MiniMax H3 · Image to Video

Learn how to use MiniMax H3 · Image to Video.

Developer API pricing

Provider: SeeAPI

USD estimate: $0.0037 / credit · Estimated equivalent, not an additional charge.

768P: 10 credits/sec (≈ $0.037/sec)

2K: 16 credits/sec (≈ $0.06/sec)

Query Task Status

After submitting a task, use the unified query endpoint to check progress and retrieve results:

Get Task DetailsLearn how to query task status and retrieve generation results

Related Resources

Market Overview

Explore all available models

Credits & Billing

View credit balance, plans, and billing activity

Usage

Review API usage and credit consumption

Callbacks

Manage the secret used to verify generation webhook signatures. Callback URLs are supplied when you create each generation.

Webhook flow

Callback URL per generation.

Webhook signing key

Request

POST/v1/generations

AuthorizationSend your API key in the Authorization header using the Bearer scheme.Authorization: Bearer ****************

Header Params

stringrequired

A new, stable key for each generation request. Reuse it only when retrying the same request body.

max length: 255

Example:: order-20260818-001

Body Params

application/json

stringrequired

The public model ID documented on this page. Use minimax-h3 for this Endpoint.

Allowed:minimax-h3

Default:: minimax-h3
Example:: minimax-h3

stringrequired

The Endpoint ID documented on this page. Use image-to-video with this model.

Allowed:image-to-video

Default:: image-to-video
Example:: image-to-video

stringoptional

Optional public Provider ID. Omit it to use the Endpoint default Provider (seeapi).

Allowed:seeapi

Default:: seeapi
Example:: seeapi

objectrequired

Model input validated against the selected Provider form_schema and api_policy.

Provider parameters

SeeAPIseeapiDefault Provider

string <uri>optional

Upload JPG, JPEG, PNG, WebP, HEIC, or HEIF. Maximum 30 MB; width and height 256–5760 px; aspect ratio 0.4–2.5.

Provide at least one of first_frame_image or last_frame_image.

string <uri>optional

Upload JPG, JPEG, PNG, WebP, HEIC, or HEIF. Maximum 30 MB; width and height 256–5760 px; aspect ratio 0.4–2.5.

stringrequired

max length: 7000

Example:: A cinematic city at night

numberoptional

min: 4max: 15

Default:: 15

stringoptional

Allowed:768P2K

Default:: 2K

string <uri>optional

An absolute HTTPS URL that receives the terminal generation Webhook.

max length: 2048

Example:: https://client.example.com/webhooks/seeapi

Responses

202Generation accepted and processing

Bodyapplication/json

objectrequired

stringrequired

Example:: task_xxx

stringrequired

Example:: minimax-h3

stringrequired

Example:: image-to-video

stringrequired

Allowed:seeapi

seeapi: SeeAPI

Example:: seeapi

stringrequired

Allowed:processing

Example:: processing

numberrequired

Estimated public credits. Values can include up to three decimal places.

Example:: 240

numberrequired

Consumed public credits, with up to three decimal places.

Example:: 0

numberrequired

Refunded public credits, with up to three decimal places.

Example:: 0

string <date-time>required

Example:: 2026-08-18T10:00:00Z

string <date-time>required

Example:: 2026-08-18T10:00:00Z

booleanrequired

Whether this response is an idempotent replay of an earlier request.

Example:: false

200Idempotent replay of an existing generation request

Bodyapplication/json

objectrequired

stringrequired

Example:: task_xxx

stringrequired

Example:: minimax-h3

stringrequired

Example:: image-to-video

stringrequired

Allowed:seeapi

seeapi: SeeAPI

Example:: seeapi

stringrequired

Allowed:processing

Example:: processing

numberrequired

Estimated public credits. Values can include up to three decimal places.

Example:: 240

numberrequired

Consumed public credits, with up to three decimal places.

Example:: 0

numberrequired

Refunded public credits, with up to three decimal places.

Example:: 0

string <date-time>required

Example:: 2026-08-18T10:00:00Z

string <date-time>required

Example:: 2026-08-18T10:00:00Z

booleanrequired

Whether this response is an idempotent replay of an earlier request.

