Seedance 2.0 Mini Image-to-Video API

seedance-2.0-mini/image-to-video

Seedance 2.0 Mini Image-to-Video API turns one required start-frame image and one optional end-frame image into a 4–15 second video at 480p or 720p. Place the start frame first and the end frame second in image_urls; aspect_ratio accepts only auto.

Input

Prompt

0/20000

Start frame

Required

Drag and drop files, paste from clipboard, or provide a URL.

End frame

Optional

Drag and drop files, paste from clipboard, or provide a URL.

Resolution

Duration

Aspect ratio

Generate audio

Ask the model to generate an audio track with the video.

Advanced

Return last frame

Keep the video result and request the final frame as an additional file.

Web search

Send the optional web_search Boolean field.

Seed

Output

Idle

Your generated files will appear here

Set the inputs, choose a duration, then run the asynchronous video task.

Continue with

Seedance 2.0 Mini Text-to-Video Seedance 2.0 Mini Reference-to-Video

Examples

Begin exactly from Image 1 and finish on Image 2. In one continuous four-second shot, the same beige vintage compact car switches on its lights, rolls from the wet shoulder into the near lane, and drives away along the forest-road curve. Use one stable, gentle pan only. Preserve the exact car body, beige paint, wheels, forest, road geometry, camera height, mist, and dawn lighting. Keep the movement physically plausible, with restrained tire spray and stable reflections, and settle cleanly into the final composition without morphing. Synchronized audio: one quiet engine start, tires on wet asphalt, light rain, and distant forest ambience. No cuts, no people, no extra vehicles, no readable text, no logos, no products, no advertising, no watermark.

REST API

Quick Start

Authenticate, submit one public start-frame URL, then retrieve the asynchronous video result.

Connect to the Vidgo API

Store VIDGO_API_KEY on your server and send it as a Bearer token.

Endpoint: POSThttps://api.vidgo.ai/api/generate/submit
Authentication: Authorization: Bearer VIDGO_API_KEY

Submit one generation task

Send a prompt, duration, and one image_urls item in the smallest useful request.

Submit request

curl --request POST \
  --url "https://api.vidgo.ai/api/generate/submit" \
  --header "Authorization: Bearer $VIDGO_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "seedance-2.0-mini/image-to-video",
  "input": {
    "prompt": "Begin exactly from Image 1 and finish on Image 2. In one continuous four-second shot, the same beige vintage compact car switches on its lights, rolls from the wet shoulder into the near lane, and drives away along the forest-road curve. Use one stable, gentle pan only. Preserve the exact car body, beige paint, wheels, forest, road geometry, camera height, mist, and dawn lighting. Keep the movement physically plausible, with restrained tire spray and stable reflections, and settle cleanly into the final composition without morphing. Synchronized audio: one quiet engine start, tires on wet asphalt, light rain, and distant forest ambience. No cuts, no people, no extra vehicles, no readable text, no logos, no products, no advertising, no watermark.",
    "duration": 4,
    "resolution": "720p",
    "aspect_ratio": "auto",
    "image_urls": [
      "https://cdn.vidgo.ai/apis/models/bytedance/seedance-2.0-mini/image-to-video/v1/input-start-frame.png",
      "https://cdn.vidgo.ai/apis/models/bytedance/seedance-2.0-mini/image-to-video/v1/input-end-frame.png"
    ],
    "generate_audio": true,
    "seed": 24082402
  }
}'

Wait for the result

Poll only non-terminal states or provide callback_url for a flat terminal callback body.

Track status

GET https://api.vidgo.ai/api/generate/status/ZC7XZS2EAVXDCRBQ

Poll every 2–5 seconds initially, back off for long tasks, and stop on finished or failed. Separate network timeouts from failed task results; callback_url remains an alternative.

not_startedrunningfinishedfailed

Submit response

{
  "code": 200,
  "data": {
    "task_id": "ZC7XZS2EAVXDCRBQ",
    "status": "running",
    "created_time": "2026-08-24T08:56:39"
  }
}

Finished response

{
  "code": 200,
  "data": {
    "task_id": "ZC7XZS2EAVXDCRBQ",
    "status": "finished",
    "created_time": "2026-08-24T08:56:39",
    "progress": 100,
    "error_message": null,
    "files": [
      {
        "file_type": "video",
        "file_url": "https://cdn.vidgo.ai/apis/models/bytedance/seedance-2.0-mini/image-to-video/v1/output.mp4"
      }
    ]
  }
}

Complete runnable example

The expanded script handles submission, polling, failure, timeout, and result extraction.

