ByteDance · Model API

Seedance 2.0 Mini API

Seedance 2.0 Mini API with VezAPI. Explore model capabilities, credit pricing, request parameters, and integration examples.

Text to VideoImage to VideoVideo to Video

Seedance 2.0 Mini API documentation

Integrate Seedance 2.0 Mini with your VezAPI key. The operations below share the same authentication and account balance.

Base URL: https://api.vezapi.com
Send Authorization: Bearer YOUR_VEZAPI_KEY. Use a unique Idempotency-Key for each submission; reuse it only when checking the same request.

Bytedance Seedance 2.0 Mini

POST/api/v1/jobs/createTask

Model IDs: bytedance/seedance-2-mini

Parameter	Type	Description & constraints
`model` required	`string`	The model name to use for generation. Required field. - Must be `bytedance/seedance-2-mini` for this endpoint Values: `"bytedance/seedance-2-mini"` Default: `"bytedance/seedance-2-mini"`
`callBackUrl` optional	`string`	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](/common-api/webhook-verification) for signature verification implementation
`input` required	`object`	Input parameters for the generation task
`input.prompt` optional	`string`	The text prompt used to generate the video. Required field. (Min length: 3, Max length: 20000 characters) `minLength: 3` `maxLength: 20000`
`input.first_frame_url` optional	`string`	First frame image url or asset://{assetId} (for example: asset://asset-20260404242101-76djj)
`input.last_frame_url` optional	`string`	End frame image url or asset://{assetId} (for example: asset://asset-20260404242101-76djj)
`input.reference_image_urls` optional	`array`	Enter a list of image URLs or asset://{assetId} (for example: asset://asset-20260404242101-76djj). Single image requirements: Format: jpeg, png, webp, gif. Aspect ratio (width/height): (0.4, 2.5) Width and height (px): (300, 6000) Size: Single image less than 30 MB. Up to 9 images. `maxItems: 9`
`input.reference_video_urls` optional	`array`	Enter a list of video URLs or asset://{assetId} (for example: asset://asset-20260404242101-76djj). Single video requirements: Video format: mp4, mov. Resolution: 480p, 720p Duration: Single video duration [2, 15] s, maximum 3 reference videos, total duration of all videos not exceeding 15 seconds. Dimensions: Aspect ratio (width/height): [0.4, 2.5] Width/height (px): [300, 6000] Total pixels: [640×640=409600, 834×1112=927408], i.e., the product of width and height must meet the range requirement of [409600, 927408]. Size: Single video not exceeding 50 MB. Frame rate (FPS): [24, 60] `maxItems: 3`
`input.reference_audio_urls` optional	`array`	Enter a list of audio URLs or asset://{assetId} (for example: asset://asset-20260404242101-76djj). Single audio requirements: Format: wav, mp3 Duration: Single audio duration [2, 15] s, maximum 3 reference audios, total duration of all audios not exceeding 15 s. Size: Single audio file size not exceeding 15 MB. `maxItems: 3`
`input.generate_audio` optional	`boolean`	Whether to generate audio for the video. - true: Generate with audio - false: Generate without audio Default: `true`
`input.resolution` optional	`string`	Video resolution - 480p for faster generation, 720p for balance Values: `"480p", "720p"` Default: `"720p"`
`input.aspect_ratio` optional	`string`	Video aspect ratio configuration. Required field. Values: `"1:1", "4:3", "3:4", "16:9", "9:16", "21:9", "adaptive"` Default: `"16:9"`
`input.duration` optional	`integer`	Video duration in 4-15 seconds or -1. Default: `5`
`input.web_search` optional	`boolean`	Use online search. Text-to-video only.
`input.nsfw_checker` optional	`boolean`	Defaults to false. When false, no additional content filtering is applied and results are returned directly by the model.

Request example

curl -X POST 'https://api.vezapi.com/api/v1/jobs/createTask' \
  -H 'Authorization: Bearer YOUR_VEZAPI_KEY' \
  -H 'Idempotency-Key: your-unique-request-id' \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "bytedance/seedance-2-mini",
  "input": {
    "prompt": "A serene beach at sunset with waves gently crashing on the shore, palm trees swaying in the breeze, and seagulls flying across the orange sky",
    "resolution": "720p",
    "aspect_ratio": "16:9",
    "duration": 5
  }
}'

Responses and errors

HTTP 200

Request successful

Parameter	Type	Description & constraints
`code` optional	`integer`	Status code of the request. The HTTP status is 200 even when the request fails, so always check this field: 200 means success; any other value means the request failed and msg describes the reason. Common values: 401 invalid or missing API key; 402 insufficient credits; 429 rate limit exceeded; 422 or 500 the request could not be processed (read msg and check your parameters before retrying). Values: `200, 401, 402, 404, 422, 429, 433, 455, 500, 501, 505`
`msg` optional	`string`	Response message, error description upon failure
`data` required	`object`
`data.taskId` required	`string`	The task ID can be used with the "Get Task Details" endpoint to query the task status.

Task status and callbacks

For asynchronous tasks, keep the returned taskId. Query GET /api/v1/jobs/recordInfo?taskId=... or provide callBackUrl when creating the task. Only the account that created a task can access it or derive new resources from it.

A timeout can mean the submission was accepted. Inspect the existing request in your dashboard; do not create another task automatically. Callback delivery is retried and may arrive more than once. Deduplicate with X-VezAPI-Event-Id.

Files, logs and billing

Generated media normally follows a 14-day provider lifetime; uploaded files expire after 24 hours. Save the files you need before expiration. VezAPI streams registered files without keeping a permanent media library. Request logs are retained for two calendar months.

Credits are reserved before submission. Final deductions match actual discounted consumption one for one. Unknown usage pauses new paid requests. If available funds cannot cover final usage while protecting other reservations, settlement stays pending until funded; model usage cannot make the wallet negative. Time-based inputs require server-side metadata reads; a failed read prevents submission.

Open full documentation →

Send a request using your VezAPI key. Successful generations use your account credits.

VezAPI API Key

POST/api/v1/jobs/createTask

Request body

{
  "model": "bytedance/seedance-2-mini",
  "input": {
    "prompt": "A serene beach at sunset with waves gently crashing on the shore, palm trees swaying in the breeze, and seagulls flying across the orange sky",
    "resolution": "720p",
    "aspect_ratio": "16:9",
    "duration": 5
  }
}

Response

Your response will appear here.

Seedance 2.0 Mini API pricing

Rates below are reference estimates; final deductions equal actual discounted consumption, one for one. At the standard pack rate, 1,000 credits ≈ $10. Larger packs reduce the effective credit price.

Specification	Credits	Unit	USD reference
bytedance/seedance-2-mini, 720P no video	8.2	per second	$0.082
bytedance/seedance-2-mini, 720P with video	5	per second	$0.05
bytedance/seedance-2-mini, 480P no video	3.8	per second	$0.038
bytedance/seedance-2-mini, 480P with video	2.4	per second	$0.024