speedstring
Generation speed.
Default: "fast"
Possible values: "draft", "fast"
Midjourney V8.1
midjourney/midjourney-v8.1Midjourney V8.1 text-to-image generation through Evolink.ai.
Try the model
Playground
Input
Text prompt used to generate the image.
Additional Settings More
Customize your input with more control.
Generation speed. Allowed values: draft, fast.
Output quality. HD is unavailable with draft speed. Allowed values: standard, hd.
ResultExample
What would you like to do next?
What would you like to do next?
What would you like to do next?
What would you like to do next?
Examples
Select an example to load its inputs and result into the playground.
- Open result ↗
Input
{ "prompt": "Square flash sale poster for a pair of white running shoes on a bright yellow background. A headline that reads exactly: \"FLASH SALE\". Show the old price \"Was $129.00\" with a strikethrough line, and the new price \"Now $89.00\" larger next to it. At the bottom, a line that reads exactly: \"Ends 2026.10.03\". Render the text exactly as written, with no other text anywhere in the image." }
Midjourney V8.1
Midjourney V8.1 text-to-image: Midjourney's distinctive aesthetic, with draft and HD options.
Fields
| Field | Type | Default | Notes |
|---|---|---|---|
prompt | string, required | — | Up to 1,024 characters. |
speed | draft / fast | fast | draft is faster and cheaper. |
quality | standard / hd | standard | hd renders at higher resolution. |
Billing
Per request: $0.08 draft, $0.10 standard, $0.12 HD.
| Mode | Price |
|---|---|
| Draft | $0.08 |
| Fast, standard | $0.10 |
| Fast, HD | $0.12 |
Failed runs are not charged.
Prompting
- Midjourney prompt style works: subject, style, and parameters like
--ar 16:9.
Start building
Send your first request
Submit this model through the SandBase Unified Run API.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/run" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "midjourney/midjourney-v8.1",
"speed": "fast",
"quality": "standard"
}
SANDBASE_JSON
)
run_id=$(printf '%s' "$result" | jq -r .id)
for attempt in $(seq 1 120); do
status=$(printf '%s' "$result" | jq -r .status)
case "$status" in completed|failed|timeout) break ;; esac
sleep 2
result=$(curl --fail-with-body --silent \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
"https://api.sandbase.ai/v1/run/$run_id")
done
status=$(printf '%s' "$result" | jq -r .status)
[ "$status" = completed ] || { echo "Generation ended: $status" >&2; exit 1; }
printf '%s\n' "$result"2. Authentication
Create a SandBase API key and set it in your server environment. All requests use Bearer authentication.
export SANDBASE_API_KEY="YOUR_API_KEY"Keep the key on your server. Do not expose it in browser code or commit it to a repository.
3. Queue
Submit a request
POST to /v1/run with this model ID and its inputs. The request example above includes submission and polling.
Fetch request status and result
Use the returned run ID to poll until the status is completed, failed or timeout. Read output only after completed.
curl "https://api.sandbase.ai/v1/run/$RUN_ID" \
-H "Authorization: Bearer $SANDBASE_API_KEY"4. Files
Hosted files
Pass a publicly accessible file URL in the model’s image, video or audio field. Supported formats and limits are shown beside each Playground input.
Uploading images
Use the upload or replace control on supported image fields in the Playground. Video URL fields accept a hosted driving video; they do not imply video-upload support.
5. Schema
Input
promptstringrequired
Text prompt used to generate the image.
qualitystring
Output quality. HD is unavailable with draft speed.
Default: "standard"
Possible values: "standard", "hd"
{
"model": "midjourney/midjourney-v8.1",
"speed": "fast",
"quality": "standard"
}Output
A completed run exposes its result in output. The following is the model’s saved example, not a new generation.
[
{
"source": "Self organization completed prediction",
"source_url": "https://www.sandbase.ai",
"url": "https://static.sandbase.ai/examples/fc79005f-d1a9-42c1-8669-5f14ddbb6d67/output/25487bfa-98a4-416a-aed7-b0dba2dc64b1.png"
},
{
"source": "Self organization completed prediction",
"source_url": "https://www.sandbase.ai",
"url": "https://static.sandbase.ai/examples/fc79005f-d1a9-42c1-8669-5f14ddbb6d67/output/a6d16d84-a3c0-40bf-955a-21ae1f750c03.png"
},
{
"source": "Self organization completed prediction",
"source_url": "https://www.sandbase.ai",
"url": "https://static.sandbase.ai/examples/fc79005f-d1a9-42c1-8669-5f14ddbb6d67/output/65a552dd-394e-46fa-b40d-a7dacb73e1b8.png"
},
{
"source": "Self organization completed prediction",
"source_url": "https://www.sandbase.ai",
"url": "https://static.sandbase.ai/examples/fc79005f-d1a9-42c1-8669-5f14ddbb6d67/output/f55068bb-7757-4398-ad42-eb1249d023a5.png"
}
]