Midjourney

Vendor: Midjourney

Image

Latest Midjourney v8.2 image generation with follow-up actions

Typical latency: 30-90s
Reference inputs: Up to 4
toolId: midjourney

Input modes

text-to-imageimage-to-image

Variants

Imagine

Prompt and image-reference generation on Midjourney v8.2.

text-to-imageimage-to-image

Edit

Text-guided edits for one or more reference images.

image-to-image

Blend

Blend two to four uploaded images into a new composition.

image-to-image

Describe

Generate prompt ideas from one uploaded image.

image-to-image

Upscale

Upscale one image from a completed four-image Midjourney grid.

text-to-image

Variation

Create a variation from a selected image in a completed grid.

text-to-image

Vary Strong

Create a stronger variation from an upscaled image.

text-to-image

Vary Subtle

Create a subtle variation from an upscaled image.

text-to-image

Reroll

Rerun a completed Midjourney task with the same prompt.

text-to-image

Zoom Out

Zoom out from an upscaled Midjourney image.

text-to-image

Pan

Extend an upscaled image left, right, up, or down.

text-to-image

Inpaint

Start an inpaint job and open the mask editing step.

text-to-image

Modal

Submit prompt and mask data for an active inpaint task.

text-to-image

Remix Strong

Remix a selected image with a stronger prompt change.

text-to-image

Remix Subtle

Remix a selected image with a lighter prompt change.

text-to-image

Parameters

Parameter	Type	Default	Values	Notes
version	select	8.2	8.2 \| 8.1 \| 8 \| 7 \| 6.1 \| 6 \| 5.2	Model version. Prompt syntax and look differ between versions; older prompts often need rework on newer versions.
aspect_ratio	select	1:1	1:1 \| 16:9 \| 9:16 \| 4:3 \| 3:4 \| 3:2 \| 2:3 \| 21:9	Output frame shape. Keep one ratio across a series.
speed	select	fast	relax \| fast \| turbo	Turbo returns faster results and costs more.
quality	select	1	0.25 \| 0.5 \| 1 \| 2	Render quality/time trade-off. Higher q spends more render time.
stylize	slider	100	0–1000	Controls artistic style intensity.
chaos	slider	0	0–100	Higher values produce more varied results.
weird	slider	0	0–3000	Adds unusual composition and style choices.
raw	toggle	false	—	Reduces default aesthetic styling for more literal results.
tile	toggle	false	—	Creates seamless repeating patterns when supported by the selected version.
niji	toggle	false	—	Uses Niji anime styling. Select v7 or v6 for best compatibility.
seed	text		–20	Optional integer seed for repeatable results.
negative_prompt	text		–1000	Things to avoid in the image.
sref	text		–1000	Optional URL used as a style reference.
cref	text		–1000	Optional URL used as a character reference.
iw	slider	1	0–3	Controls how strongly uploaded image references influence the result.

Pricing

Pricing will be published shortly — contact us for early access rates

Prices last updated: —

API example

POST /v1/generations — midjourney

curl -X POST https://api.mukelabs.com/v1/generations \
  -H "Authorization: Bearer $MUKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "toolId": "midjourney",
    "inputMode": "text-to-image",
    "prompt": "your prompt here",
    "params": { "version": "8.2" },
    "references": [],
    "idempotencyKey": "a-unique-key-per-task",
    "subjectId": "your-user-id"
  }'

FAQ

How do I call Midjourney on Muke Labs?

Submit POST /v1/generations with toolId "midjourney" and one of its input modes (text-to-image, image-to-image), then poll GET /v1/generations/{jobId} for the result.

What does Midjourney cost?

Public pricing for this model is being finalized — contact us for early access rates. All tasks are billed from your prepaid USD balance and failed tasks refund automatically.

What happens if a task fails?

The job returns status "failed" with a typed error code, and its charge is returned to your balance automatically.

Where do I get an API key?

Create one in the developer portal (https://portal.muke.name), then send it as a Bearer token on every request.