AIAPIAIAPI API

Seedance 2.0 Ref2V Spicy

Model ID bytedance/seedance-2.0-ref2v-spicy

Overview

Reference-to-video generation from images, videos, and/or audio references, with resolutions up to 4K.

ByteDance · reference-to-video

Endpoint

POST /v1/video/generations

Authentication

Authorization: Bearer <AIAPIAIAPI_API_KEY>

Request Body

ParameterTypeRequiredNullableDefaultConstraintsDescription
modelstringYesNo-values: bytedance/seedance-2.0-ref2v-spicyModel ID used to route the request.
promptstringYesNo--Text prompt describing the desired video.
imagesarrayNoNo-max_count: 9; accepts: HTTPS URL, Base64 data URLReference images; each item accepts an HTTPS URL or Base64 data URL.
videosarrayNoNo-max_count: 3; accepts: HTTPS URL, Base64 data URLReference videos; each item accepts an HTTPS URL or Base64 data URL.
audiosarrayNoNo-max_count: 3; accepts: HTTPS URL, Base64 data URLReference audio clips; each item accepts an HTTPS URL or Base64 data URL.
audio_enablebooleanNoNo--Whether to generate audio together with the video.
durationintegerNoNo`5`range: 4-15Generated video duration in seconds.
resolutionstringNoNo`720p`values: 480p, 720p, 1080p, 4kOutput video resolution.
aspect_ratiostringNoNo-values: adaptive, 16:9, 4:3, 1:1, 3:4, 9:16, 21:9Output video aspect ratio.
seedintegerNoNo-range: -1-4294967296Random seed; use -1 for a random result.

model

Type: string · Required: Yes · Nullable: No

Model ID used to route the request.

prompt

Type: string · Required: Yes · Nullable: No

Text prompt describing the desired video.

images

Type: array · Required: No · Nullable: No

Reference images; each item accepts an HTTPS URL or Base64 data URL.

videos

Type: array · Required: No · Nullable: No

Reference videos; each item accepts an HTTPS URL or Base64 data URL.

audios

Type: array · Required: No · Nullable: No

Reference audio clips; each item accepts an HTTPS URL or Base64 data URL.

audio_enable

Type: boolean · Required: No · Nullable: No

Whether to generate audio together with the video.

duration

Type: integer · Required: No · Nullable: No

Generated video duration in seconds.

resolution

Type: string · Required: No · Nullable: No

Output video resolution.

aspect_ratio

Type: string · Required: No · Nullable: No

Output video aspect ratio.

seed

Type: integer · Required: No · Nullable: No

Random seed; use -1 for a random result.

Request Example

curl --request POST \
  --url https://aiapiaiapi.com/v1/video/generations \
  --header 'Authorization: Bearer $AIAPIAIAPI_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
      "model": "bytedance/seedance-2.0-ref2v-spicy",
      "prompt": "A cinematic camera movement through a forest",
      "images": ["https://example.com/reference.jpg"],
      "duration": 5,
      "resolution": "720p"
    }'

JSON

{
  "model": "bytedance/seedance-2.0-ref2v-spicy",
  "prompt": "A cinematic camera movement through a forest",
  "images": ["https://example.com/reference.jpg"],
  "duration": 5,
  "resolution": "720p"
}

Response

{
  "id": "vid_01K2ABC123",
  "object": "video.generation",
  "model": "bytedance/seedance-2.0-ref2v-spicy",
  "status": "queued",
  "progress": null,
  "outputs": [],
  "created_at": 1786960800,
  "started_at": null,
  "completed_at": null,
  "error": null
}

Task Status

Use the id from the create response as task_id:

GET /v1/video/generations/{task_id}

{
  "id": "vid_01K2ABC123",
  "object": "video.generation",
  "model": "bytedance/seedance-2.0-ref2v-spicy",
  "status": "completed",
  "progress": 100,
  "outputs": [
    { "type": "video", "url": "https://cdn.example.com/videos/vid_01K2ABC123.mp4" }
  ],
  "created_at": 1786960800,
  "started_at": 1786960805,
  "completed_at": 1786960900,
  "error": null
}

Error Responses

Validation errors return HTTP 400 with a stable error code.

{
  "error": {
    "type": "invalid_request_error",
    "code": "unsupported_value",
    "message": "The parameter value is not supported by this model.",
    "param": "duration"
  }
}

Documentation Index

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https://aiapiaiapi.com/llms.txt

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