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SeedVR2 · Video

Integrate

Model id seedvr/upscale/video
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/seedvr/upscale/video?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://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Files like the example: $1.106 1,106 API credits your files are measured before the run Run it on this page

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ByteDance Upscale 4K output #upscale#video-to-video

Upscales video clips with temporal consistency, with choice of container, quality and write mode

ByteDance · Video

Your first result goes here

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

Build a request

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

•required video_url
Drop a file, or

Video supplied for processing.

upscale_mode default factor

Upscaling mode: `target` derives the scaling factor from the requested resolution, while `factor` applies the supplied scaling factor directly.

target_resolution default 1080p

Desired output resolution for upscaling with `upscale_mode` set to `target`.

default 2

Multiplier applied to the dimensions when `upscale_mode` is set to `factor`.

Advanced output_format · output_quality · output_write_mode · noise_scale · seed
output_format default X264 (.mp4)

Format for the resulting video.

output_quality default high

Quality setting for the resulting video.

output_write_mode default balanced

Mode used to write the resulting video.

default 0.1

Noise scale applied during generation.

Random seed used during generation.

POST /run/seedvr/upscale/video?wait=20 quote → $1.106
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/seedvr/upscale/video?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://api.doitong.com/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 SeedVR2 · Video

Video upscaler taking `video_url`. Scale by a factor from 1 to 10, or aim for a target of 720p, 1080p, 1440p or 2160p. Output can be X264 mp4, VP9 webm, ProRes 4444 mov or GIF. `output_quality` ranges from low to maximum, and `output_write_mode` can be fast, balanced or small.

Parameters

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

NameType DefaultAllowed Description
video_urlrequired video
Typeurl · video
Video supplied for processing.
upscale_modeoptional
Typeenum
Defaultfactor
targetfactor
Upscaling mode: `target` derives the scaling factor from the requested resolution, while `factor` applies the supplied scaling factor directly.
upscale_factoroptional
Typenumber
Default2
1 – 10
Multiplier applied to the dimensions when `upscale_mode` is set to `factor`.
target_resolutionoptional
Typeenum
Default1080p
720p1080p1440p2160p
Desired output resolution for upscaling with `upscale_mode` set to `target`.
seedoptional
Typeinteger | null
Random seed used during generation.
noise_scaleoptional
Typenumber
Default0.1
0 – 1
Noise scale applied during generation.
output_formatoptional
Typeenum
DefaultX264 (.mp4)
X264 (.mp4)VP9 (.webm)PRORES4444 (.mov)GIF (.gif)
Format for the resulting video.
output_qualityoptional
Typeenum
Defaulthigh
lowmediumhighmaximum
Quality setting for the resulting video.
output_write_modeoptional
Typeenum
Defaultbalanced
fastbalancedsmall
Mode used to write the resulting video.
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": "seedvr/upscale/video",
  "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": 1106,
    "usd": "1.106",
    "charged": 1106,
    "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
    },
    "seed": 42
  },
  "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://api.doitong.com/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://api.doitong.com/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 file produced by upscaling.
seed
integerRandom seed used during generation.

More models: Upscale

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