FLUX.3 Klein Image Editing
集成
模型 id
blackforestlabs/flux-3/klein/edit-image
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://vit.doitong.com/api/v1/run/blackforestlabs/flux-3/klein/edit-image?wait=20" \
-H "Authorization: Bearer $DOITONG_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"images": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
]
}'
# Still "queued" or "running"? Poll with the id from the response:
curl "https://vit.doitong.com/api/v1/requests/REQUEST_ID?wait=20" \
-H "Authorization: Bearer $DOITONG_API_KEY"
const API = "https://vit.doitong.com/api/v1";
const headers = {
"Authorization": "Bearer " + process.env.DOITONG_API_KEY,
"Content-Type": "application/json",
};
// Run the model; wait up to 20 s for the finished result in the same call
let res = await fetch(API + "/run/blackforestlabs/flux-3/klein/edit-image?wait=20", {
method: "POST",
headers,
body: JSON.stringify({
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"images": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
]
}),
});
let request = await res.json();
if (!res.ok) throw new Error(request.error.code + ": " + request.error.message);
// Not finished yet: long-poll until it is
while (request.status === "queued" || request.status === "running") {
res = await fetch(API + "/requests/" + request.id + "?wait=20", { headers });
request = await res.json();
}
if (request.status !== "succeeded") throw new Error(JSON.stringify(request.error));
console.log(request.outputs.map((o) => o.url), request.cost.credits + " API credits ($" + request.cost.usd + ")");
import os
import requests
API = "https://vit.doitong.com/api/v1"
headers = {"Authorization": "Bearer " + os.environ["DOITONG_API_KEY"]}
payload = {
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"images": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
],
}
# Run the model; wait up to 20 s for the finished result in the same call
r = requests.post(API + "/run/blackforestlabs/flux-3/klein/edit-image", params={"wait": 20}, json=payload, headers=headers)
request = r.json()
if not r.ok:
raise RuntimeError(request["error"]["code"] + ": " + request["error"]["message"])
# Not finished yet: long-poll until it is
while request["status"] in ("queued", "running"):
request = requests.get(API + "/requests/" + request["id"], params={"wait": 20}, headers=headers).json()
if request["status"] != "succeeded":
raise RuntimeError(request["error"])
print([o["url"] for o in request["outputs"]], request["cost"]["credits"], "API credits", "$" + request["cost"]["usd"])
# 1. Connect once (Claude Code; Cursor, VS Code, Claude Desktop: https://doitong.com/zh/developers/docs/mcp)
claude mcp add --transport http doitong-models https://vit.doitong.com/api/v1/mcp \
--header "Authorization: Bearer $DOITONG_API_KEY"
# 2. Your agent calls the "run" tool with:
{
"model_id": "blackforestlabs/flux-3/klein/edit-image",
"input": {
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"images": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
]
}
}
通过 Doitong API 调用 FLUX.3 Klein Image Editing 模型(blackforestlabs/flux-3/klein/edit-image)。智能体文档:https://doitong.com/zh/developers/models/blackforestlabs/flux-3/klein/edit-image.md
POST https://vit.doitong.com/api/v1/run/blackforestlabs/flux-3/klein/edit-image?wait=20
Authorization: Bearer $DOITONG_API_KEY
Content-Type: application/json
{
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"images": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
]
}
如果响应状态为 "queued" 或 "running",请轮询 GET https://vit.doitong.com/api/v1/requests/REQUEST_ID?wait=20,直到状态变为 "succeeded";文件位于 outputs[].url。使用相同请求体 POST https://vit.doitong.com/api/v1/quote/blackforestlabs/flux-3/klein/edit-image,可在运行前返回确切价格。
