alibaba/qwen-image-3.0-pro/text-to-image6クレジットから /枚· 画像を作成Qwen Image 3.0 Pro text-to-image は Alibaba の Qwen 系列の高精細ティアで、複数要素の文字組みや肌・布・ガラスの描写に重点を置きます。5,000 文字のプロンプトを 1k か 2k、8 種の比率で受けます。
POST /jobs/createTask でモデル名に alibaba/qwen-image-3.0-pro/text-to-image を指定すれば呼び出せます。6クレジット/枚から($0.06)。新規アカウントには 30 クレジットが付くので、まず Playground で無料で試せます。
- 画像を作成
- 画像を編集
- 最大2K
- 参照画像は最大3枚
- 8種類のアスペクト比
alibaba/qwen-image-3.0-pro/text-to-imagePOST https://api.popnow.ai/api/v1/jobs/createTask# 1. Create the task. Keep the Idempotency-Key if you retry after a network error.
export IDEMPOTENCY_KEY="$(uuidgen)"
curl -X POST https://api.popnow.ai/api/v1/jobs/createTask \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $IDEMPOTENCY_KEY" \
-d '{
"model": "alibaba/qwen-image-3.0-pro/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "2k",
"num_outputs": 1
}
}'
# 2. Copy data.taskId from the response, then poll until state is succeeded, failed, canceled or expired.
TASK_ID="TASK_ID_FROM_RESPONSE"
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"// Node 18+ (or any runtime with fetch). Keep the API key on your server.
const BASE = "https://api.popnow.ai/api/v1";
const headers = { Authorization: `Bearer ${process.env.POPNOW_API_KEY}` };
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
async function call(path, init = {}) {
const res = await fetch(BASE + path, { ...init, headers: { ...headers, ...init.headers } });
const body = await res.json();
if (body.code !== 200) throw new Error(`${body.code} ${body.msg}`);
return body.data;
}
const { taskId } = await call("/jobs/createTask", {
method: "POST",
headers: { "Content-Type": "application/json", "Idempotency-Key": crypto.randomUUID() },
body: JSON.stringify({
"model": "alibaba/qwen-image-3.0-pro/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "2k",
"num_outputs": 1
}
}),
});
// Poll with backoff. A finished task may still be copying files: wait while an asset is pending.
let task;
for (let delay = 2000; ; delay = Math.min(delay * 1.5, 15000)) {
await sleep(delay);
task = await call(`/jobs/recordInfo?taskId=${taskId}`);
const copying = (task.output?.assets ?? []).some((a) => a.pending && !a.unavailable);
if (["succeeded", "failed", "canceled", "expired"].includes(task.state) && !copying) break;
}
if (task.state !== "succeeded") throw new Error(`${task.state}: ${task.errorMessage ?? "no detail"}`);
// Each asset has a signed url (no API key needed) that expires at expiresAt: save the file.
for (const asset of task.output.assets) console.log(asset.url);import os, time, uuid, requests
BASE = "https://api.popnow.ai/api/v1"
HEADERS = {"Authorization": f"Bearer {os.environ['POPNOW_API_KEY']}"}
def call(method, path, **kwargs):
body = requests.request(method, BASE + path, headers={**HEADERS, **kwargs.pop("headers", {})}, timeout=30, **kwargs).json()
if body["code"] != 200:
raise RuntimeError(f'{body["code"]} {body["msg"]}')
return body["data"]
task_id = call(
"POST",
"/jobs/createTask",
headers={"Idempotency-Key": str(uuid.uuid4())}, # reuse it if you retry
json={
"model": "alibaba/qwen-image-3.0-pro/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "2k",
"num_outputs": 1
}
},
)["taskId"]
# Poll with backoff. A finished task may still be copying files: wait while an asset is pending.
delay = 2.0
while True:
time.sleep(delay)
task = call("GET", "/jobs/recordInfo", params={"taskId": task_id})
assets = (task.get("output") or {}).get("assets") or []
copying = any(a.get("pending") and not a.get("unavailable") for a in assets)
if task["state"] in ("succeeded", "failed", "canceled", "expired") and not copying:
break
delay = min(delay * 1.5, 15.0)
if task["state"] != "succeeded":
raise RuntimeError(f'{task["state"]}: {task.get("errorMessage", "no detail")}')
# Each asset has a signed url (no API key needed) that expires at expiresAt: save the file.
for asset in assets:
print(asset["url"])input は下のスキーマから作っているので、このままで検証を通ります。プロンプトとリンクを自分のものに替えてください。
料金
| オプション | クレジット /枚 | ≈ USD |
|---|---|---|
resolution 1K | 6 | $0.06 |
resolution 2K | 11.25 | $0.11 |
1クレジット = $0.01 · すべてのオプションと料金:GET /models/alibaba/qwen-image-3.0-pro/text-to-image
制限
- 解像度
- 1K · 2K
- アスペクト比
- 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 +2
- プロンプトの長さ(文字)
- 5,000
パラメーター
これらのフィールドは、すべてのリクエストの検証に使っているのと同じスキーマから来ています。ここにないフィールドは拒否されます。
promptstring必須Describe the subject, composition, lighting, and any text to render.
aspect_ratiostring任意画面の形:横長、正方形、縦長。
resolutionstring任意料金が変わります出力サイズ。大きいほど鮮明で、料金も上がります。
num_outputsinteger任意料金が変わります一度に作る枚数。
enable_prompt_expansionboolean任意短いプロンプトにモデルが詳細を補います。
negative_promptstring任意入れたくないもの。
prompt_optimization_modestring任意How prompt expansion rewrites the brief: single pass, or a multi-step agent rewrite.
seedinteger任意同じ数字を使えば、同じ結果を再現できます。
JSON スキーマ(原文)
{
"type": "object",
"required": [
"prompt"
],
"properties": {
"seed": {
"type": "integer",
"maximum": 2147483647,
"minimum": 0,
"description": "Random seed for controlled comparisons."
