Bytedance - V1 Lite Image to Video

This page is generated from the upstream official OpenAPI documentation. Endpoints, parameters and examples match the official docs; brand and API domain are replaced with ModelFold.

Endpoint

POST /jobs/createTask

Full URL: https://ai.modelfold.online/v1/jobs/createTask

Authentication: every request must include the Authorization: Bearer <API_KEY> header.

Content generation using bytedance/v1-lite-image-to-video

Query Task Status

After submitting a task, use the unified query endpoint to check progress and retrieve results:

Get Task Details — Learn how to query task status and retrieve generation results

TIP

For production use, we recommend using the callBackUrl parameter to receive automatic notifications when generation completes, rather than polling the status endpoint.

Market Overview — Explore all available models
Common API — Check credits and account usage

Request Parameters

Body (application/json)

Parameter	Type	Required	Description
`model`	`string`	Yes	The model name to use for generation. Required field. - Must be `bytedance/v1-lite-image-to-video` for this endpoint Default：`"bytedance/v1-lite-image-to-video"`。 Allowed values：`bytedance/v1-lite-image-to-video`。示例：`bytedance/v1-lite-image-to-video`。
`callBackUrl`	`string`	No	The URL to receive generation task completion updates. Optional but recommended for production use. - System will POST task status and results to this URL when generation completes - Callback includes generated content URLs and task information - Your callback endpoint should accept POST requests with JSON payload containing results - Alternatively, use the Get Task Details endpoint to poll task status - To ensure callback security, see Webhook Verification Guide for signature verification implementation 示例：`https://your-domain.com/api/callback`。
`input`	`object`	No	Input parameters for the generation task
`input.prompt`	`string`	Yes	The text prompt used to generate the video (Max length: 10000 characters) 示例：`Multiple shots. A traveler crosses an endless desert toward a glowing archway. [Cut to] His cloak whips in the wind as he reaches the massive stone threshold. [Wide shot] He steps through — and vanishes into a burst of light`。
`input.image_url`	`string`	Yes	The URL of the image used to generate video (File URL after upload, not file content; Accepted types: image/jpeg, image/png, image/webp; Max size: 10.0MB) 示例：`https://file.aiquickdraw.com/custom-page/akr/section-images/17550783375205e9woshz.png`。
`input.resolution`	`string`	No	Video resolution - 480p for faster generation, 720p for higher quality Default：`"720p"`。 Allowed values：`480p` / `720p` / `1080p`。示例：`720p`。
`input.duration`	`string`	No	Duration of the video in seconds Default：`"5"`。 Allowed values：`5` / `10`。示例：`5`。
`input.camera_fixed`	`boolean`	No	Whether to fix the camera position (Boolean value (true/false)) 示例：`false`。
`input.seed`	`number`	No	Random seed to control video generation. Use -1 for random. (Min: -1, Max: 2147483647, Step: 1) (step: 1) Default：`-1`。示例：`-1`。
`input.enable_safety_checker`	`boolean`	No	The safety checker is always enabled in Playground. It can only be disabled by setting false through the API. (Boolean value (true/false)) 示例：`true`。
`input.end_image_url`	`string`	No	The URL of the image the video ends with. Defaults to None. (File URL after upload, not file content; Accepted types: image/jpeg, image/png, image/webp; Max size: 10.0MB) 示例：``。
`input.nsfw_checker`	`boolean`	No	Defaults to false. When false, no additional content filtering is applied and results are returned directly by the model.

Request Example

bash

curl -X POST "https://ai.modelfold.online/v1/jobs/createTask" \
  -H "Authorization: Bearer $MODELFOLD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "bytedance/v1-lite-image-to-video",
  "callBackUrl": "https://your-domain.com/api/callback",
  "input": {
    "prompt": "Multiple shots. A traveler crosses an endless desert toward a glowing archway. [Cut to] His cloak whips in the wind as he reaches the massive stone threshold. [Wide shot] He steps through — and vanishes into a burst of light",
    "image_url": "https://file.aiquickdraw.com/custom-page/akr/section-images/17550783375205e9woshz.png",
    "resolution": "720p",
    "duration": "5",
    "camera_fixed": false,
    "seed": -1,
    "enable_safety_checker": true,
    "end_image_url": "",
    "nsfw_checker": false
  }
}'

json

{
  "model": "bytedance/v1-lite-image-to-video",
  "callBackUrl": "https://your-domain.com/api/callback",
  "input": {
    "prompt": "Multiple shots. A traveler crosses an endless desert toward a glowing archway. [Cut to] His cloak whips in the wind as he reaches the massive stone threshold. [Wide shot] He steps through — and vanishes into a burst of light",
    "image_url": "https://file.aiquickdraw.com/custom-page/akr/section-images/17550783375205e9woshz.png",
    "resolution": "720p",
    "duration": "5",
    "camera_fixed": false,
    "seed": -1,
    "enable_safety_checker": true,
    "end_image_url": "",
    "nsfw_checker": false
  }
}

Response

200 — Request successful

json

{
  "code": 200,
  "msg": "success",
  "data": {
    "taskId": "task_bytedance_1765186743319"
  }
}

Callback

videoTaskCompleted

Callback URL: {request.body#/callBackUrl} (the callBackUrl in the request body).

