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Flux Video Upscale

Integrate

Model id blackforestlabs/flux-video-upscale
# 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-video-upscale?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4"
  }'

# 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"

Files like the example: $2.10 2,100 API credits your files are measured before the run 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.

Optional text that directs creative enhancement of details.

•required video_url
Drop a file, or

Supply an upscaling source by URL: it must be an MP4 file no larger than 50 MB, with a duration no longer than 20 seconds.

creativity default 1

Upscaling mode: 0 preserves source fidelity, while 1 creatively enhances details.

default 2

Scaling multiplier for the output, retaining the source's aspect ratio.

Advanced safety_tolerance
default 2

Moderation sensitivity; smaller values enforce stricter checks.

POST /run/blackforestlabs/flux-video-upscale?wait=20 quote → $2.10
# 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-video-upscale?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4"
  }'

# 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 Video Upscale

Takes an MP4 at `video_url` (at most 20 seconds and 50 MB) and enlarges it by `upscale_factor`, from 1.5 to 3, keeping the source aspect ratio. Set `creativity` to 0 for a source-faithful result or 1 to add new detail, optionally steered by a `prompt`.

Parameters

Send either the canonical name or the native name, not both. Canonical names

NameType DefaultAllowed Description
video_urlrequired video
Typeurl · video
Supply an upscaling source by URL: it must be an MP4 file no larger than 50 MB, with a duration no longer than 20 seconds.
upscale_factoroptional
Typenumber
Default2
1.5 – 3
Scaling multiplier for the output, retaining the source's aspect ratio.
creativityoptional
Typeenum
Default1
01
Upscaling mode: 0 preserves source fidelity, while 1 creatively enhances details.
promptoptional
Typestring | null
Optional text that directs creative enhancement of details.
safety_toleranceoptional
Typeinteger
Default2
0 – 4
Moderation sensitivity; smaller values enforce stricter checks.
required Canonical name, also accepted

File parameters take a public https:// URL, a data: URI up to 10 MB, or the file_url of an upload. Files

Output

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "blackforestlabs/flux-video-upscale",
  "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": 2100,
    "usd": "2.10",
    "charged": 2100,
    "refunded": 0
  },
  "input": {
    "video_url": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4"
  },
  "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
    }
  },
  "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}Upscaled video in MP4 format.

More models: Upscale

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