> ## Documentation Index
> Fetch the complete documentation index at: https://mulerouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Diffusion

> Image Generation - Text to Image

<Note>
  The `prompt` parameter is compatible with Midjourney's format. Please refer to Midjourney's [official documentation](https://docs.midjourney.com/hc/en-us/articles/32859204029709-Parameter-List) for more details.
</Note>

## Pricing

| Task Name | Mode               |            Pricing |
| :-------- | :----------------- | -----------------: |
| Diffusion | Fast Mode          |  0.085\$ Per Image |
|           | Turbo Mode         |   0.17\$ Per Image |
|           | Draft Mode (Fast)  | 0.0425\$ Per Image |
|           | Draft Mode (Turbo) |  0.085\$ Per Image |


## OpenAPI

````yaml /api-reference/endpoint/midjourney/midjourney.yaml POST /vendors/midjourney/v1/tob/diffusion
openapi: 3.1.0
info:
  title: Midjourney API
  description: Midjourney Image and Video Generation API
  version: 1.0.0
servers:
  - url: https://api.mulerouter.ai/
security:
  - bearerAuth: []
paths:
  /vendors/midjourney/v1/tob/diffusion:
    post:
      summary: Text to Image
      description: Image Generation - Text to Image
      operationId: diffusion_text2image
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DiffusionRequest'
            example:
              prompt: >-
                A delicious-looking molten chocolate lava cake that has been cut
                open.
        required: true
      responses:
        '202':
          description: Task accepted and queued for processing
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DiffusionTaskResponse'
              example:
                task_info:
                  id: 8e1e315e-b50d-4334-a231-be7d19a372f4
                  status: pending
                  created_at: '2025-09-21T00:00:00.000Z'
                  updated_at: '2025-09-21T00:00:00.000Z'
components:
  schemas:
    DiffusionRequest:
      type: object
      additionalProperties: false
      properties:
        prompt:
          type: string
          description: >-
            Text prompt for image generation. Must be between 1 and 8192
            characters. This prompt is compatible with Midjourney's format.
          minLength: 1
          maxLength: 8192
      required:
        - prompt
      description: Text to Image generation request body
    DiffusionTaskResponse:
      type: object
      additionalProperties: true
      properties:
        task_info:
          $ref: '#/components/schemas/TaskInfoResponse'
      required:
        - task_info
    TaskInfoResponse:
      type: object
      additionalProperties: true
      properties:
        id:
          type: string
          description: UUID of the task
          format: uuid
        status:
          type: string
          description: Task status
          enum:
            - pending
            - processing
            - completed
            - failed
          example: pending
        created_at:
          type: string
          description: Task creation timestamp (ISO 8601)
          format: date-time
        updated_at:
          type: string
          description: Task last update timestamp (ISO 8601)
          format: date-time
        error:
          $ref: '#/components/schemas/TaskInfoResponseErrorObject'
          description: >-
            Error message of task execution, only returned when task status is
            failed
      required:
        - id
        - status
        - created_at
        - updated_at
    TaskInfoResponseErrorObject:
      type: object
      additionalProperties: true
      properties:
        code:
          type: integer
          description: MuleRouter Error code
          example: 3001
        title:
          type: string
          description: MuleRouter Error title
          example: Task Execution Error
        detail:
          type: string
          description: MuleRouter Error detail
          example: Task execution failed
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

````