|on":3.7,"1080p|15s|on":3.96,"720p|3s|on":0.46,"720p|4s|on":0.62,"720p|5s|on":0.77,"720p|6s|on":0.92,"720p|7s|on":1.08,"720p|8s|on":1.23,"720p|9s|on":1.39,"720p|10s|on":1.54,"720p|11s|on":1.69,"720p|12s|on":1.85,"720p|13s|on":2,"720p|14s|on":2.16,"720p|15s|on":2.31},"perSecond":{"1080p|on":0.264,"720p|on":0.154},"fromPerSecond":0.154,"toPerSecond":0.264},"headline":{"unit":"per second","basis":"lens"},"endpoints":[{"id":"video-queue","method":"POST","path":"/video/queue","name":"Queue generation","status":"stable","recommended":true},{"id":"video-retrieve","method":"POST","path":"/video/retrieve","name":"Retrieve result","status":"stable"},{"id":"video-quote","method":"POST","path":"/video/quote","name":"Quote price","status":"stable"}],"media":[{"prompt":"cinematic-landscape","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/cinematic-landscape.mp4","title":"Cinematic landscape","caption":"Slow aerial drone shot gliding over a misty mountain valley at golden hour, sunlight piercing clouds onto a winding river, ancient pine forests on either side, ultra-smooth motion, professional color grading, atmospheric haze, 4K","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"},{"prompt":"ocean-loop","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/ocean-loop.mp4","title":"Seamless loop","caption":"Calm ocean waves rolling onto a black-sand beach at sunrise, golden light on wet sand, foam dissolving into the shore, a single silhouetted figure at the waterline, smooth continuous forward push, serene cinematic atmosphere","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"},{"prompt":"urban-night","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/urban-night.mp4","title":"Urban cinematic","caption":"A slow tracking shot through a rain-soaked Tokyo street at night, neon reflecting in puddles, steam rising from a food cart, a person with a translucent umbrella, shallow depth of field, teal-and-orange grade, smooth steady camera","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"}],"family":"happyhorse-1-0"},{"id":"happyhorse-1-0-reference-to-video","name":"HappyHorse 1.0 Reference","type":"video","modality":"video","task":"video","variant":"r2v","provider":"happyhorse","created":1777248000,"privacy":"anonymized","sets":["high_resolution"],"video":{"mode":"r2v","resolutions":[{"value":"1080p","label":"1080p","height":1080},{"value":"720p","label":"720p","height":720}],"durations":[{"value":"3s","seconds":3},{"value":"4s","seconds":4},{"value":"5s","seconds":5},{"value":"6s","seconds":6},{"value":"7s","seconds":7},{"value":"8s","seconds":8},{"value":"9s","seconds":9},{"value":"10s","seconds":10},{"value":"11s","seconds":11},{"value":"12s","seconds":12},{"value":"13s","seconds":13},{"value":"14s","seconds":14},{"value":"15s","seconds":15}],"aspectRatios":["16:9","9:16","1:1","4:3","3:4"],"audio":"native","inputs":{"reference":true}},"pricing":{"status":"quoted","quotedAt":"2026-09-28T23:22:03.496Z","aspectRatio":"16:9","quotes":{"1080p|3s|on":0.79,"1080p|4s|on":1.06,"1080p|5s|on":1.32,"1080p|6s|on":1.58,"1080p|7s|on":1.85,"1080p|8s|on":2.11,"1080p|9s|on":2.38,"1080p|10s|on":2.64,"1080p|11s|on":2.9,"1080p|12s|on":3.17,"1080p|13s|on":3.43,"1080p|14s|on":3.7,"1080p|15s|on":3.96,"720p|3s|on":0.46,"720p|4s|on":0.62,"720p|5s|on":0.77,"720p|6s|on":0.92,"720p|7s|on":1.08,"720p|8s|on":1.23,"720p|9s|on":1.39,"720p|10s|on":1.54,"720p|11s|on":1.69,"720p|12s|on":1.85,"720p|13s|on":2,"720p|14s|on":2.16,"720p|15s|on":2.31},"perSecond":{"1080p|on":0.264,"720p|on":0.154},"fromPerSecond":0.154,"toPerSecond":0.264},"headline":{"unit":"per second","basis":"lens"},"endpoints":[{"id":"video-queue","method":"POST","path":"/video/queue","name":"Queue generation","status":"stable","recommended":true},{"id":"video-retrieve","method":"POST","path":"/video/retrieve","name":"Retrieve result","status":"stable"},{"id":"video-quote","method":"POST","path":"/video/quote","name":"Quote price","status":"stable"}],"media":[{"prompt":"cinematic-landscape","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/cinematic-landscape.mp4","title":"Cinematic landscape","caption":"Slow aerial drone shot gliding over a misty mountain valley at golden hour, sunlight piercing clouds onto a winding river, ancient pine forests on either side, ultra-smooth motion, professional color grading, atmospheric haze, 4K","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"},{"prompt":"ocean-loop","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/ocean-loop.mp4","title":"Seamless loop","caption":"Calm ocean waves rolling onto a black-sand beach at sunrise, golden light on wet sand, foam dissolving into the shore, a single silhouetted figure at the waterline, smooth continuous forward push, serene cinematic atmosphere","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"},{"prompt":"urban-night","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/urban-night.mp4","title":"Urban cinematic","caption":"A slow tracking shot through a rain-soaked Tokyo