MiniMax H3 Max Turbo

POST https://api.beatapi.io/v1/videos/tasks

H3 Max on a faster stack — the same request contract, about 2.5x quicker, at half the per-second rate.

Supported modes

ModeRequired inputRules
Text to videomodel, promptOmit images.
First framemodel, prompt, imagesProvide one image URL.
First and last framesmodel, prompt, imagesProvide two image URLs in first-to-last order.

Async flow: Create the task, save data.id, then poll the Task with GET /v1/tasks/{task_id}. On succeeded, read data.output.media. On failed, read data.error_code and data.error_message, then follow the error and retry policy.

Using a local file? upload a local input first and pass the returned data.url.

Authorization

Authorization   string   required

Send your BeatAPI API key as a Bearer token. Create one on the Dashboard.

Authorization: Bearer <BEATAPI_API_KEY>

Keep permanent API keys on trusted servers. Content-Type: application/json is required for the request body. Idempotency-Key is optional when the endpoint exposes it and is recommended for safe retries with the exact same body.

Request body

model   string   required

Must be minimax-h3-max-turbo.

Value: minimax-h3-max-turbo


prompt   string   required

What should happen in the shot — the motion, the expression, the camera.

Length: 1 to 5000 characters


images   string[]   optional

Public HTTPS images. One starts the render from a first frame; a second becomes the last frame, in first-to-last order.

Count: 1 to 2 items


duration   integer   optional

Requested output duration in seconds. Billed per second at the rate for the chosen resolution. If a duration is unsupported, the API returns 400.

Default: 5
Range: x >= 1


resolution   enum<string>   optional

Output resolution. Upper-case P, and the only two values this model accepts. Price scales with it.

Available options: 480P, 768P
Default: "768P"


seed   integer   optional

Reuse a seed to re-render the same motion. A random seed is chosen when omitted.

Range: x >= 0

Request examples

Text to video

$curl --request POST \
> --url https://api.beatapi.io/v1/videos/tasks \
> --header 'Authorization: Bearer <BEATAPI_API_KEY>' \
> --header 'Content-Type: application/json' \
> --data '{
> "model": "minimax-h3-max-turbo",
> "prompt": "A slow cinematic push through a misty mountain village at dawn.",
> "duration": 5,
> "resolution": "768P"
>}'

First frame

$curl --request POST \
> --url https://api.beatapi.io/v1/videos/tasks \
> --header 'Authorization: Bearer <BEATAPI_API_KEY>' \
> --header 'Content-Type: application/json' \
> --data '{
> "model": "minimax-h3-max-turbo",
> "prompt": "The performer turns toward the camera as neon light sweeps across the scene.",
> "images": [
> "https://media.beatapi.io/samples/neon-singer.png"
> ],
> "duration": 5,
> "resolution": "768P"
>}'

First and last frames

$curl --request POST \
> --url https://api.beatapi.io/v1/videos/tasks \
> --header 'Authorization: Bearer <BEATAPI_API_KEY>' \
> --header 'Content-Type: application/json' \
> --data '{
> "model": "minimax-h3-max-turbo",
> "prompt": "Move smoothly from the opening portrait to the final product reveal.",
> "images": [
> "https://media.beatapi.io/samples/neon-singer.png",
> "https://media.beatapi.io/samples/smart-bottle.png"
> ],
> "duration": 5,
> "resolution": "480P"
>}'

Response

A successful request returns HTTP 201.

1{
2 "data": {
3 "id": "task_8K2qA",
4 "object": "task",
5 "task_kind": "video",
6 "capability_id": "minimax-h3-max-turbo",
7 "capability_version": null,
8 "media_type": "video",
9 "model": "minimax-h3-max-turbo",
10 "status": "queued",
11 "stage": "queued",
12 "created_at": 1782210000,
13 "updated_at": 1782210000,
14 "completed_at": null,
15 "output": null,
16 "usage": {
17 "credits_reserved": 0.2,
18 "credits_charged": 0.2,
19 "billable_duration_seconds": 5,
20 "credits_settled": 0,
21 "credits_refunded": 0
22 },
23 "request_id": "req_abc123",
24 "error_code": null,
25 "error_message": null
26 }
27}

Errors

StatusMeaning
400Invalid request.
401Missing, invalid, or inactive API key.
402Insufficient USD balance
409Idempotency key conflicts with another request body
429Request rate limit exceeded.