# MiniMax H3 Reference to Video LoRA API

> H3 reference-to-video le LoRAs, a’ gabhail ri suas ri 9 ìomhaighean, 3 bhideothan agus 3 criomagan fuaime

Gineadh bhidio bho iomraidhean air an ainmeachadh sa phrompt mar Image 1, Video 1, Audio 1 agus mar sin air adhart. Gabhaidh e ri suas ri 9 ìomhaighean, 3 bhideothan agus 3 criomagan fuaime, le 12 faidhle aig a’ char as motha uile gu lèir. Feumaidh e 1 gu 3 `loras`. Tha fad 5 gu 15 diogan, le co-mheasan taobhan bho adaptive gu 21:9 agus 9:16, agus rùintean suas ri 4K.

- Model id: `minimax/h3/reference-to-video/lora`
- Made by: MiniMax
- Category: Reference to Video
- Output: video
- Price: from $0.0625 / second (5 s ≈ $0.313) (cheapest run $0.313 (313 API credits))
- Run: `POST https://api.doitong.ru/v1/run/minimax/h3/reference-to-video/lora`
- Quote: `POST https://api.doitong.ru/v1/quote/minimax/h3/reference-to-video/lora`
- Docs page: https://doitong.com/gd/developers/models/minimax/h3/reference-to-video/lora

## Pricing

Price: **from $0.0625 / second (5 s ≈ $0.313)** (the lowest tier; the quote prices your exact input). Billed per second of output (`duration`, default 15).

Price rules (the first rule that matches the input wins; a parameter you leave out counts as its default):

- When `resolution` = 768P: $0.075 (75 API credits) / second
- When `resolution` = 2K: $0.1625 (162.5 API credits) / second
- When `resolution` = 4K: $0.20 (200 API credits) / second

The full example input below costs $0.813 = 813 API credits (5 s × 162.5 API credits).

Prices are the upstream price in USD, paid from the API balance in API credits (1000 API credits = 1 USD). `POST https://api.doitong.ru/v1/quote/minimax/h3/reference-to-video/lora` with the same JSON body returns the exact price for that input; the quote is exactly what a run charges. Invalid input is never charged and failed or canceled requests are refunded automatically.

## Input parameters

Send either the canonical name or the native field name (not both). Canonical names are the same across models.

| Parameter | Canonical name | Type | Required | Default | Allowed values / range | Description |
|---|---|---|---|---|---|---|
| `prompt` |  | string | yes |  | 1 – 50000 characters | Stiùiridhean gineadh bhidio le iomraidhean air an comharrachadh a rèir seòrsa so-mhaoin agus suidheachadh anns gach liosta iomraidh, a’ cleachdadh bileagan mar Audio 1, Video 1, Image 1, Image 2, agus mar sin air adhart. |
| `duration` |  | integer | no | `5` | 5 – 15 | Fad bhidio, air a thomhas ann an diogan. |
| `resolution` |  | enum (string) | no | `2K` | `480P`, `768P`, `2K`, `4K` | Tagh dùmhlachd-bhreacaidh a’ bhidio a chaidh a ghineadh, le 2K agus 4K air fhaighinn le àrd-sgèileadh bunait 768P. Bidh taghadh 480P no 768P a’ cleachdadh gineadh dùthchasach. |
| `seed` |  | integer \| null | no |  |  | Sìol airson gineadh air thuaiream; mura tèid a shònrachadh, thèid fear a thaghadh air thuaiream. |
| `enable_safety_checker` |  | boolean | no | `true` |  | Gnìomhachadh an t-sgrùdaiche sàbhailteachd; tha true a’ comasachadh sgrùdaidh. |
| `prompt_expansion_mode` |  | string \| null | no | `balanced` |  | Oidhirp ath-sgrìobhaidh a’ prompt ro ghineadh: tagh 'quality' airson prompt nas beartaiche a bheir suas ri mu 30 diog, no 'fast' airson toradh ann an timcheall air diog. Le 'balanced', thèid an roghainn a dhèanamh gach iarrtas; bidh 'disabled' a’ cur leudachadh dheth. |
| `aspect_ratio` |  | enum (string) | no | `adaptive` | `adaptive`, `21:9`, `16:9`, `4:3`, `1:1`, `3:4`, `9:16` | Co-mheas taobh na bhidio às-chuir. |
| `reference_image_urls` | `images` | array of image URL | no |  | ≤ 9 items | URLan ìomhaighean iomraidh cuspair no stoidhle, le crìoch cho-roinnte de 12 faidhle leis na h-iomraidhean bhidio is claisneachd uile. Comharraich na h-ìomhaighean seo sa prompt a rèir suidheachadh liosta le Image 1, Image 2, agus bileagan às dèidh sin. |
| `reference_video_urls` |  | array of video URL | no |  | ≤ 3 items | URLan bhidio iomraidh gluasad no eile, air an comharrachadh a rèir suidheachadh liosta sa prompt le Video 1, Video 2, agus bileagan às dèidh sin. Is e 12 faidhle an cuibhreann cho-roinnte airson iomraidhean ìomhaigh, bhidio agus claisneachd; feumaidh gach earrann bhidio mairsinn 2–15 diog agus gun a bhith nas fhaide na 15 diog uile gu lèir. |
| `reference_audio_urls` |  | array of audio URL | no |  | ≤ 3 items | Solarraich claisneachd iomraidh mar URLan agus comharraich na h-earrannan sa prompt le Audio 1, Audio 2, agus bileagan às dèidh sin. Feumaidh gach earrann a bhith 2–15 diog a dh’fhaid, le gun a bhith nas motha na 15 diog de chlaisneachd uile gu lèir. Faodar seòrsa sam bith de na h-iomraidhean ìomhaigh, bhidio agus claisneachd a sholarachadh leis fhèin no còmhla, le crìoch cho-roinnte de 12 faidhle. |
| `loras` |  | array of object {path, weight_name, scale} | yes |  | 1 – 3 items | Liosta adaptaran LoRA airson an cur an sàs san transformer. |
| `loras[].path` |  | string | yes |  |  | Suidheachadh cuideaman LoRA, air a thoirt mar URL no ID stòrais HuggingFace ann an cruth owner/repo. |
| `loras[].weight_name` |  | string \| null | no |  |  | Sònraich ainm faidhle cuideam LoRA a-mhàin gus taghadh am measg iomadh LoRA ann an stòras HuggingFace a chaidh aithneachadh le `path`. |
| `loras[].scale` |  | number | no | `1` | 0 – 4 | Neart buaidh LoRA, bho 0.0 gu 4.0. |