Complete runnable example

set -euo pipefail
: "${VIDGO_API_KEY:?Set VIDGO_API_KEY in your environment}"

REQUEST_BODY=$(cat <<'JSON'
{
  "model": "seedance-2.0-mini/image-to-video",
  "input": {
    "prompt": "Begin exactly from Image 1 and finish on Image 2. In one continuous four-second shot, the same beige vintage compact car switches on its lights, rolls from the wet shoulder into the near lane, and drives away along the forest-road curve. Use one stable, gentle pan only. Preserve the exact car body, beige paint, wheels, forest, road geometry, camera height, mist, and dawn lighting. Keep the movement physically plausible, with restrained tire spray and stable reflections, and settle cleanly into the final composition without morphing. Synchronized audio: one quiet engine start, tires on wet asphalt, light rain, and distant forest ambience. No cuts, no people, no extra vehicles, no readable text, no logos, no products, no advertising, no watermark.",
    "duration": 4,
    "resolution": "720p",
    "aspect_ratio": "auto",
    "image_urls": [
      "https://cdn.vidgo.ai/apis/models/bytedance/seedance-2.0-mini/image-to-video/v1/input-start-frame.png",
      "https://cdn.vidgo.ai/apis/models/bytedance/seedance-2.0-mini/image-to-video/v1/input-end-frame.png"
    ],
    "generate_audio": true,
    "seed": 24082402
  }
}
JSON
)

SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
  --request POST \
  --url "https://api.vidgo.ai/api/generate/submit" \
  --header "Authorization: Bearer $VIDGO_API_KEY" \
  --header "Content-Type: application/json" \
  --data "$REQUEST_BODY")

TASK_ID=$(printf '%s' "$SUBMIT_RESPONSE" | jq -r '.data.task_id // .task_id // empty')
if [ -z "$TASK_ID" ]; then
  printf 'Submit response did not include task_id:
%s
' "$SUBMIT_RESPONSE" >&2
  exit 1
fi

while true; do
  STATUS_RESPONSE=$(curl --silent --show-error --fail-with-body \
    --url "https://api.vidgo.ai/api/generate/status/ZC7XZS2EAVXDCRBQ" \
    --header "Authorization: Bearer $VIDGO_API_KEY")
  STATUS=$(printf '%s' "$STATUS_RESPONSE" | jq -r '.data.status // .status // empty')

  case "$STATUS" in
    finished)
      printf '%s' "$STATUS_RESPONSE" | jq -r '(.data.files // .files // [])[]?.file_url'
      break
      ;;
    failed)
      printf '%s' "$STATUS_RESPONSE" | jq -r '.data.error_message // .error_message // "Generation failed"' >&2
      exit 1
      ;;
    not_started|running)
      sleep 2
      ;;
    *)
      printf 'Unexpected task status: %s
' "$STATUS" >&2
      exit 1
      ;;
  esac
done

Request Parameters

Send model and callback_url at the top level. input accepts only the listed common fields and ordered image_urls.

Field	Type	Required	Default	Description
model	string	Yes	—	Must be seedance-2.0-mini/image-to-video.
callback_url	string (URL)	No	—	Public terminal callback endpoint.
input	object	Yes	—	Model-specific input object.
input.prompt	string	Yes	—	Trimmed length 1–20,000.
input.image_urls	string[]	Yes	—	One Start URL and optional second End URL, in order.
input.duration	integer	Yes	—	Inclusive 4–15.
input.resolution	string	No	720p	480p or 720p.
input.aspect_ratio	string	No	—	Omit or send auto only.
input.generate_audio	boolean	No	—	Optional generated audio.
input.return_last_frame	boolean	No	—	Optional final-frame result.
input.web_search	boolean	No	—	Optional Boolean field.
input.seed	integer	No	—	Optional integer with no published range.

Response Fields

Submission returns task identity; status returns progress, every output file, or a terminal error.

Field	Type	Description
code	integer	Business code; success uses 0 or 200.
message	string	Response message when present.
data.task_id	string	Status-query identifier.
data.status	string	not_started, running, finished, or failed.
data.created_time	string	Creation timestamp.
data.progress	integer	Reported progress.
data.files[]	array	All successful files.
data.files[].file_url	string	Direct result URL.
data.files[].file_type	string	video, image, or another returned type.
data.files[].watermark_url	string \| null	Watermarked URL when available.
data.error_message	string \| null	Failure detail.

Task Lifecycle

Only non-terminal states are polled.

not_started
Accepted and queued.
running
Generating; continue polling.
finished
Successful terminal state; read all files.
failed
Failed terminal state; stop and read the error.

Polling and Errors

Authentication401 means the Bearer key is missing or invalid.
Validation400 means a field, frame count, or ratio is invalid.
Polling intervalStart around 2–5 seconds and back off for long tasks, 429, or 5xx.
Terminal statesStop on finished or failed and enforce a client timeout.
Callback optioncallback_url receives a flat terminal task object; polling remains available.

Model Specifications

Specification	Value	Details
Input mode	1–2 frames	Required Start and optional End in image_urls order.
Output	Video + optional last frame	Asynchronous mixed-file result.
Resolution	480p / 720p	720p is the API default.
Duration	4–15 seconds	Inclusive integer range.
Aspect ratio	Auto	Other ratio values are rejected.
Billing basis	10 or 24 credits/s	Output duration at the selected resolution.

