또렷하게 읽히는 이미지 속 글자와 정밀한 마스크 편집
- 최대 4K
- 참조 이미지 최대 10장
- 화면비 15종
- 한 번에 최대 10장
- 이미지 만들기
- 이미지 편집
예시 보기POST /jobs/createTask에서 모델 이름을 openai/gpt-image-2/text-to-image(으)로 지정하면 호출할 수 있습니다. 1크레딧/장부터(US$0.01). 새 계정에는 30크레딧이 지급되니 Playground에서 먼저 무료로 써 보세요.
openai/gpt-image-2/text-to-imagePOST https://api.popnow.ai/api/v1/jobs/createTask# 1. Create the task. Keep the Idempotency-Key if you retry after a network error.
export IDEMPOTENCY_KEY="$(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: $IDEMPOTENCY_KEY" \
-d '{
"model": "openai/gpt-image-2/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "1k",
"quality": "medium",
"num_outputs": 1,
"output_format": "png"
}
}'
# 2. Copy data.taskId from the response, then poll until state is succeeded, failed, canceled or expired.
TASK_ID="TASK_ID_FROM_RESPONSE"
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$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} ${body.msg}`);
return body.data;
}
const { taskId } = await call("/jobs/createTask", {
method: "POST",
headers: { "Content-Type": "application/json", "Idempotency-Key": crypto.randomUUID() },
body: JSON.stringify({
"model": "openai/gpt-image-2/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "1k",
"quality": "medium",
"num_outputs": 1,
"output_format": "png"
}
}),
});
// Poll with backoff. A finished task may still be copying files: wait while an asset is pending.
let task;
for (let delay = 2000; ; delay = Math.min(delay * 1.5, 15000)) {
await sleep(delay);
task = await call(`/jobs/recordInfo?taskId=${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": "openai/gpt-image-2/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "1k",
"quality": "medium",
"num_outputs": 1,
"output_format": "png"
}
},
)["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"])input은 아래 스키마로 만들었기 때문에 그대로 검증을 통과합니다. 프롬프트와 링크만 내 것으로 바꾸세요.
가격
| 옵션 | 크레딧 /장 | ≈ USD |
|---|---|---|
aspect_ratio 1:3quality lowresolution 1K | 0.27 | US$0.0027 |
aspect_ratio 3:1quality lowresolution 1K | 0.27 | US$0.0027 |
aspect_ratio 21:9quality lowresolution 1K | 0.37 | US$0.0037 |
aspect_ratio 9:21quality lowresolution 1K | 0.37 | US$0.0037 |
aspect_ratio 1:2quality lowresolution 1K | 0.41 | US$0.0041 |
aspect_ratio 2:1quality lowresolution 1K | 0.41 | US$0.0041 |
aspect_ratio 1:3quality lowresolution 2K | 0.43 | US$0.0043 |
aspect_ratio 3:1quality lowresolution 2K | 0.43 | US$0.0043 |
aspect_ratio 16:9quality lowresolution 1K | 0.46 | US$0.0046 |
aspect_ratio 9:16quality lowresolution 1K | 0.46 | US$0.0046 |
aspect_ratio 2:3quality lowresolution 1K | 0.54 | US$0.0054 |
aspect_ratio 3:2quality lowresolution 1K | 0.54 | US$0.0054 |
1크레딧 = $0.01 · 모든 옵션과 가격: GET /models/openai/gpt-image-2/text-to-image
작업마다 크레딧은 정수로 올림 처리되므로, 가장 낮은 옵션으로 한 번 실행하면 1크레딧/장(US$0.01)입니다.
제한
- 해상도
- 1K · 2K · 4K
- 화면 비율
- 1:1 · 1:2 · 1:3 · 2:1 · 2:3 · 3:1 +9
- 호출당 출력 수
- 1–10
- 프롬프트 길이(글자)
- 5,000
파라미터
이 필드들은 모든 요청을 검사할 때 쓰는 것과 같은 스키마에서 나옵니다. 목록에 없는 필드는 거부됩니다.
promptstring필수Describe the image you want.
aspect_ratiostring선택가격이 달라짐화면 모양: 가로, 정사각형, 세로.
resolutionstring선택가격이 달라짐출력 크기. 클수록 선명하고 가격도 올라갑니다.
qualitystring선택가격이 달라짐시간과 비용을 더 들여 디테일을 높입니다.
num_outputsinteger선택가격이 달라짐한 번에 만들 결과 수.
output_formatstring선택결과 파일 형식.
output_qualityinteger선택Compression quality for JPEG and WebP, from 0 to 100.
원본 JSON 스키마
{
"type": "object",
"required": [
"prompt"
],
"properties": {
"prompt": {
"type": "string",
"maxLength": 5000,
"minLength": 1,
"description": "Describe the image you want."
},
"quality": {
"enum": [
"low",
"medium",
"high"
],
"type": "string",
"default": "medium",
"description": "Rendering quality. Higher tiers add detail, time and cost."