File parameters (`images`, `reference_video_urls`, `reference_audio_urls`) take a public `https://` URL, a `data:` URI up to 10 MB, or the `file_url` of an upload from `POST /files`.

## Example input

Required parameters only:

```json
{
  "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
  "loras": [
    {
      "path": "https://example.com/your-file.safetensors"
    }
  ]
}
```

A fuller example:

```json
{
  "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
  "loras": [
    {
      "path": "https://example.com/your-file.safetensors"
    }
  ]
}
```

## Run it

Set `DOITONG_API_KEY` to a key from https://doitong.com/developers/dashboard#keys. `?wait=20` returns the finished request in the same call when it is ready within 20 seconds; otherwise poll `GET /requests/{id}` (it also accepts `?wait=`), or pass `webhook_url`.

### curl

```bash
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.ru/v1/run/minimax/h3/reference-to-video/lora?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "loras": [
      {
        "path": "https://example.com/your-file.safetensors"
      }
    ]
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.ru/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"
```

### JavaScript

```javascript
const API = "https://api.doitong.ru/v1";
const headers = {
  "Authorization": "Bearer " + process.env.DOITONG_API_KEY,
  "Content-Type": "application/json",
};

// Run the model; wait up to 20 s for the finished result in the same call
let res = await fetch(API + "/run/minimax/h3/reference-to-video/lora?wait=20", {
  method: "POST",
  headers,
  body: JSON.stringify({
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "loras": [
      {
        "path": "https://example.com/your-file.safetensors"
      }
    ]
  }),
});
let request = await res.json();
if (!res.ok) throw new Error(request.error.code + ": " + request.error.message);

// Not finished yet: long-poll until it is
while (request.status === "queued" || request.status === "running") {
  res = await fetch(API + "/requests/" + request.id + "?wait=20", { headers });
  request = await res.json();
}
if (request.status !== "succeeded") throw new Error(JSON.stringify(request.error));
console.log(request.outputs.map((o) => o.url), request.cost.credits + " API credits ($" + request.cost.usd + ")");
```

### Python

```python
import os
import requests

API = "https://api.doitong.ru/v1"
headers = {"Authorization": "Bearer " + os.environ["DOITONG_API_KEY"]}

payload = {
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "loras": [
        {
            "path": "https://example.com/your-file.safetensors",
        },
    ],
}

# Run the model; wait up to 20 s for the finished result in the same call
r = requests.post(API + "/run/minimax/h3/reference-to-video/lora", params={"wait": 20}, json=payload, headers=headers)
request = r.json()
if not r.ok:
    raise RuntimeError(request["error"]["code"] + ": " + request["error"]["message"])

# Not finished yet: long-poll until it is
while request["status"] in ("queued", "running"):
    request = requests.get(API + "/requests/" + request["id"], params={"wait": 20}, headers=headers).json()
if request["status"] != "succeeded":
    raise RuntimeError(request["error"])
print([o["url"] for o in request["outputs"]], request["cost"]["credits"], "API credits", "$" + request["cost"]["usd"])
```