street at night, neon reflecting in puddles, steam rising from a food cart, a person with a translucent umbrella, shallow depth of field, teal-and-orange grade, smooth steady camera","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"}],"family":"happyhorse-1-0"},{"id":"happyhorse-1-0-video-to-video","name":"HappyHorse 1.0 Edit","type":"video","modality":"video","task":"video","variant":"v2v","provider":"happyhorse","created":1777248000,"privacy":"anonymized","sets":["high_resolution"],"video":{"mode":"v2v","resolutions":[{"value":"1080p","label":"1080p","height":1080},{"value":"720p","label":"720p","height":720}],"durations":[{"value":"Auto"}],"audio":"native","inputs":{"video":true}},"pricing":{"status":"input-dependent"},"headline":{"unit":"per second","basis":"lens"},"endpoints":[{"id":"video-queue","method":"POST","path":"/video/queue","name":"Queue generation","status":"stable","recommended":true},{"id":"video-retrieve","method":"POST","path":"/video/retrieve","name":"Retrieve result","status":"stable"},{"id":"video-quote","method":"POST","path":"/video/quote","name":"Quote price","status":"stable"}],"media":[{"prompt":"cinematic-landscape","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/cinematic-landscape.mp4","title":"Cinematic landscape","caption":"Slow aerial drone shot gliding over a misty mountain valley at golden hour, sunlight piercing clouds onto a winding river, ancient pine forests on either side, ultra-smooth motion, professional color grading, atmospheric haze, 4K","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"},{"prompt":"ocean-loop","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/ocean-loop.mp4","title":"Seamless loop","caption":"Calm ocean waves rolling onto a black-sand beach at sunrise, golden light on wet sand, foam dissolving into the shore, a single silhouetted figure at the waterline, smooth continuous forward push, serene cinematic atmosphere","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"},{"prompt":"urban-night","type":"video","url":"https://venice.ai/samples/happyhorse-1-0/urban-night.mp4","title":"Urban cinematic","caption":"A slow tracking shot through a rain-soaked Tokyo street at night, neon reflecting in puddles, steam rising from a food cart, a person with a translucent umbrella, shallow depth of field, teal-and-orange grade, smooth steady camera","date":"2026-09-21","page":"https://venice.ai/models/happyhorse-1-0"}],"family":"happyhorse-1-0"}],"related":{"similar":[{"slug":"kling-o3-4k","name":"Kling O3 4K","provider":"kling","modality":"video","privacy":["anonymized"],"created":1776816000,"headline":{"unit":"per second","basis":"lens"},"videoFrom":0.462,"variants":3},{"slug":"kling-v3-4k","name":"Kling V3 4K","provider":"kling","modality":"video","privacy":["anonymized"],"created":1776816000,"headline":{"unit":"per second","basis":"lens"},"videoFrom":0.462,"variants":2},{"slug":"grok-imagine-video","name":"Grok Imagine","provider":"xai","modality":"video","privacy":["private"],"created":1776038400,"headline":{"unit":"per second","basis":"lens"},"videoFrom":0.06333,"variants":4},{"slug":"runway-gen-4-5","name":"Runway Gen-4.5","provider":"runway","modality":"video","privacy":["anonymized"],"created":1775952000,"headline":{"unit":"per second","basis":"lens"},"videoFrom":0.162,"variants":2}],"versions":[{"slug":"happyhorse-1-1","name":"HappyHorse 1.1","provider":"happyhorse","modality":"video","privacy":["anonymized"],"created":1782086400,"headline":{"unit":"per second","basis":"lens"},"videoFrom":0.154,"variants":3}]},"providers":{"happyhorse":{"slug":"happyhorse","name":"HappyHorse","logo":"/images/icons/models/video.svg","inferred":true},"kling":{"slug":"kling","name":"Kling AI","logo":"/images/icons/models/kling.svg"},"xai":{"slug":"xai","name":"xAI","logo":"/images/icons/models/grok.svg"},"runway":{"slug":"runway","name":"Runway","logo":"/images/icons/models/runway.svg"}},"faq":[{"q":"How much does the HappyHorse 1.0 API cost?","a":"From $0.15 to $0.26 per second of video, depending on resolution, duration and audio. A 5-second 720p clip with audio costs $0.77. Call `POST /video/quote` for the exact price before queueing. Prices are in USD and can be paid in DIEM at parity."},{"q":"What is the HappyHorse 1.0 model ID?","a":"Use `happyhorse-1-0-text-to-video` as the `model` parameter. Other variants: `happyhorse-1-0-image-to-video` (Image to video), `happyhorse-1-0-reference-to-video` (Reference to video), `happyhorse-1-0-video-to-video` (Video edit)."},{"q":"Is the HappyHorse 1.0 API private?","a":"HappyHorse 1.0 is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work."},{"q":"What resolutions and durations does HappyHorse 1.0 support?","a":"Resolutions: 1080p, 720p. Durations: 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s. Aspect ratios: 16:9, 9:16, 1:1. Audio: always generated."},{"q":"Which endpoint does the HappyHorse 1.0 API use?","a":"Queue a job with `POST /video/queue`, then poll `/video/retrieve` for the result."}]}} />