},
"prompt": {
"type": "string",
"maxLength": 5000,
"minLength": 1,
"description": "Describe the subject, composition, lighting, and any text to render."
},
"resolution": {
"enum": [
"1k",
"2k"
],
"type": "string",
"default": "2k",
"description": "Output image resolution tier."
},
"num_outputs": {
"type": "integer",
"default": 1,
"maximum": 1,
"minimum": 1,
"description": "Number of output images."
},
"aspect_ratio": {
"enum": [
"1:1",
"16:9",
"9:16",
"4:3",
"3:4",
"3:2",
"2:3",
"21:9"
],
"type": "string",
"default": "1:1",
"description": "Output aspect ratio."
},
"negative_prompt": {
"type": "string",
"maxLength": 2000,
"description": "Describe elements to exclude from the image."
},
"enable_prompt_expansion": {
"type": "boolean",
"default": true,
"description": "Let the service rewrite and expand the prompt before generation."
},
"prompt_optimization_mode": {
"enum": [
"direct",
"agent"
],
"type": "string",
"default": "direct",
"description": "How prompt expansion rewrites the brief: single pass, or a multi-step agent rewrite."
}
},
"additionalProperties": false
}Qwen Image 3.0 Proで作った実例

A private investigator's office after dark, seen from the hallway through a frosted glass door painted with gold lettering that reads 'M. VALE — INQUIRIES': inside, an adult man with a loosened tie studies a photograph under a green desk lamp while rain crawls down the window behind him. Cinematic, deep shadow, warm lamp glow.
{
"model": "alibaba/qwen-image-3.0-pro/text-to-image",
"input": {
"prompt": "A private investigator's office after dark, seen from the hallway through a frosted glass door painted with gold lettering that reads 'M. VALE — INQUIRIES': inside, an adult man with a loosened tie studies a photograph under a green desk lamp while rain crawls down the window behind him. Cinematic, deep shadow, warm lamp glow.",
"aspect_ratio": "4:3",
"resolution": "2k",
"num_outputs": 1
}
}レスポンス、ポーリング、コールバック
どのモデルも使い方は同じです。タスクを作成し、ポーリングするかコールバックを待ちます。
先に見積もる
curl -X POST https://api.popnow.ai/api/v1/jobs/quote \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "alibaba/qwen-image-3.0-pro/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "2k",
"num_outputs": 1
}
}'本文は createTask と同じです。想定される請求額と最大の請求額を返し、何も実行しません。
受付済み
HTTP/1.1 202 Accepted
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"state": "queued"
},
"request_id": "req_example_create"
}HTTP 202 はタスクを受け付けたという意味です。クレジットは確保されただけで、まだ引き落とされていません。最終的な請求額が確保額を超えることはありません。
状態の確認
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"間隔を少しずつ空けながら数秒ごとに確認し、state が succeeded、failed、canceled、expired のいずれかになったら止めます。
完了したタスク
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"model": "alibaba/qwen-image-3.0-pro/text-to-image",
"state": "succeeded",
"output": {
"assets": [
{
"url": "https://cdn.popnow.ai/tasks/task_01k3m8x9q2z4v7n5p6r8s0t1w3/output.png?signature=FROM_RESPONSE",
"expiresAt": "2026-10-17T12:20:00Z",
"mime": "image/png",
"width": 1024,
"height": 1024
}
]
},
"settled": true
},
"request_id": "req_example_record"
}expiresAt までに url からダウンロードしてください。あとで新しいリンクが必要なら POST /common/download-url を使います。
コールバックを検証する
import { createHash, createHmac, timingSafeEqual } from "node:crypto";
import express from "express";
const app = express();
// express.raw keeps the exact bytes that were signed; express.json would not match.
app.post("/hooks/popnow", express.raw({ type: "application/json" }), (req, res) => {
const timestamp = req.header("X-Webhook-Timestamp");
const signature = req.header("X-Webhook-Signature") ?? "";
const body = JSON.parse(req.body.toString("utf8"));
const taskId = body.data?.taskId ?? body.task_id;
const digest = createHash("sha256").update(req.body).digest("hex");
const expected = createHmac("sha256", process.env.POPNOW_WEBHOOK_SECRET)
.update(`${taskId}.${timestamp}.${digest}`)
.digest("base64");
const ok = expected.length === signature.length && timingSafeEqual(Buffer.from(expected), Buffer.from(signature));
// Check the signature first, then reject anything older than five minutes.
if (!ok || Math.abs(Date.now() / 1000 - Number(timestamp)) > 300) return res.status(401).end();
res.status(200).end(); // answer fast, then fetch the task and store its files
});callBackUrl を指定すると、完了したタスクをお送りします。信頼する前に、生のリクエスト本文で署名を確認してください。
ローカルファイルを送る
curl -X POST https://api.popnow.ai/api/v1/common/upload-url \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-d '{"contentType": "image/png", "bytes": 482113}'
# PUT the file bytes to data.uploadUrl with every header in data.headers, then commit it:
curl -X POST https://api.popnow.ai/api/v1/files/$FILE_ID/commit \
-H "Authorization: Bearer $POPNOW_API_KEY"
# The commit returns a popnow://f/... reference. Put it in any image, video or
# audio field of the task input instead of a public https URL.公開 https リンクはそのまま使えます。ローカルファイルは先に upload-url と commit を通します。

