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Midjourney API Quickstart

Use this guide when you want to go from API key to your first working Midjourney API integration on TTAPI.

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What You Will Build

This quickstart covers the core Midjourney flow:
  1. Submit an image generation request
  2. Poll the task status
  3. Continue the workflow with an action such as upscale or variation

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Step 1: Generate An Image

Start with the Midjourney Imagine API. This is the main entry point for prompt-based image generation. 
curl --request POST \
  --url https://api.ttapi.io/midjourney/v1/imagine \
  --header 'Content-Type: application/json' \
  --header 'TT-API-KEY: YOUR_API_KEY' \
  --data '
{
  "prompt": "cinematic portrait of an astronaut in neon rain",
  "mode": "fast",
  "hookUrl": "https://your-domain.com/webhook"
}
'

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Step 2: Fetch The Result

Midjourney jobs are asynchronous. After you receive a jobId, poll the Midjourney Fetch API. 
curl --request GET \
  --url "https://api.ttapi.io/midjourney/v1/fetch?jobId=YOUR_JOB_ID" \
  --header 'TT-API-KEY: YOUR_API_KEY'

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Step 3: Continue The Workflow

Once the initial grid is ready, use the Midjourney Action API for operations such as:
  • Upscale
  • Variation
  • Reroll
  • Pan
  • Zoom
GoalRecommended path
Prompt to imageImagine -> Fetch
Continue a strong resultImagine -> Fetch -> Action
Blend multiple sourcesBlend -> Fetch
Edit part of an imageInpaint -> Fetch
Last modified on April 14, 2026