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  1. Midjourney
  • Get Started
    • Overview
    • Quickstart
    • Make Instruction: How to Use PiAPI to Build a Workflow on Make?
  • Endpoints
    • Song(Udio)
      • Song API Task Creation Examples
      • [Udio] Song Extend
      • Get Task
      • Create Task
      • [Udio] Generate Lyrics
    • Kling
      • Lipsync With PiAPI Kling API Examples
      • Motion Brush With PiAPI Kling API Example
      • Kling Elements Video Generation API
      • Kling Effects Video Generation
      • Cancel Task
        • Cancel Tasks
        • Cancel Task
      • Get Task
      • Create Task
      • Kling Virtual Try-On
    • Hailuo
      • Hailuo Director Mode Example
      • Generate Video
      • Get Task
    • Flux
      • Flux with LoRA and Controlnet
      • Available LoRA and Controlnet
      • Flux API with Redux Variation, Fill, Inpaint and Outpaint
      • Create Task
        • Text to Image
        • Image to Image
      • Get task
    • AI Hug
      • Get Task
      • Create Task
    • LLM
      • Use Cases for GPT-4o Image API
      • How To Avoid Timeouts in Completion API
      • GPT-4o Image Generation API
      • LLM API | Basic Completions
      • Get Task
    • Midjourney
      • PiAPI Penalties on Midjourney Usage
      • Detailed Explaination on Midjourney Task Result
      • Midjourney V7 API Instructions
      • Create Task
        • Imagine
        • Upscale
        • Variation
        • Reroll
        • Describe
        • Seed
        • Blend
        • Inpaint
        • Outpaint
        • Pan
      • Cancel Task
        • Cancel Task
        • Cancel Tasks
      • Get Task
    • Faceswap
      • Multi Faceswap
      • Image Faceswap
      • Video Faceswap
      • Get Task
    • TTS
      • Zeroshot Text-to-Speech F5-TTS
      • Get Task
    • Trellis
      • Create Task
      • Get Task
    • Luma Dream Machine
      • Cancel Task
        • Cancel Tasks
        • Cancel Task
      • Create Task
      • Get Task
    • WanX
      • Available LoRA Types for Wanx
      • Generate WanX Task with LoRA Using PiAPI
      • Use Cases for Wanx LoRA
      • Create Task
      • Get Task
    • Skyreels
      • Create Task
      • Get Task
    • Framepack
      • Create Task
      • Get Task
    • Hunyuan Video
      • How to Make a Hunyuan API Call
      • Get Task
      • Generate Video
    • Mmaudio
      • Get Task
      • Generate Audio
    • DiffRhythm
      • Generate Audio
      • Get Task
    • Tools
      • File Upload API
      • Video Upscale
      • Video Upscale-Get Task
      • Remove Background API
      • Remove Background-Get Task
      • Segment With Prompt API
      • Segment With Prompt API-Get Task
      • Image Upscale(Super Resolution) API
      • Image Upscale-Get Task
    • PiAPI Account Management
      • PiAPI Account Info
      • Task List Info
      • User Task History
  • Resources
    • Change Log
    • Output Storage
    • Unified API Schema
    • Webhook
    • Bulk Generation Service
    • Billings
    • PiAPI MCP Server
    • Workspace Manual
      • Host-your-account (HYA) | Back-up Account
      • Host-your-account (HYA) | Debug Checklist
      • Host-your-account (HYA) | Connected Account Status
    • Announcements
      • PiAPI 2025 January 1st Pricing Update
  • Legacy Documentation
    • Midjourney
      • Midjourney Webhook
      • Imagine
        POST
      • Reroll
        POST
      • Upscale
        POST
      • Variation
        POST
      • Inpaint
        POST
      • Outpaint
        POST
      • Pan
        POST
      • Describe
        POST
      • Blend
        POST
      • Seed
        POST
      • Fetch
        POST
      • Multi Fetch
        POST
      • Cancel
        POST
    • Face Swap
      • Video Faceswap
      • Multi-face-swap
      • Fetch
    • Dream Machine
      • Video Generation
      • Video Extend
      • Get Video Generation
    • Kling
      • Video Generation
      • Video Extend
      • Get Video Generation
  1. Midjourney

Reroll

POST
/mj/v2/reroll
legacy/Midjourney
This endpoint from PiAPI's Midjourney API regenerates the images based on the new prompt and the parent task. This endpoint corresponds to the Re-run or Re-roll button from the offcial Midjourney.

Request

Header Params
X-API-Key
string 
required
Insert your API Key here
Example:
{{x-api-key}}
Body Params application/json
origin_task_id
string 
required
The task ID of the parent task.
prompt
string 
optional
Use this parameter to modify the original prompt from the parent task.
skip_prompt_check
boolean 
optional
Use this parameter to skip our internal prompt check. Default value: False.
webhook_endpoint
string 
optional
Task notifications will be sent to the indicated address. The acceptable address can either be a domain or port 443.
webhook_secret
string 
optional
This value will be passed as the x-webhook-secret field in the headers as part of the response.
Example
{
  "origin_task_id": "6886fc4d************d912733806d5",
  "prompt": "a cute cat",
  "skip_prompt_check": false,
  "webhook_endpoint": "",
  "webhook_secret": ""
}

Request samples

Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request POST 'https://api.piapi.ai/mj/v2/reroll' \
--header 'X-API-Key: {{x-api-key}}' \
--header 'Content-Type: application/json' \
--data-raw '{
    "origin_task_id": "6886fc4d************d912733806d5",
    "prompt": "a cute cat",
    "skip_prompt_check": false,
    "webhook_endpoint": "",
    "webhook_secret": ""
}'

Responses

🟢200OK
application/json
OK - Successful response
Body
task id
string 
optional
status
string 
optional
message
string 
optional
Example
{
  "task_id": "1a8149b1*************a644936daa21",
  "status": "success",
  "message": ""
}
🟠400Bad Request
🟠401Unauthorized
🔴500Server Error
Modified at 2024-09-24 02:23:40
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