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MiniMax H3 Reference to Video API

Name: MiniMax H3 API
Brand: MiniMax
Availability: OutOfStock

Reference to Video with MiniMax H3 by MiniMax. Hailuo H3 — expressive motion and physics, up to 2K.

minimax/h3/reference-to-video

FromUp to −49%

$0.041/s$0.08

per second of video · 768P

Open in Studio API

Try MiniMax H3 Reference to Video

Prompt*

Type @ to point at a reference image, video or audio clip0/5000

Reference images

Up to 5 images for characters, products, style or scene. Refer to them in the prompt as @Image1, @Image2…

Reference videos

Up to 3 MP4/MOV clips for motion, camera moves or effects (2–15 s each, 15 s in total, ≤ 50 MB each). Refer to them as @Video1, @Video2… Reference-video seconds are billed like output seconds.

Reference audio

Up to 3 MP3/WAV clips for voice, music or sound (2–15 s each, 15 s in total, ≤ 15 MB each). Refer to them as @Audio1, @Audio2… Needs at least one reference image or video.

Aspect ratio

Output frame shape.

Resolution

Output resolution. Higher resolutions cost more per second.

Duration

Length of the generated clip in seconds (5–15s). You pay per second.

Estimated cost…

Create a free account with Google or email — pay only for what you generate.

Your video will appear here

Write a prompt, pick your settings and hit Run. You only pay for successful generations.

Also available: MiniMax H3 Text to Video · MiniMax H3 Image to Video

MiniMax H3 Reference to Video API

POST/api/v1/run/minimax/h3/reference-to-video

Submits an asynchronous job and returns 202 with a generation id. Poll GET /api/v1/generations/{id} or pass webhook_url. See job lifecycle.

Input parameters

Name	Type	Description	Affects price
`prompt`required	string	Describe the shot: subject, action, camera movement, lighting and style.	No
`reference_image_urls`	string[] (URLs)	Up to 5 images for characters, products, style or scene. Refer to them in the prompt as @Image1, @Image2… Max items: 5	No
`reference_video_urls`	string[] (video URLs)	Up to 3 MP4/MOV clips for motion, camera moves or effects (2–15 s each, 15 s in total, ≤ 50 MB each). Refer to them as @Video1, @Video2… Reference-video seconds are billed like output seconds. Max items: 3	Yes
`reference_audio_urls`	string[] (audio URLs)	Up to 3 MP3/WAV clips for voice, music or sound (2–15 s each, 15 s in total, ≤ 15 MB each). Refer to them as @Audio1, @Audio2… Needs at least one reference image or video. Max items: 3	No
`aspect_ratio`	string (enum)	Output frame shape. Values: 16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9 Default: 16:9	Yes
`resolution`	string (enum)	Output resolution. Higher resolutions cost more per second. Values: 768P · 2K Default: 768P	Yes
`duration`	integer	Length of the generated clip in seconds (5–15s). You pay per second. Range: 5–15s Default: 6	Yes
`seed`	integer	Use the same seed and settings to reproduce a result. Leave empty for random.	No
`webhook_url`	string (URL)	Optional. We POST the finished generation here, signed with your webhook secret. Webhooks	No

Request

curl -X POST https://cheapergen.com/api/v1/run/minimax/h3/reference-to-video \
  -H "Authorization: Bearer $CHEAPERGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "prompt": "The mascot from @Image1 dances in front of the storefront from @Image2, following the moves in @Video1",
  "reference_image_urls": [
    "https://cdn.cheapergen.ai/samples/reference-1.jpg",
    "https://cdn.cheapergen.ai/samples/reference-2.jpg"
  ],
  "reference_video_urls": [
    "https://cdn.cheapergen.ai/samples/reference-1.mp4"
  ],
  "aspect_ratio": "16:9",
  "resolution": "768P",
  "duration": 6
}'

import os, time, requests

API = "https://cheapergen.com/api/v1"
headers = {"Authorization": f"Bearer {os.environ['CHEAPERGEN_API_KEY']}"}

# 1. Submit the job
job = requests.post(f"{API}/run/minimax/h3/reference-to-video", headers=headers, json={
    "prompt": "The mascot from @Image1 dances in front of the storefront from @Image2, following the moves in @Video1",
    "reference_image_urls": [
        "https://cdn.cheapergen.ai/samples/reference-1.jpg",
        "https://cdn.cheapergen.ai/samples/reference-2.jpg"
    ],
    "reference_video_urls": [
        "https://cdn.cheapergen.ai/samples/reference-1.mp4"
    ],
    "aspect_ratio": "16:9",
    "resolution": "768P",
    "duration": 6
}).json()

