Seedream 5.0 Flash
doubao/seedream-v5.0-flash/text-to-image
doubao/seedream-v5.0-flash/text-to-image. 瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。
相關模型
完整參數參考、輸出結構與即時價格
| AI 模型 API 市集 | 一個平台,全部完成 | 最受歡迎 | 服務條款 | 瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。 |
|---|---|---|---|---|
| prompt *Prompt | textarea | — | ≤ 5000 chars | |
| output_formatOutput Format | select | jpeg | jpeg | png | |
| sizeSize | text | 2048x2048 | — |
完整參數參考、輸出結構與即時價格
| 深入了解 | 一個平台,全部完成 | 瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。 |
|---|---|---|
| images | array<string> |
API
瀏覽圖像、影片與換臉模型 API。先試用任一模型,再透過統一 REST API 整合。
cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/doubao/seedream-v5.0-flash/text-to-image" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"input": {
"prompt": "A cinematic futuristic city street at dusk after light rain, neon signs in English and Japanese reflecting on wet pavement, a stylish young woman in a transparent umbrella walking past a ramen shop, soft volumetric fog, detailed storefronts, realistic lighting, ultra-detailed, vibrant colors, natural skin tones, sharp focus",
"output_format": "jpeg",
"size": "2048x2048"
}
}'
# 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/doubao/seedream-v5.0-flash/text-to-image",
headers=HEADERS,
json={
"input": {
"prompt": "A cinematic futuristic city street at dusk after light rain, neon signs in English and Japanese reflecting on wet pavement, a stylish young woman in a transparent umbrella walking past a ramen shop, soft volumetric fog, detailed storefronts, realistic lighting, ultra-detailed, vibrant colors, natural skin tones, sharp focus",
"output_format": "jpeg",
"size": "2048x2048"
}
},
)
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 300s server-side.
deadline = time.time() + 360
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/doubao/seedream-v5.0-flash/text-to-image", {
method: "POST",
headers: { ...HEADERS, "Content-Type": "application/json" },
body: JSON.stringify({
"input": {
"prompt": "A cinematic futuristic city street at dusk after light rain, neon signs in English and Japanese reflecting on wet pavement, a stylish young woman in a transparent umbrella walking past a ramen shop, soft volumetric fog, detailed storefronts, realistic lighting, ultra-detailed, vibrant colors, natural skin tones, sharp focus",
"output_format": "jpeg",
"size": "2048x2048"
}
}),
});
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 300s server-side.
const deadline = Date.now() + 360 * 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);API 文件
Seedream 5.0 Flash
doubao/seedream-v5.0-flash/text-to-image
Generate one image from a text prompt. $0.018 per image at all supported sizes; reference inputs are free.
Pricing
BytePlus official list price: $0.018 per output image = 1.8 credits per output image. Input images are free. All supported sizes have the same unit price. USD 1 = 100 credits. Account discounts, if any, apply separately.
Each request generates one image and costs 1.8 credits ($0.018) before account discounts. Reference image count does not add a fee. Failed tasks are refunded.
Parameters
| Parameter | Required | Default / limits |
|---|---|---|
prompt | Yes | 5000 characters |
output_format | No | jpeg; jpeg, png |
size | No | 2048x2048 |
Use size for image dimensions. For generation/editing, explicit widthxheight values are supported: 921,600–4,624,220 total pixels, aspect ratio from 1:16 to 16:1. Examples: 1024x1024, 1536x1536, 2048x2048, 2048x1024. Both limits must hold. 512x512 and 4K are outside the supported range. This MaaS contract exposes size; do not send separate resolution or aspect_ratio fields.
Example
curl -X POST 'https://www.namifusion.com/api/v1/marketplace/run/doubao/seedream-v5.0-flash/text-to-image' \
-H "Authorization: Bearer $API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"input": {
"prompt": "A cinematic futuristic city street at dusk after light rain, neon signs in English and Japanese reflecting on wet pavement, a stylish young woman in a transparent umbrella walking past a ramen shop, soft volumetric fog, detailed storefronts, realistic lighting, ultra-detailed, vibrant colors, natural skin tones, sharp focus",
"output_format": "jpeg",
"size": "2048x2048"
}
}'
curl 'https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID' \
-H "Authorization: Bearer $API_KEY"
Response
Submission returns task_uuid and status. Poll with the same API key until completed or failed. Successful image URLs are in output.images; cost_credits is in credits and may reflect the precharge until settlement finishes. Use your own accessible input image URL for editing or decomposition. The example URL below is from the MaaS public model example.
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