Qwen Image 2.1 Pro Edit
alibaba/qwen-image-2.1-pro/edit
Edit images with a prompt and 1–10 reference images; generate 1–6 output images.
Examples
Parameters
| Name | Type | Default | Constraints | Description |
|---|---|---|---|---|
| prompt *Prompt | textarea | — | ≤ 5000 chars | Text prompt describing the desired edit, supports Chinese and English; up to about 4500 tokens is recommended. Negative prompts are not supported, so state anything to avoid directly in the prompt (e.g. "no text"). Ask for a cutout or transparent background and the model outputs a PNG with an alpha channel. |
| images *Reference Images | image_upload | — | image/jpeg,image/jpg,image/png,image/bmp,image/tiff,image/webp,image/gif · 1–10 items | Reference images for editing, 1-10 images. Up to 10MB each, 1-8000px per side (384-2048px recommended), aspect ratio up to 10:1. Order defines image 1, image 2 ... image 10 in the prompt. |
| nNumber of Images | number | 1 | 1 ~ 6 · step 1 | Generate 1-6 images per request, billed per successfully generated image |
| sizeSize | text | — | ≤ 16 chars | Output size in width*height format. Total pixels from 512*512 to 2048*2048, aspect ratio between 1:8 and 8:1. Recommended: 2048*2048 (1:1), 2688*1536 (16:9), 1536*2688 (9:16), 2368*1728 (4:3), 1728*2368 (3:4). Leave empty to let the model auto-select. |
| prompt_extendPrompt Extend | boolean | true | — | Automatically expands and optimizes the prompt. Recommended; most useful for short prompts. |
| enable_thinkingThinking Mode | boolean | true | — | Enhances reasoning to improve image quality at the cost of longer generation time. Only takes effect when Prompt Extend is on. |
| seedSeed | number | — | 0 ~ 2147483647 · step 1 | For reproducibility, 0-2147483647. Leave empty for random. |
Output fields
| Field | Type | Description |
|---|---|---|
| images | array<string> |
API
Call this model through one unified REST API. Get a key on the API Keys page.
cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/alibaba/qwen-image-2.1-pro/edit" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"input": {
"prompt": "Using image 1 as the main product reference and image 2 as the lifestyle scene reference, create a clean premium e-commerce hero image of the same leather handbag placed on a light beige stone pedestal in soft natural studio lighting. Keep the bag'\''s exact shape, color, stitching, hardware, and proportions consistent with the reference. Replace the background with a minimal warm neutral setting, add a subtle soft shadow under the bag, and remove any distracting props. No text, no watermark, no extra bags, no people, no logo changes.",
"images": [
"https://d1s3annbwribom.cloudfront.net/marketplace/examples/261013/default/254gkbbtuykh.jpeg",
"https://d1s3annbwribom.cloudfront.net/marketplace/examples/261013/default/5f4s804daar9.jpeg"
],
"n": 1,
"size": "2048*2048",
"prompt_extend": true,
"enable_thinking": true,
"seed": 12345
}
}'
# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
-H "Authorization: Bearer YOUR_API_KEY"Python
import time, requests
API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}
# 1) Submit
resp = requests.post(
"https://www.namifusion.com/api/v1/marketplace/run/alibaba/qwen-image-2.1-pro/edit",
headers=HEADERS,
json={
"input": {
"prompt": "Using image 1 as the main product reference and image 2 as the lifestyle scene reference, create a clean premium e-commerce hero image of the same leather handbag placed on a light beige stone pedestal in soft natural studio lighting. Keep the bag's exact shape, color, stitching, hardware, and proportions consistent with the reference. Replace the background with a minimal warm neutral setting, add a subtle soft shadow under the bag, and remove any distracting props. No text, no watermark, no extra bags, no people, no logo changes.",
"images": [
"https://d1s3annbwribom.cloudfront.net/marketplace/examples/261013/default/254gkbbtuykh.jpeg",
"https://d1s3annbwribom.cloudfront.net/marketplace/examples/261013/default/5f4s804daar9.jpeg"
],
"n": 1,
"size": "2048*2048",
"prompt_extend": True,
"enable_thinking": True,
"seed": 12345
}
},
)
resp.raise_for_status() # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()
