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Flux 3 Text To Video Draft

Integrate

Model id blackforestlabs/flux-3/text-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/text-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"
  }'

# 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"

This request: $1.20 1,200 API credits Run it on this page

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Black Forest Labs · Video

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Build a request below and run it with your API key. Outputs are copied to our storage, kept forever or 7 days for free.

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Controls are generated from the model schema. The code and the price update as you change them.

•required

Text description of the draft video.

duration auto

Draft length, specified as an integer from 5 to 20 seconds or as `auto`.

aspect_ratio default auto

Draft output's aspect ratio; `auto` delegates the choice to the model.

Advanced safety_tolerance
default 2

Video safety tolerance uses a scale whose most permissive setting is 4 and whose strictest setting is 0.

POST /run/blackforestlabs/flux-3/text-to-video/draft?wait=20 quote → $1.20
# 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/text-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"
  }'

# 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"

Run this request

Your key stays in this browser: it is sent only to the Doitong API and saved (localStorage) only if you tick Remember. Get an API key

About Flux 3 Text To Video Draft

Text-only entry in the Flux 3 draft set. Provide a `prompt`, pick `aspect_ratio` (auto or 21:9 to 9:16) and `duration` (auto or whole seconds), and choose whether `generate_audio` is on. `safety_tolerance` ranges from 0 to 4. A `draft_cache` is returned for a full-quality render.

Parameters

NameType DefaultAllowed Description
promptrequired
Typestring
Text description of the draft video.
aspect_ratiooptional
Typeenum
Defaultauto
auto21:92:116:94:31:13:49:16
Draft output's aspect ratio; `auto` delegates the choice to the model.
durationoptional
Typeenum
Defaultauto
auto5678910111213141516171819
+1 more20
Draft length, specified as an integer from 5 to 20 seconds or as `auto`.
generate_audiooptional
Typeboolean
Defaulttrue
Controls audio generation for the draft video.
safety_toleranceoptional
Typeinteger
Default2
0 – 4
Video safety tolerance uses a scale whose most permissive setting is 4 and whose strictest setting is 0.
required

Output

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "blackforestlabs/flux-3/text-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": 1200,
    "usd": "1.20",
    "charged": 1200,
    "refunded": 0
  },
  "input": {
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field"
  },
  "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"
  }
}
Your files, your choiceEvery outputs[].url is a copy on our storage: kept forever (paid per GB-month) or 7 days for free, by your account setting or ?storage=.
Same shape on every modeltype, url, content_type, width, height and duration, for images, video and audio alike. output is the model’s own result object.
Fields of output
video
object {url, content_type, file_name, file_size}Video produced as a draft.
draft_cache
object {url, content_type, file_name, file_size} | nullCache data for rendering a draft at full quality through `draft-enhance`, stored in a durable, encrypted bundle. This output is absent if the partner returned no bundle for the draft.

More models: Text to Video

For AI agents: this page as Markdown is at https://doitong.com/developers/models/blackforestlabs/flux-3/text-to-video/draft.md. All models and guides: https://doitong.com/developers/llms.txt