Seedance 2

Seedance 2 视频生成，支持文生视频、图生视频和多模态参考输入

功能特性

文生视频生成
图生视频生成
支持图片、视频和音频参考输入
Fast 与 Pro 两种模型
标准、真人、狂野三种渲染模式
支持 4-15 秒输出

定价

Model / Resolution	4s	8s	12s	15s
seedance2-fast / 720p	60 (~$0.67)	120 (~$1.33)	180 (~$2.00)	225 (~$2.50)
seedance2 / 720p	72 (~$0.80)	144 (~$1.60)	216 (~$2.40)	270 (~$3.00)
seedance2 / 1080p	108 (~$1.20)	216 (~$2.40)	324 (~$3.60)	405 (~$4.50)

Example pricing for text/image inputs. Requests with video or audio references use doubled media-reference pricing.

端点

POST/api/v1/videos/generate

参数

参数	类型	必需	描述
model	string	必需	"seedance2" for Pro quality or "seedance2-fast" for Fast quality
mode	string	可选	"standard", "real", or "wild" rendering mode. channel is accepted as an alias.
type	string	可选	"text-to-video", "image-to-video", or "media-to-video" (auto-detected from media_urls/image_urls when omitted)
prompt	string	必需	Text prompt (3-2500 chars)
media_urls	string[]	可选	Reference media URLs. Supports images, videos, and audio; detected by file extension.
image_urls	string[]	可选	Image-only reference URLs. media_urls takes precedence when both are provided.
input_image	string	可选	Deprecated. Alias for image_urls[0]
aspect_ratio	string	可选	"1:1", "21:9", "4:3", "3:4", "16:9", or "9:16" (default: 16:9)
duration	string	可选	"4" through "15" seconds (default: 4)
resolution	string	可选	"480p", "720p", or "1080p" (default: 720p)
fallback	boolean	可选	Allow automatic service fallback when available (default behavior)

请求示例（文生视频）

{
  "model": "seedance2",
  "mode": "standard",
  "type": "text-to-video",
  "prompt": "A cinematic drone shot over a futuristic coastal city at sunrise",
  "aspect_ratio": "16:9",
  "duration": "8",
  "resolution": "1080p",
  "fallback": true
}

请求示例（图生视频）

{
  "model": "seedance2-fast",
  "mode": "real",
  "prompt": "A product spins slowly on a clean studio turntable with soft reflections",
  "media_urls": ["https://example.com/product.png"],
  "aspect_ratio": "16:9",
  "duration": "6",
  "resolution": "720p"
}

响应示例

{
  "success": true,
  "data": {
    "task_id": "task_seedance2_123",
    "credits_used": 216,
    "remaining_credits": 784,
    "model": "seedance2",
    "mode": "standard"
  }
}

代码示例（文生视频）

curl -X POST https://gateway.bananapro.site/api/v1/videos/generate \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedance2",
    "mode": "standard",
    "type": "text-to-video",
    "prompt": "A cinematic drone shot over a futuristic coastal city at sunrise",
    "aspect_ratio": "16:9",
    "duration": "8",
    "resolution": "1080p"
  }'

代码示例（图生视频）

curl -X POST https://gateway.bananapro.site/api/v1/videos/generate \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedance2-fast",
    "mode": "real",
    "prompt": "A product spins slowly on a clean studio turntable with soft reflections",
    "media_urls": ["https://example.com/product.png"],
    "aspect_ratio": "16:9",
    "duration": "6",
    "resolution": "720p"
  }'

Model / Resolution

12s

15s

seedance2-fast / 720p

60 (~$0.67)

120 (~$1.33)

180 (~$2.00)

225 (~$2.50)

seedance2 / 720p

72 (~$0.80)

144 (~$1.60)

216 (~$2.40)

270 (~$3.00)

seedance2 / 1080p

108 (~$1.20)

216 (~$2.40)

324 (~$3.60)

405 (~$4.50)

参数

类型

必需

描述

model

string

必需

"seedance2" for Pro quality or "seedance2-fast" for Fast quality

mode

string

可选

"standard", "real", or "wild" rendering mode. channel is accepted as an alias.

type

string

可选

"text-to-video", "image-to-video", or "media-to-video" (auto-detected from media_urls/image_urls when omitted)

prompt

string

必需

Text prompt (3-2500 chars)

media_urls

string[]

可选

Reference media URLs. Supports images, videos, and audio; detected by file extension.

image_urls

string[]

可选

Image-only reference URLs. media_urls takes precedence when both are provided.

input_image

string

可选

Deprecated. Alias for image_urls[0]

aspect_ratio

string

可选

"1:1", "21:9", "4:3", "3:4", "16:9", or "9:16" (default: 16:9)

duration

string

可选

"4" through "15" seconds (default: 4)

resolution

string

可选

"480p", "720p", or "1080p" (default: 720p)

fallback

boolean

可选

Allow automatic service fallback when available (default behavior)

{ "model": "seedance2", "mode": "standard", "type": "text-to-video", "prompt": "A cinematic drone shot over a futuristic coastal city at sunrise", "aspect_ratio": "16:9", "duration": "8", "resolution": "1080p", "fallback": true }

{ "model": "seedance2-fast", "mode": "real", "prompt": "A product spins slowly on a clean studio turntable with soft reflections", "media_urls": ["https://example.com/product.png"], "aspect_ratio": "16:9", "duration": "6", "resolution": "720p" }

curl -X POST https://gateway.bananapro.site/api/v1/videos/generate \ -H "Authorization: Bearer sk-your-api-key" \ -H "Content-Type: application/json" \ -d '{ "model": "seedance2", "mode": "standard", "type": "text-to-video", "prompt": "A cinematic drone shot over a futuristic coastal city at sunrise", "aspect_ratio": "16:9", "duration": "8", "resolution": "1080p" }'

curl -X POST https://gateway.bananapro.site/api/v1/videos/generate \ -H "Authorization: Bearer sk-your-api-key" \ -H "Content-Type: application/json" \ -d '{ "model": "seedance2-fast", "mode": "real", "prompt": "A product spins slowly on a clean studio turntable with soft reflections", "media_urls": ["https://example.com/product.png"], "aspect_ratio": "16:9", "duration": "6", "resolution": "720p" }'