},
"resolution": {
"enum": [
"1k",
"2k",
"4k"
],
"type": "string",
"default": "1k",
"description": "Output size tier."
},
"num_outputs": {
"type": "integer",
"default": 1,
"maximum": 10,
"minimum": 1,
"description": "How many images to return, each billed separately."
},
"aspect_ratio": {
"enum": [
"1:1",
"1:2",
"1:3",
"2:1",
"2:3",
"3:1",
"3:2",
"3:4",
"4:3",
"4:5",
"5:4",
"9:16",
"9:21",
"16:9",
"21:9"
],
"type": "string",
"default": "1:1",
"description": "Output aspect ratio."
},
"output_format": {
"enum": [
"png",
"jpeg",
"webp"
],
"type": "string",
"default": "png",
"description": "File format of the returned images."
},
"output_quality": {
"type": "integer",
"maximum": 100,
"minimum": 0,
"description": "Compression quality for JPEG and WebP, from 0 to 100."
}
},
"additionalProperties": false
}GPT Image 2로 만든 실제 결과

Swiss-style typographic poster: enormous bold numerals "3 2 1" stacked in cobalt, tangerine and lilac, with the word "POP!" bursting out of a glossy pink bubblegum bubble at the bottom; small clean grotesk text "A FESTIVAL OF SMALL EXPLOSIONS" and "FRI 21:00"; cream paper background, subtle paper texture, perfect grid, crisp legible text, no logos.
{
"model": "openai/gpt-image-2/text-to-image",
"input": {
"prompt": "Swiss-style typographic poster: enormous bold numerals \"3 2 1\" stacked in cobalt, tangerine and lilac, with the word \"POP!\" bursting out of a glossy pink bubblegum bubble at the bottom; small clean grotesk text \"A FESTIVAL OF SMALL EXPLOSIONS\" and \"FRI 21:00\"; cream paper background, subtle paper texture, perfect grid, crisp legible text, no logos.",
"aspect_ratio": "1:1",
"resolution": "1k",
"quality": "medium",
"num_outputs": 1,
"output_format": "png"
}
}응답, 폴링, 콜백
모든 모델은 같은 방식으로 동작합니다. 작업을 만들고, 폴링하거나 콜백을 기다리세요.
먼저 견적 받기
curl -X POST https://api.popnow.ai/api/v1/jobs/quote \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-image-2/text-to-image",
"input": {
"prompt": "A ceramic teapot on a linen cloth, soft window light, muted palette",
"aspect_ratio": "1:1",
"resolution": "1k",
"quality": "medium",
"num_outputs": 1,
"output_format": "png"
}
}'본문은 createTask와 같습니다. 예상 청구액과 최대 청구액을 돌려주며, 아무것도 실행하지 않습니다.
접수됨
HTTP/1.1 202 Accepted
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"state": "queued"
},
"request_id": "req_example_create"
}HTTP 202는 작업이 접수되었고 크레딧이 보류만 되었을 뿐 아직 차감되지 않았다는 뜻입니다. 최종 청구액은 보류액을 넘지 않습니다.
상태 확인
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"간격을 조금씩 늘리며 몇 초마다 확인하고, state가 succeeded, failed, canceled, expired 중 하나가 되면 멈추세요.
완료된 작업
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"model": "openai/gpt-image-2/text-to-image",
"state": "succeeded",
"output": {
"assets": [
{
"url": "https://cdn.popnow.ai/tasks/task_01k3m8x9q2z4v7n5p6r8s0t1w3/output.png?signature=FROM_RESPONSE",
"expiresAt": "2026-10-17T12:20:00Z",
"mime": "image/png",
"width": 1024,
"height": 1024
}
]
},
"settled": true
},
"request_id": "req_example_record"
}expiresAt 전에 url에서 내려받으세요. 나중에 새 링크가 필요하면 POST /common/download-url을 호출하세요.
콜백 검증하기
import { createHash, createHmac, timingSafeEqual } from "node:crypto";
import express from "express";
const app = express();
// express.raw keeps the exact bytes that were signed; express.json would not match.
app.post("/hooks/popnow", express.raw({ type: "application/json" }), (req, res) => {
const timestamp = req.header("X-Webhook-Timestamp");
const signature = req.header("X-Webhook-Signature") ?? "";
const body = JSON.parse(req.body.toString("utf8"));
const taskId = body.data?.taskId ?? body.task_id;
const digest = createHash("sha256").update(req.body).digest("hex");
const expected = createHmac("sha256", process.env.POPNOW_WEBHOOK_SECRET)
.update(`${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
});callBackUrl을 설정하면 완료된 작업을 보내 드립니다. 믿기 전에 원본 요청 본문으로 서명을 확인하세요.
로컬 파일 보내기
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.공개 https 링크는 그대로 쓸 수 있습니다. 로컬 파일은 먼저 upload-url과 commit을 거칩니다.