与示例类似的文件: $0.009 9 API 积分 运行前会测量你的文件 在此页面运行
你的新 API 密钥。 它仅在此时显示,并且已填入下方的代码和 API 密钥字段中。请妥善保密:切勿将其放入在浏览器中运行的代码。
构建请求
控件根据模型架构生成。更改控件时,代码和价格会同步更新。
POST
/run/blackforestlabs/flux-3/klein/edit-image?wait=20
报价 → $0.009
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://vit.doitong.com/api/v1/run/blackforestlabs/flux-3/klein/edit-image?wait=20" \
-H "Authorization: Bearer $DOITONG_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"images": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
]
}'
# Still "queued" or "running"? Poll with the id from the response:
curl "https://vit.doitong.com/api/v1/requests/REQUEST_ID?wait=20" \
-H "Authorization: Bearer $DOITONG_API_KEY"
const API = "https://vit.doitong.com/api/v1";
const headers = {
"Authorization": "Bearer " + process.env.DOITONG_API_KEY,
"Content-Type": "application/json",
};
// Run the model; wait up to 20 s for the finished result in the same call
let res = await fetch(API + "/run/blackforestlabs/flux-3/klein/edit-image?wait=20", {
method: "POST",
headers,
body: JSON.stringify({
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"images": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
]
}),
});
let request = await res.json();
if (!res.ok) throw new Error(request.error.code + ": " + request.error.message);
// Not finished yet: long-poll until it is
while (request.status === "queued" || request.status === "running") {
res = await fetch(API + "/requests/" + request.id + "?wait=20", { headers });
request = await res.json();
}
if (request.status !== "succeeded") throw new Error(JSON.stringify(request.error));
console.log(request.outputs.map((o) => o.url), request.cost.credits + " API credits ($" + request.cost.usd + ")");
import os
import requests
API = "https://vit.doitong.com/api/v1"
headers = {"Authorization": "Bearer " + os.environ["DOITONG_API_KEY"]}
payload = {
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"images": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
],
}
# Run the model; wait up to 20 s for the finished result in the same call
r = requests.post(API + "/run/blackforestlabs/flux-3/klein/edit-image", params={"wait": 20}, json=payload, headers=headers)
request = r.json()
if not r.ok:
raise RuntimeError(request["error"]["code"] + ": " + request["error"]["message"])
# Not finished yet: long-poll until it is
while request["status"] in ("queued", "running"):
request = requests.get(API + "/requests/" + request["id"], params={"wait": 20}, headers=headers).json()
if request["status"] != "succeeded":
raise RuntimeError(request["error"])
print([o["url"] for o in request["outputs"]], request["cost"]["credits"], "API credits", "$" + request["cost"]["usd"])
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "run",
"arguments": {
"model_id": "blackforestlabs/flux-3/klein/edit-image",
"input": {
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"images": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
]
},
"wait_seconds": 20
}
}
}
关于 FLUX.3 Klein Image Editing
根据提示词和 `image_urls` 中的 1 到 10 张参考图编辑或合成图像,提示词可按顺序引用参考图,例如第一张图。最多 32 个 `bounding_boxes` 可用于保留、移动、调整大小、移除或添加对象,提示词通过标签命名对象。默认开启提示词扩展。返回 1 到 4 张 jpeg、png 或 webp 图像。
参数
发送规范名称或原生名称之一,不要同时发送两者。 规范名称
名称类型
默认值允许值
描述
prompt必填
类型string
完整撰写编辑后所需图像的说明文字,并按顺序标识参考对象,例如第一张或第二张图像。
enable_prompt_expansion可选
类型boolean
默认值true
生成前将提示词扩展为详细说明文字,值为 true 时启用。编辑时,说明文字基于参考图像生成。
seed可选
类型integer | null
用于生成可复现图像的种子:模型版本不变时,相同的提示词和种子会生成相同图像。
num_images可选
num_outputs
类型integer
默认值1
1 – 4
请求生成的图像数量。
enable_safety_checker可选
类型boolean
默认值true
安全检查器激活状态;true 启用检查。
output_format可选
类型enum
默认值png
jpegpngwebp
结果图像的文件格式。
image_urls必填
images
类型url[] · image
≤ 10 个项目
用于编辑或合成的参考图像,最多 10 张。
image_size可选
类型object
