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POST
/
v1
/
image_generation
Image Generation
curl --request POST \
  --url https://api.minimax.io/v1/image_generation \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: <content-type>' \
  --data '{
  "model": "image-01",
  "prompt": "A girl looking into the distance from a library window",
  "aspect_ratio": "16:9",
  "subject_reference": [
    {
      "type": "character",
      "image_file": "https://cdn.hailuoai.com/prod/2025-08-12-17/video_cover/1754990600020238321-411603868533342214-cover.jpg"
    }
  ],
  "n": 2
}'
{
  "id": "03ff3cd0820949eb8a410056b5f21d38",
  "data": {
    "image_urls": [
      "XXX",
      "XXX",
      "XXX"
    ]
  },
  "metadata": {
    "failed_count": "0",
    "success_count": "3"
  },
  "base_resp": {
    "status_code": 0,
    "status_msg": "success"
  }
}

Authorizations

​
Authorization
string
header
required

HTTP: Bearer Auth

Headers

​
Content-Type
enum<string>
default:application/json
required

The media type of the request body. Must be set to application/json to ensure the data is sent in JSON format.

Available options:
application/json

Body

application/json
​
model
enum<string>
required

Model name. Options: image-01.

Available options:
image-01,
image-01-live
​
prompt
string
required

Text description of the image, max length 1500 characters.

​
subject_reference
object[]

Subject reference for image-to-image generation.

​
aspect_ratio
enum<string>

Image aspect ratio, default 1:1. Options:

  • 1:1 (1024x1024)
  • 16:9 (1280x720)
  • 4:3 (1152x864)
  • 3:2 (1248x832)
  • 2:3 (832x1248)
  • 3:4 (864x1152)
  • 9:16 (720x1280)
  • 21:9 (1344x576)
Available options:
1:1,
16:9,
4:3,
3:2,
2:3,
3:4,
9:16,
21:9
​
width
integer

Image width (px). Only effective for image-01. Must be set together with height. Range [512, 2048], must be divisible by 8. If both width/height and aspect_ratio are provided, aspect_ratio takes priority.

​
height
integer

Height of generated image (pixels). Only effective when model is image-01. Same rules as width.

​
response_format
enum<string>
default:url

Response format for images. Default: url. Options: url, base64. ⚠️ Note: url expires in 24 hours.

Available options:
url,
base64
​
seed
integer

Random seed. Using the same seed and parameters allows result reproduction. If omitted, each of the n images will use a unique random seed.

​
n
integer
default:1

Number of images to generate per request. Range [1, 9]. Default: 1.

Required range: 1 <= x <= 9
​
prompt_optimizer
boolean
default:false

Enable automatic optimization of prompt. Default: false.

Response

200 - application/json
​
data
object
​
metadata
object

Additional metadata about the generation.

​
id
string

Trace ID for request tracking

​
base_resp
object