Example:: false

400

Invalid JSON, parameters, Schema, or API Policy

401

Invalid API Key or authentication failed

402

Insufficient credits

403

The current request is not allowed

404

Model, Endpoint, or task not found

409

Idempotency conflict or the same request is still being created

413

Request body is too large

429

Too many requests

503

Service temporarily unavailable

Code Examples

Request

const response = await fetch("https://api.seeapi.com/v1/generations", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_API_KEY",
    "Idempotency-Key": "order-20260818-001",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
  "model": "minimax-h3",
  "endpoint": "image-to-video",
  "provider": "seeapi",
  "input": {
    "prompt": "A cinematic city at night",
    "duration_seconds": 15,
    "resolution": "2K"
  },
  "callback_url": "https://client.example.com/webhooks/seeapi"
})
});

const result = await response.json();

ResponseHTTP 202

{
  "generation": {
    "id": "task_xxx",
    "model": "minimax-h3",
    "endpoint": "image-to-video",
    "provider": "seeapi",
    "status": "processing",
    "estimated_credits": 240,
    "consumed_credits": 0,
    "refunded_credits": 0,
    "created_at": "2026-08-18T10:00:00Z",
    "updated_at": "2026-08-18T10:00:00Z"
  },
  "idempotent": false
}

const response = await fetch("https://api.seeapi.com/v1/generations", { method: "POST", headers: { "Authorization": "Bearer YOUR_API_KEY", "Idempotency-Key": "order-20260818-001", "Content-Type": "application/json" }, body: JSON.stringify({ "model": "minimax-h3", "endpoint": "image-to-video", "provider": "seeapi", "input": { "prompt": "A cinematic city at night", "duration_seconds": 15, "resolution": "2K" }, "callback_url": "https://client.example.com/webhooks/seeapi" }) }); const result = await response.json();

{ "generation": { "id": "task_xxx", "model": "minimax-h3", "endpoint": "image-to-video", "provider": "seeapi", "status": "processing", "estimated_credits": 240, "consumed_credits": 0, "refunded_credits": 0, "created_at": "2026-08-18T10:00:00Z", "updated_at": "2026-08-18T10:00:00Z" }, "idempotent": false }

Responses

202Generation accepted and processing

Bodyapplication/json

objectrequired

stringrequired

Example:: task_xxx

stringrequired

Example:: minimax-h3

stringrequired

Example:: image-to-video

stringrequired

Allowed:seeapi

seeapi: SeeAPI

Example:: seeapi

stringrequired

Allowed:processing

Example:: processing

numberrequired

Estimated public credits. Values can include up to three decimal places.

Example:: 240

numberrequired

Consumed public credits, with up to three decimal places.

Example:: 0

numberrequired

Refunded public credits, with up to three decimal places.

Example:: 0

string <date-time>required

Example:: 2026-08-18T10:00:00Z

string <date-time>required

Example:: 2026-08-18T10:00:00Z

booleanrequired

Whether this response is an idempotent replay of an earlier request.

Example:: false

200Idempotent replay of an existing generation request

Bodyapplication/json

objectrequired

stringrequired

Example:: task_xxx

stringrequired

Example:: minimax-h3

stringrequired

Example:: image-to-video

stringrequired

Allowed:seeapi

seeapi: SeeAPI

Example:: seeapi

stringrequired

Allowed:processing

Example:: processing

numberrequired

Estimated public credits. Values can include up to three decimal places.

Example:: 240

numberrequired

Consumed public credits, with up to three decimal places.

Example:: 0

numberrequired

Refunded public credits, with up to three decimal places.

Example:: 0

string <date-time>required

Example:: 2026-08-18T10:00:00Z

string <date-time>required

Example:: 2026-08-18T10:00:00Z

booleanrequired

Whether this response is an idempotent replay of an earlier request.

Example:: false

400

Invalid JSON, parameters, Schema, or API Policy

401

Invalid API Key or authentication failed

402

Insufficient credits

403

The current request is not allowed

404

Model, Endpoint, or task not found

409

Idempotency conflict or the same request is still being created

413

Request body is too large

429

Too many requests

503

Service temporarily unavailable