The system sends this callback when the bytedance/v1-lite-image-to-video task succeeds or fails.

Callback body parameters

参数	类型	必填	说明
`code`	`integer`	是	Unified callback code: 200 for success, 501 for failure. Allowed values：`200` / `501`。示例：`200`。
`msg`	`string`	是	Unified callback message. Allowed values：`Playground task completed successfully.` / `Playground task failed.`。示例：`Playground task completed successfully.`。
`data`	`object`	是	—
`data.taskId`	`string`	是	The unique task identifier.
`data.model`	`string`	是	The model used for the task. Allowed values：`bytedance/v1-lite-image-to-video`。示例：`bytedance/v1-lite-image-to-video`。
`data.state`	`string`	是	Terminal task state. Allowed values：`success` / `fail`。示例：`success`。
`data.param`	`string`	是	JSON string containing the submitted task parameters.
`data.resultJson`	`string`	否	JSON string containing resultUrls, firstFrameUrl, lastFrameUrl, or resultObject when successful. Present only when state is success.
`data.failCode`	`string`	否	Failure code, a numeric string such as "400" or "500". Present only when state is fail.
`data.failMsg`	`string`	否	Failure reason. Present only when state is fail.
`data.costTime`	`integer`	否	Processing time in seconds. Present on both success and failure callbacks.
`data.completeTime`	`integer`	否	Task completion timestamp.
`data.createTime`	`integer`	否	Task creation timestamp.
`data.updateTime`	`integer`	否	Use completeTime as the completion time; updateTime may equal createTime.
`data.creditsConsumed`	`number`	否	Credits consumed by the task; 0 for failed tasks.

Task completed successfully

json

{
  "code": 200,
  "msg": "Playground task completed successfully.",
  "data": {
    "taskId": "task_example_video_webhook_001",
    "model": "bytedance/v1-lite-image-to-video",
    "state": "success",
    "param": "{\"input\":\"{\\\"prompt\\\":\\\"Multiple shots. A traveler crosses an endless desert toward a glowing archway. [Cut to] His cloak whips in the wind a...\\\",\\\"image_url\\\":\\\"https://example.com/input-image.jpg\\\",\\\"resolution\\\":\\\"720p\\\",\\\"duration\\\":\\\"5\\\",\\\"camera_fixed\\\":false,\\\"seed\\\":-1,\\\"enable_safety_checker\\\":true,\\\"end_image_url\\\":\\\"https://example.com/input-image.jpg\\\",\\\"nsfw_checker\\\":false}\",\"callBackUrl\":\"https://example.com/callback\",\"model\":\"bytedance/v1-lite-image-to-video\"}",
    "resultJson": "{\"resultUrls\":[\"https://example.com/generated-video.mp4\"]}",
    "costTime": 12,
    "completeTime": 1234567890,
    "createTime": 1234560000,
    "updateTime": 1234567890,
    "creditsConsumed": 1.23
  }
}

Task failed

json

{
  "code": 501,
  "msg": "Playground task failed.",
  "data": {
    "taskId": "task_example_video_webhook_001",
    "model": "bytedance/v1-lite-image-to-video",
    "state": "fail",
    "param": "{\"input\":\"{\\\"prompt\\\":\\\"Multiple shots. A traveler crosses an endless desert toward a glowing archway. [Cut to] His cloak whips in the wind a...\\\",\\\"image_url\\\":\\\"https://example.com/input-image.jpg\\\",\\\"resolution\\\":\\\"720p\\\",\\\"duration\\\":\\\"5\\\",\\\"camera_fixed\\\":false,\\\"seed\\\":-1,\\\"enable_safety_checker\\\":true,\\\"end_image_url\\\":\\\"https://example.com/input-image.jpg\\\",\\\"nsfw_checker\\\":false}\",\"callBackUrl\":\"https://example.com/callback\",\"model\":\"bytedance/v1-lite-image-to-video\"}",
    "failCode": "400",
    "failMsg": "<error detail>",
    "costTime": 12,
    "creditsConsumed": 0
  }
}

Bytedance - V1 Lite Image to Video ​

Endpoint ​

Query Task Status ​

Related Resources ​

Request Parameters ​

Body (application/json) ​

Request Example ​

Response ​

200 — Request successful ​

Callback ​

videoTaskCompleted ​

Bytedance - V1 Lite Image to Video

Endpoint

Query Task Status

Related Resources

Request Parameters

Body (application/json)

Request Example

Response

200 — Request successful

Callback

videoTaskCompleted