square_hdsquareportrait_4_3portrait_16_9landscape_4_3landscape_16_9
输出尺寸默认采用第一张参考图像的尺寸;多个参考图像时上限为 1 百万像素,单个参考图像时缩放至最多 4 百万像素。明确指定的尺寸每边必须介于 256 和 4096 像素之间。
bounding_boxes可选
类型object[]
≤ 32 个项目
可选对象布局,用于保留、移动、调整大小或移除参考对象,或放置新对象。坐标从每张图像左上角的 (0, 0) 开始;使用提示词中的标签引用框,例如 `<dragon>`。
bounding_boxes[].label可选
类型string | null
≤ 64 characters
框的简短对象标签,例如 `dragon`;默认值为 `obj_<n>`。在提示词中加入 `<dragon>`,将相关文字与该框关联;提示词中未提及的框会添加到场景中。
bounding_boxes[].description必填
类型string
≤ 500 characters
要在框内渲染的对象,包括其外观。
bounding_boxes[].box可选
类型object
对象的输出位置,替换 `source_box`/`target_box`,并使用与文生图相同的位置行为。
bounding_boxes[].box.x_min必填
类型number
0 – 1
相对于图像宽度表示的左边界,范围为 0 到 1。
bounding_boxes[].box.y_min必填
类型number
0 – 1
相对于图像高度表示的上边界,范围为 0 到 1。
bounding_boxes[].box.x_max必填
类型number
0 – 1
相对于图像宽度表示的右边界,范围为 0 到 1。
bounding_boxes[].box.y_max必填
类型number
0 – 1
相对于图像高度表示的下边界,范围为 0 到 1。
bounding_boxes[].source_image_index可选
类型integer | null
≥ 0
对象源选择:省略表示新对象,或通过其在 `image_urls` 中的索引标识现有参考对象,索引从 0 开始。
bounding_boxes[].source_box可选
类型object
对象在参考图像中的位置;还必须提供 `source_image_index`。
bounding_boxes[].source_box.x_min必填
类型number
0 – 1
相对于图像宽度表示的左边界,范围为 0 到 1。
bounding_boxes[].source_box.y_min必填
类型number
0 – 1
相对于图像高度表示的上边界,范围为 0 到 1。
bounding_boxes[].source_box.x_max必填
类型number
0 – 1
相对于图像宽度表示的右边界,范围为 0 到 1。
bounding_boxes[].source_box.y_max必填
类型number
0 – 1
相对于图像高度表示的下边界,范围为 0 到 1。
bounding_boxes[].target_box可选
类型object
对象的输出位置框:移动或调整大小需要同时提供两个框;移除参考对象时必须不设置此框。
bounding_boxes[].target_box.x_min必填
类型number
0 – 1
相对于图像宽度表示的左边界,范围为 0 到 1。
bounding_boxes[].target_box.y_min必填
类型number
0 – 1
相对于图像高度表示的上边界,范围为 0 到 1。
bounding_boxes[].target_box.x_max必填
类型number
0 – 1
相对于图像宽度表示的右边界,范围为 0 到 1。
bounding_boxes[].target_box.y_max必填
类型number
0 – 1
相对于图像高度表示的下边界,范围为 0 到 1。
必填
规范名称,也可接受
文件参数接受公开的 https:// URL、最大 10 MB 的 data: URI,或上传文件的 file_url。 文件
输出
GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
"id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
"object": "request",
"model": "blackforestlabs/flux-3/klein/edit-image",
"status": "succeeded",
"created_at": "2026-10-20T12:00:00Z",
"started_at": "2026-10-20T12:00:02Z",
"completed_at": "2026-10-20T12:00:09Z",
"queue_position": null,
"cost": {
"credits": 9,
"usd": "0.009",
"charged": 9,
"refunded": 0
},
"input": {
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"image_urls": [
"https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
]
},
"output": {
"images": [
{
"url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.jpeg",
"content_type": "image/jpeg",
"file_name": "0-output.jpeg",
"file_size": 1843200,
"width": 1024,
"height": 768
}
],
"timings": {},
"seed": 42,
"has_nsfw_concepts": [
false
],
"prompt": "string"
},
"outputs": [
{
"type": "image",
"url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.jpeg",
"content_type": "image/jpeg",
"file_size": 1843200,
"width": 1024,
"height": 768,
"stored": true
}
],
"error": null,
"metrics": {
"inference_seconds": 6.8
},
"urls": {
"self": "https://vit.doitong.com/api/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
"cancel": "https://vit.doitong.com/api/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
}
}
你的文件,由你选择每个 outputs[].url 都是存储中的副本:可永久保存(按 GB-月付费),也可免费保存 7 天,由账户设置或 ?storage= 决定。
每个模型的结构相同图像、视频和音频均包含 type、url、content_type、width、height 和 duration。output 是模型自身的结果对象。
输出字段
- images
- array of object {url, content_type, file_name, file_size, width, height}模型生成的图像。
- timings
- object生成过程的计时信息。
- seed
- integer第一张图像的生成种子。
- has_nsfw_concepts
- array of boolean指示生成的图像中是否出现 NSFW 概念。
- prompt
- string图像生成期间使用的提示词。
其他 FLUX.3 Klein 变体
更多模型:图像编辑
对于 AI 代理:此页面的 Markdown 版本位于 https://doitong.com/zh/developers/models/blackforestlabs/flux-3/klein/edit-image.md. 所有模型和指南: https://doitong.com/developers/llms.txt