### MCP

The MCP server at `https://api.doitong.ru/v1/mcp` exposes the tools `search_models`, `get_model`, `quote`, `run`, `get_request`, `cancel_request`, `list_requests`, `create_upload` and `get_account`. A `run` call for this model:

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "run",
    "arguments": {
      "model_id": "minimax/h3/reference-to-video/lora",
      "input": {
        "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
        "loras": [
          {
            "path": "https://example.com/your-file.safetensors"
          }
        ]
      },
      "wait_seconds": 20
    }
  }
}
```

## Response

Every call returns a request object. `status` is one of `queued`, `running`, `succeeded`, `failed`, `canceled`. `outputs` lists the generated files with URLs on our storage (kept forever, or 7 days with `?storage=temporary`; `storage` says which); `output` is the model's own result object with the same URLs.

```json
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "minimax/h3/reference-to-video/lora",
  "status": "succeeded",
  "created_at": "2026-10-20T12:00:00Z",
  "started_at": "2026-10-20T12:00:02Z",
  "completed_at": "2026-10-20T12:00:09Z",
  "queue_position": null,
  "cost": {
    "credits": 813,
    "usd": "0.813",
    "charged": 813,
    "refunded": 0
  },
  "input": {
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "loras": [
      {
        "path": "https://example.com/your-file.safetensors"
      }
    ]
  },
  "output": {
    "video": {
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_name": "0-output.mp4",
      "file_size": 1843200
    },
    "expanded_prompt": "string"
  },
  "outputs": [
    {
      "type": "video",
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_size": 1843200,
      "width": 1280,
      "height": 720,
      "duration": 5,
      "stored": true
    }
  ],
  "error": null,
  "metrics": {
    "inference_seconds": 6.8
  },
  "urls": {
    "self": "https://api.doitong.ru/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://api.doitong.ru/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
  }
}
```

### Output fields (`output`)

| Field | Type | Description |
|---|---|---|
| `video` | object {url, content_type, file_name, file_size} | Bhidio a chaidh a chruthachadh leis a’ mhodail. |
| `expanded_prompt` | string \| null | Prompt leudaichte deiseil airson a’ mhodail, no null mura bheil teacsa leudaichte ri fhaighinn. Is iad na cùisean null leudachadh ciorramach, leudachadh nach do rinn atharrachadh, agus leudachadh air a làimhseachadh a-staigh le API aoigheachd a’ mhodail. |

## Related models

- [MiniMax H3 Text to Video LoRA](https://doitong.com/developers/models/minimax/h3/text-to-video/lora.md) (`minimax/h3/text-to-video/lora`): from $0.0625 / second
- [MiniMax H3 Image to Video LoRA](https://doitong.com/developers/models/minimax/h3/image-to-video/lora.md) (`minimax/h3/image-to-video/lora`): from $0.0625 / second
- [Seedance 2.0 Fast Reference to Video](https://doitong.com/developers/models/bytedance/seedance-2.0/fast/reference-to-video.md) (`bytedance/seedance-2.0/fast/reference-to-video`): from $0.113 / second
- [Seedance 2.0 Reference to Video](https://doitong.com/developers/models/bytedance/seedance-2.0/reference-to-video.md) (`bytedance/seedance-2.0/reference-to-video`): from $0.141 / second
- [Wan 3.0 Reference to Video](https://doitong.com/developers/models/alibaba/wan-3.0/reference-to-video.md) (`alibaba/wan-3.0/reference-to-video`): from $0.05 / second
- [H3 Max Reference to Video](https://doitong.com/developers/models/minimax/h3-max/reference-to-video.md) (`minimax/h3-max/reference-to-video`): from $0.05 / second of output video
- [MiniMax H3 Reference to Video](https://doitong.com/developers/models/minimax/h3/reference-to-video.md) (`minimax/h3/reference-to-video`): from $0.05 / second of output video
- [Alibaba V2.6 · Reference to Video · Flash](https://doitong.com/developers/models/wan/v2.6/reference-to-video/flash.md) (`wan/v2.6/reference-to-video/flash`): from $0.05 / second of output video

## Links

- HTML page: https://doitong.com/developers/models/minimax/h3/reference-to-video/lora
- All models and guides for AI agents: https://doitong.com/developers/llms.txt
- OpenAPI 3.1 with this model's typed request body: https://doitong.com/developers/openapi.json?model=minimax/h3/reference-to-video/lora
- Errors: https://doitong.com/developers/docs/errors
- Model details as JSON: https://api.doitong.ru/v1/models/minimax/h3/reference-to-video/lora