View Seedance 2.0 Mini Image-to-Video API documentation

Seedance 2.0 Mini Image-to-Video

Seedance 2.0 Mini Image-to-Video API receives one start frame and one optional end frame in image_urls. Use prompt to describe subject movement and camera movement between the two images; retrieve the asynchronous task through status polling or callback_url.

Why use Seedance 2.0 Mini Image-to-Video API?

Use the start frame for visual details.The first image_urls item supplies the subject appearance, environment, lighting, and opening composition.
Use the end frame to specify the closing image.Place a second image in image_urls when the video must end on a specified pose or composition.
Describe subject and camera movement separately.Write the subject movement first, followed by pan, track, push, orbit, or locked-camera instructions.
Choose resolution and integer duration.resolution accepts 480p or 720p; duration accepts an integer from 4–15.

Parameters

Parameter	Requirement	Description
prompt	Required	Trimmed motion and camera instruction from 1 through 20,000 characters.
image_urls	Required	Ordered array of one start-frame URL and one optional end-frame URL; removing Start does not promote End.
duration	Required	Integer from 4 through 15 seconds; the Playground starts at 5.
resolution	Optional	480p or 720p. The API and Playground default to 720p. Default`720p480p`
aspect_ratio	Optional / fixed	Omit or send auto only. The Playground displays read-only Auto and sends auto. Default`auto`
generate_audio	Optional	Boolean audio request. The Playground sends true initially; the API declares no default.
return_last_frame	Optional	Boolean request for the final frame as an additional successful file.
web_search	Optional	Optional Boolean field.
seed	Optional	Integer with no published range.

How to Use

Choose the start frameUse an image where the subject appearance, opening pose, environment, and composition are visible.
Add an end frame when neededPlace the end frame second in image_urls to specify the image shown at the end of the video.
Describe subject motionState the action that begins from the start frame and where the action should finish.
Direct camera motionSpecify pan, track, push, orbit, or a locked camera separately.
Submit and trackRun the task, then poll task_id or use callback_url to receive a finished or failed task object.

Pricing

Image-to-Video uses the no-reference-video rate. Frame count, generated audio, final-frame return, web search, and seed do not change current pricing.

Usage	Rate	Details
480p output	10 credits / output second	$0.050/s. A 5 second task uses 50 credits ($0.250).
720p output	24 credits / output second	$0.120/s. A 5 second task uses 120 credits ($0.600).

Best Use Cases

Product movement clipsSubmit a product image and describe rotation, translation, or component movement in prompt.
Character action clipsSubmit a portrait or full-body image and specify one subject action in prompt.
Start-to-end image transitionsUse the first image_urls item for the opening image and the second item for the closing image.
Camera-movement comparisonsGenerate locked, tracking, pushing, or orbiting camera instructions from the same start frame.

Pro Tips

Treat the start frame as the source of composition, identity, wardrobe, environment, and light.
Describe subject motion before camera motion so the two instructions do not compete.
When using an end frame, describe the transition rather than redescribing both images.
Keep identity-changing instructions out of the prompt unless transformation is intentional.
Use one readable action beat for short clips and state where the movement should settle.

Notes

image_urls must contain one or two public HTTP(S) URLs in Start then End order.
Seedance 2.0 Mini Image-to-Video API does not accept reference-media fields or independent start_image_url and end_image_url fields.
Only auto is accepted when aspect_ratio is provided.
The Playground upload policy is JPEG/PNG/WebP up to 30 MB; it is not a complete upstream limit statement.

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Seedance 2.0 Mini Image-to-Video API — Frequently asked questions

What is Seedance 2.0 Mini Image-to-Video API?

Seedance 2.0 Mini Image-to-Video API turns one start frame and one optional end frame into video. The first image_urls item is the start frame and the second is the end frame; a successful submission returns task_id for the asynchronous task.

How do I call Seedance 2.0 Mini Image-to-Video API?

Send POST /api/generate/submit with a Bearer key, set model to seedance-2.0-mini/image-to-video, and provide one or two public HTTP(S) URLs in input.image_urls. Poll the returned task_id or provide callback_url.

How is Seedance 2.0 Mini Image-to-Video API billed?

480p uses 10 credits ($0.050) per output second and 720p uses 24 credits ($0.120) per output second. One or two images use the same rate when duration and resolution are unchanged.

What inputs does Seedance 2.0 Mini Image-to-Video API accept?

input must contain prompt, an integer duration from 4–15, and image_urls with one or two ordered image URLs. resolution accepts 480p or 720p; aspect_ratio must be omitted or set to auto.

How do I retrieve a Seedance 2.0 Mini Image-to-Video API result?

Poll the task only while status is not_started or running. Stop when status becomes finished or failed; data.files contains the video and any other files returned by the service.

How should I choose among the three Seedance 2.0 Mini APIs?

Use Seedance 2.0 Mini Image-to-Video API for a required start frame and optional end frame, Seedance 2.0 Mini Text-to-Video API without source media, or Seedance 2.0 Mini Reference-to-Video API for image, video, or audio references.