> ## Documentation Index
> Fetch the complete documentation index at: https://www.krea.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# MiniMax H3
> Frontier 2K model with references and frame animation.
## Pricing
Fixed API prices in USD.
| BillableSeconds | Reference Images | Price |
| - | - | -: |
| 5 | 0 | \$0.65 |
| 5 | 1 | \$0.65 |
| 5 | 2 | \$0.65 |
| 5 | 3 | \$0.65 |
| 5 | 4 | \$0.65 |
| 5 | 5 | \$0.65 |
| 5 | 6 | \$0.69 |
| 5 | 7 | \$0.73 |
| 5 | 8 | \$0.77 |
| 6 | 0 | \$0.78 |
| 6 | 1 | \$0.78 |
| 6 | 2 | \$0.78 |
| 6 | 3 | \$0.78 |
| 6 | 4 | \$0.78 |
| 6 | 5 | \$0.78 |
| 5 | 9 | \$0.81 |
| 6 | 6 | \$0.82 |
| 6 | 7 | \$0.86 |
| 6 | 8 | \$0.90 |
| 7 | 0 | \$0.91 |
| 7 | 1 | \$0.91 |
| 7 | 2 | \$0.91 |
| 7 | 3 | \$0.91 |
| 7 | 4 | \$0.91 |
| 7 | 5 | \$0.91 |
| 6 | 9 | \$0.94 |
| 7 | 6 | \$0.95 |
| 7 | 7 | \$0.99 |
| 7 | 8 | \$1.03 |
| 8 | 0 | \$1.04 |
| 8 | 1 | \$1.04 |
| 8 | 2 | \$1.04 |
| 8 | 3 | \$1.04 |
| 8 | 4 | \$1.04 |
| 8 | 5 | \$1.04 |
| 7 | 9 | \$1.07 |
| 8 | 6 | \$1.08 |
| 8 | 7 | \$1.12 |
| 8 | 8 | \$1.16 |
| 9 | 0 | \$1.17 |
| 9 | 1 | \$1.17 |
| 9 | 2 | \$1.17 |
| 9 | 3 | \$1.17 |
| 9 | 4 | \$1.17 |
| 9 | 5 | \$1.17 |
| 8 | 9 | \$1.20 |
| 9 | 6 | \$1.21 |
| 9 | 7 | \$1.25 |
| 9 | 8 | \$1.29 |
| 10 | 0 | \$1.30 |
| 10 | 1 | \$1.30 |
| 10 | 2 | \$1.30 |
| 10 | 3 | \$1.30 |
| 10 | 4 | \$1.30 |
| 10 | 5 | \$1.30 |
| 9 | 9 | \$1.33 |
| 10 | 6 | \$1.34 |
| 10 | 7 | \$1.38 |
| 10 | 8 | \$1.42 |
| 11 | 0 | \$1.43 |
| 11 | 1 | \$1.43 |
| 11 | 2 | \$1.43 |
| 11 | 3 | \$1.43 |
| 11 | 4 | \$1.43 |
| 11 | 5 | \$1.43 |
| 10 | 9 | \$1.46 |
| 11 | 6 | \$1.47 |
| 11 | 7 | \$1.51 |
| 11 | 8 | \$1.55 |
| 12 | 0 | \$1.56 |
| 12 | 1 | \$1.56 |
| 12 | 2 | \$1.56 |
| 12 | 3 | \$1.56 |
| 12 | 4 | \$1.56 |
| 12 | 5 | \$1.56 |
| 11 | 9 | \$1.59 |
| 12 | 6 | \$1.60 |
| 12 | 7 | \$1.64 |
| 12 | 8 | \$1.68 |
| 13 | 0 | \$1.69 |
| 13 | 1 | \$1.69 |
| 13 | 2 | \$1.69 |
| 13 | 3 | \$1.69 |
| 13 | 4 | \$1.69 |
| 13 | 5 | \$1.69 |
| 12 | 9 | \$1.72 |
| 13 | 6 | \$1.73 |
| 13 | 7 | \$1.77 |
| 13 | 8 | \$1.81 |
| 14 | 0 | \$1.82 |
| 14 | 1 | \$1.82 |
| 14 | 2 | \$1.82 |
| 14 | 3 | \$1.82 |
| 14 | 4 | \$1.82 |
| 14 | 5 | \$1.82 |
| 13 | 9 | \$1.85 |
| 14 | 6 | \$1.86 |
| 14 | 7 | \$1.90 |
| 14 | 8 | \$1.94 |
| 15 | 0 | \$1.95 |
| 15 | 1 | \$1.95 |
| 15 | 2 | \$1.95 |
| 15 | 3 | \$1.95 |
| 15 | 4 | \$1.95 |
| 15 | 5 | \$1.95 |
| 14 | 9 | \$1.98 |
| 15 | 6 | \$1.99 |
| 15 | 7 | \$2.03 |
| 15 | 8 | \$2.07 |
