更新日: 2026-06-06

Execute Actions

Action - Upscale / Variation

POST /mj/submit/action

Execute follow-up actions on a completed Imagine task, such as Upscale, Variation, etc.

Request Parameters

Parameter	Type	Required	Description
`taskId`	string	Yes	Original task ID
`customId`	string	Yes	The `customId` of the action button, obtained from the task’s `buttons` field
`notifyHook`	string	No	Callback URL
`state`	string	No	Custom state

Request Example

cURL

curl -X POST https://api.crazyrouter.com/mj/submit/action \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "taskId": "task_1234567890",
    "customId": "MJ::JOB::upsample::1::abc123"
  }'

Response Example

{
  "code": 1,
  "description": "Submitted successfully",
  "result": "task_action_001",
  "properties": {}
}

Blend - Image Blending

POST /mj/submit/blend

Blend multiple images to generate a new image.

Request Parameters

Parameter	Type	Required	Description
`botType`	string	No	`MID_JOURNEY` (default) or `NIJI_JOURNEY`
`base64Array`	array	Yes	Array of Base64-encoded images, 2-5 images
`dimensions`	string	No	Output dimensions: `PORTRAIT`, `SQUARE`, `LANDSCAPE`
`notifyHook`	string	No	Callback URL
`state`	string	No	Custom state

Request Example

cURL

curl -X POST https://api.crazyrouter.com/mj/submit/blend \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "base64Array": [
      "data:image/png;base64,iVBORw0KGgo...",
      "data:image/png;base64,iVBORw0KGgo..."
    ],
    "dimensions": "SQUARE"
  }'

Response Example

{
  "code": 1,
  "description": "Submitted successfully",
  "result": "task_blend_001"
}

Describe - Image Description

POST /mj/submit/describe

Upload an image and let Midjourney generate corresponding prompt descriptions.

Request Parameters

Parameter	Type	Required	Description
`botType`	string	No	`MID_JOURNEY` (default) or `NIJI_JOURNEY`
`base64`	string	Yes	Base64-encoded image
`notifyHook`	string	No	Callback URL
`state`	string	No	Custom state

Request Example

cURL

curl -X POST https://api.crazyrouter.com/mj/submit/describe \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "base64": "data:image/png;base64,iVBORw0KGgo..."
  }'

POST /mj/submit/modal

Submit a Midjourney modal confirmation action (e.g. Region Vary and other operations requiring secondary confirmation).

Request Parameters

Parameter	Type	Required	Description
`taskId`	string	Yes	Original task ID
`prompt`	string	No	Prompt in the modal dialog
`maskBase64`	string	No	Base64-encoded mask image

Request Example

cURL

curl -X POST https://api.crazyrouter.com/mj/submit/modal \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "taskId": "task_1234567890",
    "prompt": "add a rainbow in the sky"
  }'

All actions return a new task ID after submission. Use the Query Task Status endpoint to get results.

Query Task Status Get Seed

Chat - OpenAI

Chat - Claude

Chat - Gemini

Chat - Responses API

画像生成

動画生成

音声

埋め込み & リランキング

その他の API

リファレンス

Execute Actions

Execute Actions

Action - Upscale / Variation

Request Parameters

Request Example

Response Example

Blend - Image Blending

Request Parameters

Request Example

Response Example

Describe - Image Description

Request Parameters

Request Example

Request Parameters

Request Example

​Execute Actions

​Action - Upscale / Variation

​Request Parameters

​Request Example

​Response Example

​Blend - Image Blending

​Request Parameters

​Request Example

​Response Example

​Describe - Image Description

​Request Parameters

​Request Example

​Modal - Dialog Confirmation

​Request Parameters

​Request Example

Execute Actions

Action - Upscale / Variation

Request Parameters

Request Example

Response Example

Blend - Image Blending

Request Parameters

Request Example

Response Example

Describe - Image Description

Request Parameters

Request Example

Modal - Dialog Confirmation

Request Parameters

Request Example