# 2) Poll until a terminal state (completed / failed / cancelled).
# This model is allowed up to 1800s server-side.
deadline = time.time() + 1860
while task.get("status") not in ("completed", "failed", "cancelled"):
if time.time() > deadline:
raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
time.sleep(3)
poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
poll.raise_for_status()
task = poll.json()
print(task["status"], task.get("output"))JavaScript
const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };
// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/alibaba/qwen-image-2.1-pro/edit", {
method: "POST",
headers: { ...HEADERS, "Content-Type": "application/json" },
body: JSON.stringify({
"input": {
"prompt": "Using image 1 as the main product reference and image 2 as the lifestyle scene reference, create a clean premium e-commerce hero image of the same leather handbag placed on a light beige stone pedestal in soft natural studio lighting. Keep the bag's exact shape, color, stitching, hardware, and proportions consistent with the reference. Replace the background with a minimal warm neutral setting, add a subtle soft shadow under the bag, and remove any distracting props. No text, no watermark, no extra bags, no people, no logo changes.",
"images": [
"https://d1s3annbwribom.cloudfront.net/marketplace/examples/261013/default/254gkbbtuykh.jpeg",
"https://d1s3annbwribom.cloudfront.net/marketplace/examples/261013/default/5f4s804daar9.jpeg"
],
"n": 1,
"size": "2048*2048",
"prompt_extend": true,
"enable_thinking": true,
"seed": 12345
}
}),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();
// 2) Poll until a terminal state (completed / failed / cancelled).
// This model is allowed up to 1800s server-side.
const deadline = Date.now() + 1860 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
await new Promise((r) => setTimeout(r, 3000));
const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
task = await poll.json();
}
console.log(task.status, task.output);Documentation
Qwen Image 2.1 Pro Edit
alibaba/qwen-image-2.1-pro/edit
Edit images with a prompt and 1–10 reference images; generate 1–6 output images.
Parameters
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
prompt | string | true | — | Text prompt describing the desired edit, supports Chinese and English; up to about 4500 tokens is recommended. Negative prompts are not supported, so state anything to avoid directly in the prompt (e.g. "no text"). Ask for a cutout or transparent background and the model outputs a PNG with an alpha channel.; max 5000 characters |
images | array | true | — | Reference images for editing, 1-10 images. Up to 10MB each, 1-8000px per side (384-2048px recommended), aspect ratio up to 10:1. Order defines image 1, image 2 ... image 10 in the prompt.; 1–10 URLs |
n | integer | false | 1 | Generate 1-6 images per request, billed per successfully generated image [1, 6] |
size | string | false | — | Output size in widthheight format. Total pixels from 512512 to 20482048, aspect ratio between 1:8 and 8:1. Recommended: 20482048 (1:1), 26881536 (16:9), 15362688 (9:16), 23681728 (4:3), 17282368 (3:4). Leave empty to let the model auto-select.; max 16 characters |
prompt_extend | boolean | false | true | Automatically expands and optimizes the prompt. Recommended; most useful for short prompts. |
enable_thinking | boolean | false | true | Enhances reasoning to improve image quality at the cost of longer generation time. Only takes effect when Prompt Extend is on. |
seed | integer | false | — | For reproducibility, 0-2147483647. Leave empty for random. [0, 2.14748e+09] |
Pricing
$0.04 per successfully generated image (4 credits). Precharge = unit price × requested n; settlement uses the actual successful output image count. Input reference images, output size and prompt expansion add no charge. Default n=1.
size uses width*height; total pixels 512²–2048², aspect ratio 1:8–8:1. Omit size for automatic selection. Omit seed for random generation. enable_thinking only applies when prompt_extend=true.
Alibaba International standard USD list prices. USD 1 = 100 credits. Account discounts are applied separately.
API
curl -X POST https://www.namifusion.com/api/v1/marketplace/run/alibaba/qwen-image-2.1-pro/edit \
-H "Authorization: Bearer $API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"input": {
"n": 1,
"seed": 12345,
"size": "2048*2048",
"images": [
"https://d1s3annbwribom.cloudfront.net/marketplace/examples/261013/default/254gkbbtuykh.jpeg",
"https://d1s3annbwribom.cloudfront.net/marketplace/examples/261013/default/5f4s804daar9.jpeg"
],
"prompt": "Using image 1 as the main product reference and image 2 as the lifestyle scene reference, create a clean premium e-commerce hero image of the same leather handbag placed on a light beige stone pedestal in soft natural studio lighting. Keep the bag'"'"'s exact shape, color, stitching, hardware, and proportions consistent with the reference. Replace the background with a minimal warm neutral setting, add a subtle soft shadow under the bag, and remove any distracting props. No text, no watermark, no extra bags, no people, no logo changes.",
"prompt_extend": true,
"enable_thinking": true
}
}'
curl 'https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID' \
-H "Authorization: Bearer $API_KEY"
Poll task_uuid until completed or failed. On success, output.images contains output URL strings.
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