| 16 | 0 | \$2.08 |
| 16 | 1 | \$2.08 |
| 16 | 2 | \$2.08 |
| 16 | 3 | \$2.08 |
| 16 | 4 | \$2.08 |
| 16 | 5 | \$2.08 |
| 15 | 9 | \$2.11 |
| 16 | 6 | \$2.12 |
| 16 | 7 | \$2.16 |
| 16 | 8 | \$2.20 |
| 17 | 0 | \$2.21 |
| 17 | 1 | \$2.21 |
| 17 | 2 | \$2.21 |
| 17 | 3 | \$2.21 |
| 17 | 4 | \$2.21 |
| 17 | 5 | \$2.21 |
| 16 | 9 | \$2.24 |
| 17 | 6 | \$2.25 |
| 17 | 7 | \$2.29 |
| 17 | 8 | \$2.33 |
| 18 | 0 | \$2.34 |
| 18 | 1 | \$2.34 |
| 18 | 2 | \$2.34 |
| 18 | 3 | \$2.34 |
| 18 | 4 | \$2.34 |
| 18 | 5 | \$2.34 |
| 17 | 9 | \$2.37 |
| 18 | 6 | \$2.38 |
| 18 | 7 | \$2.42 |
| 18 | 8 | \$2.46 |
| 19 | 0 | \$2.47 |
| 19 | 1 | \$2.47 |
| 19 | 2 | \$2.47 |
| 19 | 3 | \$2.47 |
| 19 | 4 | \$2.47 |
| 19 | 5 | \$2.47 |
| 18 | 9 | \$2.50 |
| 19 | 6 | \$2.51 |
| 19 | 7 | \$2.55 |
| 19 | 8 | \$2.59 |
| 20 | 0 | \$2.60 |
| 20 | 1 | \$2.60 |
| 20 | 2 | \$2.60 |
| 20 | 3 | \$2.60 |
| 20 | 4 | \$2.60 |
| 20 | 5 | \$2.60 |
| 19 | 9 | \$2.63 |
| 20 | 6 | \$2.64 |
| 20 | 7 | \$2.68 |
| 20 | 8 | \$2.72 |
| 21 | 0 | \$2.73 |
| 21 | 1 | \$2.73 |
| 21 | 2 | \$2.73 |
| 21 | 3 | \$2.73 |
| 21 | 4 | \$2.73 |
| 21 | 5 | \$2.73 |
| 20 | 9 | \$2.76 |
| 21 | 6 | \$2.77 |
| 21 | 7 | \$2.81 |
| 21 | 8 | \$2.85 |
| 22 | 0 | \$2.86 |
| 22 | 1 | \$2.86 |
| 22 | 2 | \$2.86 |
| 22 | 3 | \$2.86 |
| 22 | 4 | \$2.86 |
| 22 | 5 | \$2.86 |
| 21 | 9 | \$2.89 |
| 22 | 6 | \$2.90 |
| 22 | 7 | \$2.94 |
| 22 | 8 | \$2.98 |
| 23 | 0 | \$2.99 |
| 23 | 1 | \$2.99 |
| 23 | 2 | \$2.99 |
| 23 | 3 | \$2.99 |
| 23 | 4 | \$2.99 |
| 23 | 5 | \$2.99 |
| 22 | 9 | \$3.02 |
| 23 | 6 | \$3.03 |
| 23 | 7 | \$3.07 |
| 23 | 8 | \$3.11 |
| 24 | 0 | \$3.12 |
| 24 | 1 | \$3.12 |
| 24 | 2 | \$3.12 |
| 24 | 3 | \$3.12 |
| 24 | 4 | \$3.12 |
| 24 | 5 | \$3.12 |
| 23 | 9 | \$3.15 |
| 24 | 6 | \$3.16 |
| 24 | 7 | \$3.20 |
| 24 | 8 | \$3.24 |
| 25 | 0 | \$3.25 |
| 25 | 1 | \$3.25 |
| 25 | 2 | \$3.25 |
| 25 | 3 | \$3.25 |
| 25 | 4 | \$3.25 |
| 25 | 5 | \$3.25 |
| 24 | 9 | \$3.28 |
| 25 | 6 | \$3.29 |
| 25 | 7 | \$3.33 |
| 25 | 8 | \$3.37 |
| 26 | 0 | \$3.38 |
| 26 | 1 | \$3.38 |
| 26 | 2 | \$3.38 |
| 26 | 3 | \$3.38 |
| 26 | 4 | \$3.38 |
| 26 | 5 | \$3.38 |
| 25 | 9 | \$3.41 |
| 26 | 6 | \$3.42 |
| 26 | 7 | \$3.46 |
| 26 | 8 | \$3.50 |
| 27 | 0 | \$3.51 |
| 27 | 1 | \$3.51 |
| 27 | 2 | \$3.51 |
| 27 | 3 | \$3.51 |
| 27 | 4 | \$3.51 |
| 27 | 5 | \$3.51 |
| 26 | 9 | \$3.54 |
| 27 | 6 | \$3.55 |
| 27 | 7 | \$3.59 |
| 27 | 8 | \$3.63 |
| 28 | 0 | \$3.64 |
