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Kling O1 Reference Image to Video [Pro]

Integrate

Model id kling-video/o1/reference-to-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/kling-video/o1/reference-to-video?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://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

This request: $0.56 560 API credits Run it on this page

Get API key

Made on Doitong

Public works made with Kling O1 by the Doitong community. Reuse a prompt in one click.

Public works shown: 16
Ultra-realistic cinematic video of a young adult woman walking naturally toward the camera while ... Video

Ultra-realistic cinematic video of a young adult woman walking naturally toward the camera while speaking, with realistic facial expressions and synchronized lip movements, as if she is promoting something to the viewer. She maintains eye contact with the camera, smiles slightly, and uses subtle...

Slow, subtle push-in on the woman's face. The light from the laptop flickers softly across her ey... Video

Slow, subtle push-in on the woman's face. The light from the laptop flickers softly across her eyes and cheeks, as if the blurry image on the screen is changing. Her eyes move slightly as she studies the screen, and she takes one slow, tense breath. Behind her, shadows of the snowstorm move...

The enormous ancient dragon descends slowly toward the snowy cliff and lands at the cave mouth. I... Video

The enormous ancient dragon descends slowly toward the snowy cliff and lands at the cave mouth. Its huge dark leathery wings beat twice with slow, heavy strokes, sending snow swirling off the cliff in big clouds. Then it folds its wings and settles on the rock, the giant elk still held in its...

**Duration: 5 seconds | Aspect ratio: 16:9 | Children's YouTube Intro | Video with Audio** Animat... Video

**Duration: 5 seconds | Aspect ratio: 16:9 | Children's YouTube Intro | Video with Audio** Animate the provided image into a bright, magical, energetic, professional YouTube intro for a children's entertainment channel, with perfectly synchronized sound effects, cheerful music, and a cute child's...

Authentic 1990s wide-angle film footage. The left man slowly pulls one wooden block from the Jeng... Video

Authentic 1990s wide-angle film footage. The left man slowly pulls one wooden block from the Jenga tower. As the block comes out, the tower naturally loses balance and realistically collapses onto the table. Frustrated, he angrily sweeps all the fallen wooden blocks off the table with both hands....

Thermal-camera view of a snowy mountain cliff at night in false-color, deep blue and violet cold ... Video

Thermal-camera view of a snowy mountain cliff at night in false-color, deep blue and violet cold rock, a huge orange-white heat shape hidden inside a rock crevice, two small bright amber spots glowing like eyes, faint noise grain. Cinematic videorealistic, ultra detailed, 16:9, volumetric light,...

**Duration: 4 seconds | Aspect ratio: 16:9 | Children's YouTube Intro | Video with Audio** Animat... Video

**Duration: 4 seconds | Aspect ratio: 16:9 | Children's YouTube Intro | Video with Audio** Animate the provided image into a bright, magical, energetic, professional YouTube intro for a children's entertainment channel, with perfectly synchronized sound effects, cheerful music, and a cute child's...

**Duration: 4 seconds | Aspect ratio: 16:9 | Children's YouTube Intro | Video with Audio** Animat... Video

**Duration: 4 seconds | Aspect ratio: 16:9 | Children's YouTube Intro | Video with Audio** Animate the provided image into a bright, magical, energetic, professional YouTube intro for a children's entertainment channel, with perfectly synchronized sound effects, cheerful music, and a cute child's...

Build a request

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

•required 88 / 2500

Ordered references use @Element1, @Element2, and so on for elements, and @Image1, @Image2, and so on for images.

duration 5 s

Video length measured in seconds.

aspect_ratio default 16:9

Width-to-height ratio for frames in the generated video.

Advanced images · enable_safety_checker · elements
image_urls
Drop a file, or

Extra images that guide style or appearance, addressed in the prompt using @Image1, @Image2, and so on. Elements, reference images, and the starting image together cannot exceed 7 entries. Each file is limited to 50 MB, with width and height each at least 300 px and an aspect ratio from 0.40 to 2.50.

Characters or objects to appear in the video, addressed in the prompt using @Element1, @Element2, and so on. Elements, reference images, and the starting image together cannot exceed 7 entries.

POST /run/kling-video/o1/reference-to-video?wait=20 quote → $0.56
# 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/kling-video/o1/reference-to-video?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://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 Kling O1 Reference Image to Video [Pro]

Generates a clip from a required `prompt` of up to 2500 characters. Refer to supplied `elements` as @Element1 and to `image_urls` as @Image1; at most 7 elements and reference images may be combined. Duration is 3 to 10 seconds (default 5) and aspect ratio is 16:9, 9:16 or 1:1.

Parameters

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

NameType DefaultAllowed Description
enable_safety_checkeroptional
Typeboolean
Defaulttrue
Safety checks can be disabled only with account authorization; requests without authorization always undergo checking.
promptrequired
Typestring
≤ 2,500 characters
Ordered references use @Element1, @Element2, and so on for elements, and @Image1, @Image2, and so on for images.
image_urlsoptional images
Typeurl[] · image
Extra images that guide style or appearance, addressed in the prompt using @Image1, @Image2, and so on. Elements, reference images, and the starting image together cannot exceed 7 entries. Each file is limited to 50 MB, with width and height each at least 300 px and an aspect ratio from 0.40 to 2.50.
elementsoptional
Typeobject[]
Characters or objects to appear in the video, addressed in the prompt using @Element1, @Element2, and so on. Elements, reference images, and the starting image together cannot exceed 7 entries.
elements[].frontal_image_urlrequired
Typeurl · image
Front-facing image providing the element's main view, limited to 50 MB. Width and height must each be at least 300 px, with an aspect ratio from 0.40 to 2.50. The timeout is 20 seconds.
elements[].reference_image_urlsoptional
Typeurl[] · image
Supply 1–3 additional reference images showing different angles. Each image must have an aspect ratio between 0.40 and 2.50, measure at least 300px in both dimensions, and be no larger than 50.0MB.
durationoptional
Typeenum
Default5
345678910
Video length measured in seconds.
aspect_ratiooptional
Typeenum
Default16:9
16:99:161:1
Width-to-height ratio for frames in the generated 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": "kling-video/o1/reference-to-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": 560,
    "usd": "0.56",
    "charged": 560,
    "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
    }
  },
  "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 produced by the model.

More models: Reference to Video

For AI agents: this page as Markdown is at https://doitong.com/developers/models/kling-video/o1/reference-to-video.md. All models and guides: https://doitong.com/developers/llms.txt