# 2. Poll until it finishes (or pass "webhook_url" and skip polling)
while job["status"] in ("queued", "running"):
    time.sleep(3)
    job = requests.get(f"{API}/generations/{job['id']}", headers=headers).json()

print(job["status"], job["output"]["video"]["url"] if job["status"] == "succeeded" else job["error"])

const API = "https://cheapergen.com/api/v1";
const headers = {
  Authorization: `Bearer ${process.env.CHEAPERGEN_API_KEY}`,
  "Content-Type": "application/json",
};

// 1. Submit the job
let job = await fetch(`${API}/run/minimax/h3/reference-to-video`, {
  method: "POST",
  headers,
  body: JSON.stringify({
    "prompt": "The mascot from @Image1 dances in front of the storefront from @Image2, following the moves in @Video1",
    "reference_image_urls": [
      "https://cdn.cheapergen.ai/samples/reference-1.jpg",
      "https://cdn.cheapergen.ai/samples/reference-2.jpg"
    ],
    "reference_video_urls": [
      "https://cdn.cheapergen.ai/samples/reference-1.mp4"
    ],
    "aspect_ratio": "16:9",
    "resolution": "768P",
    "duration": 6
  }),
}).then((r) => r.json());

// 2. Poll until it finishes (or pass webhook_url and skip polling)
while (job.status === "queued" || job.status === "running") {
  await new Promise((r) => setTimeout(r, 3000));
  job = await fetch(`${API}/generations/${job.id}`, { headers }).then((r) => r.json());
}

console.log(job.status === "succeeded" ? job.output.video.url : job.error);

Response

{
  "id": "gen_8c2QmX1nq0k4",
  "object": "generation",
  "model": "minimax/h3",
  "endpoint": "minimax/h3/reference-to-video",
  "mode": "reference-to-video",
  "status": "queued",
  "input": {
    "prompt": "The mascot from @Image1 dances in front of the storefront from @Image2, following the moves in @Video1",
    "reference_image_urls": [
      "https://cdn.cheapergen.ai/samples/reference-1.jpg",
      "https://cdn.cheapergen.ai/samples/reference-2.jpg"
    ],
    "reference_video_urls": [
      "https://cdn.cheapergen.ai/samples/reference-1.mp4"
    ],
    "aspect_ratio": "16:9",
    "resolution": "768P",
    "duration": 6
  },
  "output": null,
  "error": null,
  "cost": {
    "amount_usd": 0.2255,
    "currency": "usd",
    "estimated": true,
    "official_usd": null,
    "saved_usd": null
  },
  "source": "api",
  "started_at": null,
  "completed_at": null,
  "urls": {
    "get": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4",
    "cancel": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4/cancel"
  },
  "created_at": "2026-10-15T09:21:04Z"
}

{
  "id": "gen_8c2QmX1nq0k4",
  "object": "generation",
  "model": "minimax/h3",
  "endpoint": "minimax/h3/reference-to-video",
  "mode": "reference-to-video",
  "status": "succeeded",
  "input": {
    "prompt": "The mascot from @Image1 dances in front of the storefront from @Image2, following the moves in @Video1",
    "reference_image_urls": [
      "https://cdn.cheapergen.ai/samples/reference-1.jpg",
      "https://cdn.cheapergen.ai/samples/reference-2.jpg"
    ],
    "reference_video_urls": [
      "https://cdn.cheapergen.ai/samples/reference-1.mp4"
    ],
    "aspect_ratio": "16:9",
    "resolution": "768P",
    "duration": 6
  },
  "output": {
    "video": {
      "url": "https://cdn.cheapergen.ai/outputs/gen_8c2Q.mp4",
      "content_type": "video/mp4",
      "duration": 5,
      "width": 1280,
      "height": 720
    }
  },
  "error": null,
  "cost": {
    "amount_usd": 0.2255,
    "currency": "usd",
    "estimated": false,
    "official_usd": 0.264,
    "saved_usd": 0.0385
  },
  "source": "api",
  "created_at": "2026-10-15T09:21:04Z",
  "started_at": "2026-10-15T09:21:06Z",
  "completed_at": "2026-10-15T09:22:31Z"
}

MiniMax H3 pricing

Pay per second of video. No subscription. Failed generations are refunded automatically.

Tier	Official price	Cheaper Gen.	You save
768P per second	~~$0.08~~/s	$0.041/s	−49%
2K per second	~~$0.13~~/s	$0.066/s	−49%

Official price: MiniMax international official price ($0.08 / $0.13 per second; reference-video seconds billed at the output rate, reference audio free). Prices verified 2026-10-14.
Reference-video seconds are billed at the output rate; reference audio is free.

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