Video generation playground

MiniMax H3 Highspeed API

Generate 4–15 second videos at 768p from text, frames or multimodal references.

MiniMax H3 Highspeed is a video generation model from MiniMax, available on OttoPort's OpenAI-compatible API as the model ID minimax-h3-highspeed at $0.075 / second as of 2026-11-14.

Provider

MiniMax

Price

$0.075 / second

Model ID

minimax-h3-highspeed

Type

video generation model

Creative conceptsCampaign assetsDeveloper workflows

Create with MiniMax H3 Highspeed

video

Prompt

ExampleSelect to edit

Duration

Your result appears here

Start with the example prompt or make it your own. Your OttoPort account is used securely for generation.

Pricing

MiniMax H3 Highspeed API pricing

What OttoPort bills for MiniMax H3 Highspeed, and what that works out to per unit. Rates are read from the same catalog the gateway meters against, and were current on 2026-11-14.

Per second	$0.075
5-second clip	$0.375
8-second clip	$0.60
Seconds per $10	133	of generated video

No subscription and no minimum — OttoPort bills prepaid credits against usage. See the full rate card.

Quickstart

Call MiniMax H3 Highspeed in three lines

Send "model": "minimax-h3-highspeed" to POST https://ottoport.ai/api/v1/videos/generations with an OttoPort key. No MiniMax account, no waitlist, no separate SDK.

curl https://ottoport.ai/api/v1/videos/generations \
  -H "Authorization: Bearer $OTTOPORT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax-h3-highspeed",
    "prompt": "cinematic product reveal, slow dolly, black background",
    "duration": 5,
    "aspect_ratio": "16:9"
  }'

import requests

job = requests.post(
    "https://ottoport.ai/api/v1/videos/generations",
    headers={"Authorization": "Bearer " + API_KEY},
    json={
        "model": "minimax-h3-highspeed",
        "prompt": "cinematic product reveal, slow dolly, black background",
        "duration": 5,
        "aspect_ratio": "16:9",
    },
).json()

# Video is a job: poll it, or pass webhook_url and be told.
print(job["id"], job["status"])

const res = await fetch("https://ottoport.ai/api/v1/videos/generations", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "minimax-h3-highspeed",
    prompt: "cinematic product reveal, slow dolly, black background",
    duration: 5,
    aspect_ratio: "16:9",
  }),
});

// Video is a job: poll it, or pass webhook_url and be told.
const job = await res.json();
console.log(job.id, job.status);

Before you start

1. Create a key at /api-keys.
2. Top up credits — the smallest pack is $25.
3. Paste the request. It returns a job ID; poll it or pass a webhook_url.

Full reference at /docs, or drive it from an agent with the MCP server and CLI.

Reference

Request parameters

The body POST https://ottoport.ai/api/v1/videos/generations accepts for MiniMax H3 Highspeed.

Field	Type	Required	Notes
model	string	Yes	Always minimax-h3-highspeed for MiniMax H3 Highspeed.
prompt	string	Yes	Subject, action, and camera movement.
duration	integer	No	Seconds of output. This is the billed unit.
resolution	string	No	One of: 720p. Tiers above this model's base rate bill at a multiplier.
aspect_ratio	string	No	e.g. 16:9 or 9:16.
image_url	string	No	The first frame, for image-to-video.
last_frame_url	string	No	The closing frame. With image_url, this is first-and-last-frame generation.
reference_image_urls	array	No	Subjects the shot carries through — a character, a product — on models that accept references. Up to 5.
reference_video_urls	array	No	Reference videos — motion, a performance, a scene — the shot draws on. Billed per second of reference video on models whose upstream charges for it. Up to 3, 15s in all.
reference_audio_urls	array	No	Reference audio — a voice, a beat — beside reference images or videos. Reference fees depend on the model and mode. Up to 3, 15s in all.
webhook_url	string	No	Called when the job settles, so you need not poll.
webhook_secret	string	No	Signs the webhook so you can verify it came from OttoPort.

Comparison

MiniMax H3 Highspeed direct vs through OttoPort

MiniMax H3 Highspeed is the same model either way — what changes is how many accounts, keys, and integrations you carry to reach it.

	MiniMax direct	Via OttoPort
Accounts and keys	A MiniMax account, plus one more for every other model you add	One OttoPort account and one key for the whole catalog
Request shape	MiniMax's own SDK and response format	OpenAI-compatible — point baseURL at OttoPort and change the model string
Switching models	A new integration per provider	Replace minimax-h3-highspeed with any other model ID in the catalog
Billing	A separate invoice and contract per provider	Prepaid credits, no subscription, one usage ledger
Provider outages	Your call fails	Configured backup routes are tried in order on provider failure

Describe the subject and action.

Add a camera movement.

Specify your output format.

FAQ

MiniMax H3 Highspeed API questions

Cost, keys, and model IDs for MiniMax H3 Highspeed on OttoPort.

How much does the MiniMax H3 Highspeed API cost?

On OttoPort, MiniMax H3 Highspeed costs $0.075 / second as of 2026-11-14. For scale, 5-second clip: $0.375. Billing is prepaid usage with no subscription and no minimum, and the current rate is always published at ottoport.ai/pricing.

How do I get a MiniMax H3 Highspeed API key?

You do not need a MiniMax key. Create an OttoPort account, generate a key at ottoport.ai/api-keys, and send it as "Authorization: Bearer <key>" to POST https://ottoport.ai/api/v1/videos/generations with "model": "minimax-h3-highspeed". The same key reaches every other model in the catalog.

What is the model ID for MiniMax H3 Highspeed?

The OttoPort model ID for MiniMax H3 Highspeed is minimax-h3-highspeed. Pass it as the model field on POST https://ottoport.ai/api/v1/videos/generations, or list it programmatically from GET https://ottoport.ai/api/v1/models.

Is MiniMax H3 Highspeed generation synchronous?

No. POST https://ottoport.ai/api/v1/videos/generations returns a job ID immediately. Poll GET https://ottoport.ai/api/v1/videos/generations/{id} for status, or pass webhook_url and webhook_secret and OttoPort will call you when the job settles. You are billed per second of output, so a failed job costs nothing.

Do I need a MiniMax account to use MiniMax H3 Highspeed?

No. OttoPort connects to MiniMax on your behalf, so one OttoPort account covers MiniMax H3 Highspeed and every other model in the catalog — no per-provider contracts, keys, or invoices.

Alternatives