Flux 3 Keyframes To Video Draft
整合
模型 id
blackforestlabs/flux-3/keyframes-to-video/draft
# 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/keyframes-to-video/draft?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",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0
}
]
}'
# 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 $DOITONG_API_KEY"
const API = "https://vit.doitong.com/api/v1";
const headers = {
"Authorization": "Bearer " + process.env.DOITONG_API_KEY,
"Content-Type": "application/json",
};
// Run the model; wait up to 20 s for the finished result in the same call
let res = await fetch(API + "/run/blackforestlabs/flux-3/keyframes-to-video/draft?wait=20", {
method: "POST",
headers,
body: JSON.stringify({
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0
}
]
}),
});
let request = await res.json();
if (!res.ok) throw new Error(request.error.code + ": " + request.error.message);
// Not finished yet: long-poll until it is
while (request.status === "queued" || request.status === "running") {
res = await fetch(API + "/requests/" + request.id + "?wait=20", { headers });
request = await res.json();
}
if (request.status !== "succeeded") throw new Error(JSON.stringify(request.error));
console.log(request.outputs.map((o) => o.url), request.cost.credits + " API credits ($" + 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",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0,
},
],
}
# Run the model; wait up to 20 s for the finished result in the same call
r = requests.post(API + "/run/blackforestlabs/flux-3/keyframes-to-video/draft", 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-TW/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/keyframes-to-video/draft",
"input": {
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0
}
]
}
}
透過 Doitong API 呼叫 Flux 3 Keyframes To Video Draft 模型(blackforestlabs/flux-3/keyframes-to-video/draft)。代理程式文件:https://doitong.com/zh-TW/developers/models/blackforestlabs/flux-3/keyframes-to-video/draft.md
POST https://vit.doitong.com/api/v1/run/blackforestlabs/flux-3/keyframes-to-video/draft?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",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0
}
]
}
如果回應狀態為 "queued" 或 "running",請輪詢 GET https://vit.doitong.com/api/v1/requests/REQUEST_ID?wait=20,直到狀態變為 "succeeded";檔案位於 outputs[].url。使用相同主體傳送 POST https://vit.doitong.com/api/v1/quote/blackforestlabs/flux-3/keyframes-to-video/draft,可在執行前取得確切價格。
此請求: $0.30 300 API 點數 在此頁面執行
您的新 API 金鑰。 僅會在此時顯示,且已填入下方的程式碼與 API 金鑰欄位。請妥善保密:切勿將其放入在瀏覽器中執行的程式碼。
建立請求
控制項是根據模型結構描述生成的。變更設定時,程式碼和價格會同步更新。
POST
/run/blackforestlabs/flux-3/keyframes-to-video/draft?wait=20
報價 → $0.30
# 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/keyframes-to-video/draft?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",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0
}
]
}'
# 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 $DOITONG_API_KEY"
const API = "https://vit.doitong.com/api/v1";
const headers = {
"Authorization": "Bearer " + process.env.DOITONG_API_KEY,
"Content-Type": "application/json",
};
// Run the model; wait up to 20 s for the finished result in the same call
let res = await fetch(API + "/run/blackforestlabs/flux-3/keyframes-to-video/draft?wait=20", {
method: "POST",
headers,
body: JSON.stringify({
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0
}
]
}),
});
let request = await res.json();
if (!res.ok) throw new Error(request.error.code + ": " + request.error.message);
// Not finished yet: long-poll until it is
while (request.status === "queued" || request.status === "running") {
res = await fetch(API + "/requests/" + request.id + "?wait=20", { headers });
request = await res.json();
}
if (request.status !== "succeeded") throw new Error(JSON.stringify(request.error));
console.log(request.outputs.map((o) => o.url), request.cost.credits + " API credits ($" + 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",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0,
},
],
}
# Run the model; wait up to 20 s for the finished result in the same call
r = requests.post(API + "/run/blackforestlabs/flux-3/keyframes-to-video/draft", 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/keyframes-to-video/draft",
"input": {
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0
}
]
},
"wait_seconds": 20
}
}
}
關於 Flux 3 Keyframes To Video Draft
提供 `prompt` 和 1 到 10 個 `keyframes`,每個都具有唯一的 `frame_index`。必須明確指定 5 到 20 秒的 `duration`,以便驗證關鍵幀位置。`aspect_ratio` 可為 auto 或介於 21:9 到 9:16,`generate_audio` 可切換音效。輸出包含可供完整品質算繪使用的 `draft_cache`。
參數
名稱類型
預設值允許值
說明
prompt必填
類型string
草稿影片的文字描述。
aspect_ratio選填
類型enum
預設值auto
auto21:92:116:94:31:13:49:16
草稿輸出的長寬比;`auto` 將選擇交由模型決定。
duration選填
類型enum
預設值5
567891011121314151617181920
用於驗證關鍵影格位置的草稿長度;必須指定 5 到 20 之間的整數秒數。
generate_audio選填
類型boolean
預設值true
控制草稿影片的音訊生成。
safety_tolerance選填
類型integer
預設值2
0 – 4
影片安全容忍度使用量表,最寬鬆設定為 4,最嚴格設定為 0。
keyframes必填
類型object[]
≤ 10 個項目
最多 10 張圖像的集合,每張都指定不同的 `frame_index`,以固定其在生成草稿中的位置。
keyframes[].image_url必填
類型url · image
關鍵影格圖像 URL;接受 PNG、JPEG 或 WebP。
keyframes[].frame_index必填
類型integer
≥ 0
關鍵影格放置會為每個關鍵影格使用不同的影格索引,上限為 `duration * 24`;輸出以 24 fps 執行。
必填
輸出
GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
"id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
"object": "request",
"model": "blackforestlabs/flux-3/keyframes-to-video/draft",
"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": 300,
"usd": "0.30",
"charged": 300,
"refunded": 0
},
"input": {
"prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
"keyframes": [
{
"image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg",
"frame_index": 0
}
]
},
"output": {
"video": {
"url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
"content_type": "video/mp4",
"file_name": "0-output.mp4",
"file_size": 1843200
},
"draft_cache": {
"url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
"content_type": "video/mp4",
"file_name": "0-output.mp4",
"file_size": 1843200
}
},
"outputs": [
{
"type": "video",
"url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
"content_type": "video/mp4",
"file_size": 1843200,
"width": 1280,
"height": 720,
"duration": 5,
"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"
}
}
您的檔案,由您選擇每個 outputs[].url 都是儲存空間中的副本:可永久保留(按 GB-月計費),或免費保留 7 天;可透過帳戶設定或 ?storage= 設定。
所有模型使用相同結構圖片、影片和音訊皆包含 type、url、content_type、width、height 和 duration。output 是模型自己的結果物件。
輸出欄位
- video
- object {url, content_type, file_name, file_size}以草稿形式產生的影片。
- draft_cache
- object {url, content_type, file_name, file_size} | null透過 `draft-enhance` 以完整品質渲染草稿的快取資料,儲存在持久化的加密套件中。若合作夥伴未為草稿回傳套件,則不會提供此輸出。
其他 Flux 3 變體
更多模型:圖像轉影片
給 AI 代理程式:此頁面的 Markdown 位於 https://doitong.com/zh-TW/developers/models/blackforestlabs/flux-3/keyframes-to-video/draft.md. 所有模型與指南: https://doitong.com/developers/llms.txt