| 28 | 1 | \$3.64 |
| 28 | 2 | \$3.64 |
| 28 | 3 | \$3.64 |
| 28 | 4 | \$3.64 |
| 28 | 5 | \$3.64 |
| 27 | 9 | \$3.67 |
| 28 | 6 | \$3.68 |
| 28 | 7 | \$3.72 |
| 28 | 8 | \$3.76 |
| 29 | 0 | \$3.77 |
| 29 | 1 | \$3.77 |
| 29 | 2 | \$3.77 |
| 29 | 3 | \$3.77 |
| 29 | 4 | \$3.77 |
| 29 | 5 | \$3.77 |
| 28 | 9 | \$3.80 |
| 29 | 6 | \$3.81 |
| 29 | 7 | \$3.85 |
| 29 | 8 | \$3.89 |
| 30 | 0 | \$3.90 |
| 30 | 1 | \$3.90 |
| 30 | 2 | \$3.90 |
| 30 | 3 | \$3.90 |
| 30 | 4 | \$3.90 |
| 30 | 5 | \$3.90 |
| 29 | 9 | \$3.93 |
| 30 | 6 | \$3.94 |
| 30 | 7 | \$3.98 |
| 30 | 8 | \$4.02 |
| 30 | 9 | \$4.06 |
These aliases are accepted for compatibility only and are not shown in the request schema.
| Deprecated | Use instead | Accepted until |
| - | - | - |
| `startImage` | `start_image` | 2026-06-19 |
| `aspectRatio` | `aspect_ratio` | 2026-06-19 |
| `endImage` | `end_image` | 2026-06-19 |
| `referenceImages` | `reference_images` | 2026-06-19 |
| `referenceVideos` | `reference_videos` | 2026-06-19 |
| `referenceVideoSeconds` | `reference_video_seconds` | 2026-06-19 |
| `referenceAudios` | `reference_audios` | 2026-06-19 |
## OpenAPI
````yaml https://api.krea.ai/openapi.json post /generate/video/minimax/hailuo-3
openapi: 3.1.0
info:
title: Krea API
version: v1
servers:
- url: https://api.krea.ai
description: Krea API
security:
- bearerAuth: []
tags:
- name: General
description: Core API operations including job management and billing information
- name: Krea
description: Krea-owned generation models including Krea 2
- name: Assets
description: >-
Asset management endpoints for uploading and managing images, videos,
audio files, and 3D models
- name: Styles
description: Style (LoRA) generation and management endpoints
- name: Node Apps
description: Executing custom node apps built in our nodes tool
- name: Image
description: Image generation endpoints
- name: Image Enhance
description: Image enhance endpoints
- name: Video
description: Video generation endpoints
- name: Video Enhance
description: Video enhance and upscale endpoints
- name: 3D
description: 3D model generation endpoints
- name: Audio
description: Speech and audio generation endpoints
- name: Usage
description: Workspace usage reporting
- name: Utilities
description: Miscellaneous utility endpoints
paths:
/generate/video/minimax/hailuo-3:
post:
tags:
- Video
summary: MiniMax H3
description: Frontier 2K model with references and frame animation.