<div className="vx-static">
  <Accordion title="Plain-text specification">
    # HappyHorse 1.0 API

    HappyHorse 1.0 is a text to video, image to video, reference to video and video editing model by HappyHorse, available on the Venice API as `happyhorse-1-0-text-to-video`. Requests are anonymized, so the provider never sees your identity.

    ## HappyHorse 1.0 API pricing

    | Model ID | Variant | Privacy | Price |
    | - | - | - | - |
    | `happyhorse-1-0-text-to-video` | Text to video | Anonymized | from \$0.15 per second |
    | `happyhorse-1-0-image-to-video` | Image to video | Anonymized | from \$0.15 per second |
    | `happyhorse-1-0-reference-to-video` | Reference to video | Anonymized | from \$0.15 per second |
    | `happyhorse-1-0-video-to-video` | Video edit | Anonymized | Priced by source video length (use /video/quote) |

    Clip prices for `happyhorse-1-0-text-to-video` with audio:

    | Duration | 720p | 1080p |
    | - | - | - |
    | 3s | \$0.46 | \$0.79 |
    | 4s | \$0.62 | \$1.06 |
    | 5s | \$0.77 | \$1.32 |
    | 6s | \$0.92 | \$1.58 |
    | 7s | \$1.08 | \$1.85 |
    | 8s | \$1.23 | \$2.11 |
    | 9s | \$1.39 | \$2.38 |
    | 10s | \$1.54 | \$2.64 |
    | 11s | \$1.69 | \$2.90 |
    | 12s | \$1.85 | \$3.17 |
    | 13s | \$2.00 | \$3.43 |
    | 14s | \$2.16 | \$3.70 |
    | 15s | \$2.31 | \$3.96 |

    ## HappyHorse 1.0 specifications

    | Spec | Value |
    | - | - |
    | Provider | HappyHorse |
    | Released | Apr 24, 2026 |
    | Privacy | Anonymized |
    | Modes | text to video, image to video, reference to video and video editing |
    | Resolutions | 1080p, 720p |
    | Durations | 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s |
    | Aspect ratios | 16:9, 9:16, 1:1 |
    | Audio | Always generated |

    ## How to use the HappyHorse 1.0 API

    Send requests to `POST https://api.venice.ai/api/v1/video/queue` with `"model": "happyhorse-1-0-text-to-video"` and your API key.

    ```bash theme={null}
    # 1. Queue the job (returns a queue_id)
    curl https://api.venice.ai/api/v1/video/queue \
      -H "Authorization: Bearer $VENICE_API_KEY" \
      -H "Content-Type: application/json" \
      -d '{
        "model": "happyhorse-1-0-text-to-video",
        "prompt": "Slow aerial drone shot over a misty mountain valley at golden hour",
        "duration": "5s",
        "resolution": "720p",
        "aspect_ratio": "16:9"
      }'

    # 2. Poll until the MP4 is ready
    curl https://api.venice.ai/api/v1/video/retrieve \
      -H "Authorization: Bearer $VENICE_API_KEY" \
      -H "Content-Type: application/json" \
      -d '{ "model": "happyhorse-1-0-text-to-video", "queue_id": "<queue_id>" }' --output video.mp4
    ```

    ## HappyHorse 1.0 API FAQ

    ### How much does the HappyHorse 1.0 API cost?

    From $0.15 to $0.26 per second of video, depending on resolution, duration and audio. A 5-second 720p clip with audio costs \$0.77. Call `POST /video/quote` for the exact price before queueing. Prices are in USD and can be paid in DIEM at parity.

    ### What is the HappyHorse 1.0 model ID?

    Use `happyhorse-1-0-text-to-video` as the `model` parameter. Other variants: `happyhorse-1-0-image-to-video` (Image to video), `happyhorse-1-0-reference-to-video` (Reference to video), `happyhorse-1-0-video-to-video` (Video edit).

    ### Is the HappyHorse 1.0 API private?

    HappyHorse 1.0 is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work.

    ### What resolutions and durations does HappyHorse 1.0 support?

    Resolutions: 1080p, 720p. Durations: 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s. Aspect ratios: 16:9, 9:16, 1:1. Audio: always generated.

    ### Which endpoint does the HappyHorse 1.0 API use?

    Queue a job with `POST /video/queue`, then poll `/video/retrieve` for the result.

    ## Related models

    * [HappyHorse 1.1 API](/models/happyhorse-1-1): from \$0.15 per second
    * [Kling O3 4K API](/models/kling-o3-4k): from \$0.46 per second
    * [Kling V3 4K API](/models/kling-v3-4k): from \$0.46 per second
    * [Grok Imagine API](/models/grok-imagine-video): from \$0.06 per second
    * [Runway Gen-4.5 API](/models/runway-gen-4-5): from \$0.16 per second
  </Accordion>
</div>


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