parameters:
- name: X-Webhook-URL
in: header
required: false
schema:
type: string
format: uri
description: >-
URL to receive a POST request when the job completes. The webhook
will receive the job data including results. When signing is
configured, deliveries are signed with ECDSA P-256 (ES256); verify
them with the keys at https://api.krea.ai/.well-known/jwks.json (see
X-Krea-Webhook-* headers). Treat requests without these headers as
unauthenticated.
requestBody:
content:
application/json:
example:
prompt: >-
Redwood forest, sunlight filtering through the canopy onto a
carpet of ferns.
schema:
type: object
properties:
prompt:
type: string
minLength: 1
maxLength: 7000
start_image:
anyOf:
- type: string
maxLength: 1024
format: uri
description: >-
Can be an external URL, base64 data URI, or uploaded
asset URL.
- type: 'null'
aspect_ratio:
default: '16:9'
type: string
enum:
- adaptive
- '21:9'
- '16:9'
- '4:3'
- '1:1'
- '3:4'
- '9:16'
end_image:
anyOf:
- type: string
maxLength: 1024
format: uri
description: >-
Can be an external URL, base64 data URI, or uploaded
asset URL.
- type: 'null'
reference_images:
maxItems: 9
type: array
items:
type: string
maxLength: 1024
format: uri
description: >-
Can be an external URL, base64 data URI, or uploaded asset
URL.
reference_videos:
maxItems: 3
type: array
items:
type: string
maxLength: 1024
format: uri
description: >-
Can be an external URL, base64 data URI, or uploaded asset
URL.
reference_video_seconds:
type: number
minimum: 0
maximum: 15
reference_audios:
maxItems: 3
type: array
items:
type: string
maxLength: 1024
format: uri
description: >-
Can be an external URL, base64 data URI, or uploaded asset
URL.
duration:
default: 5
type: integer
minimum: 5
maximum: 15
required:
- prompt
additionalProperties: false
responses:
'200':
description: >-
The resulting job data. This will be returned in a pending state
until the job is completed. See
[`/jobs/{id}`](#tag/default/get/jobs/{id}) for retrieving the
results.
content:
application/json:
schema:
type: object
properties:
job_id:
type: string
format: uuid
pattern: >-
^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
status:
type: string
enum:
- backlogged
- queued
- scheduled
- processing
- sampling
- intermediate-complete
- completed
- failed
- cancelled
created_at:
type: string
format: date-time
pattern: >-
^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z))$
completed_at:
type: 'null'
result:
type: 'null'
error:
type: object
properties:
code:
type: string
message:
type: string
required:
- code
additionalProperties: false
progress:
anyOf:
- type: number
minimum: 0
maximum: 1
- type: 'null'
required:
- job_id
- status
- created_at
- completed_at
- result
additionalProperties: false
'400':
description: The request body is invalid.
content:
application/json:
schema:
type: object
properties:
error:
type: string
required:
- error
additionalProperties: false
'401':
description: You are not authenticated.
content:
application/json:
schema:
type: object
properties:
error:
type: string
required:
- error
additionalProperties: false
'402':
description: You have run out of credits.
content:
application/json:
schema:
type: object
properties:
error:
type: string
required:
- error
additionalProperties: false
'429':
description: You have reached the maximum number of concurrent jobs.
content:
application/json:
schema:
type: object
properties:
error:
type: string
required:
- error
additionalProperties: false
components:
securitySchemes:
bearerAuth:
scheme: bearer
bearerFormat: Bearer
type: http
````
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