Seedance

ByteDance Seedance video generation with optional audio generation

Caratteristiche

Text-to-video generation
Image-to-video generation
Optional audio generation
Seedance 2 supports 4K output

Prezzi

Duration	480p No Audio	480p Audio	720p No Audio	720p Audio
4 sec	8	16	16	32
8 sec	16	32	32	64
12 sec	24	48	48	96

Seedance 2 4K (resolution "4k") requires model "seedance2", durations 4-15s, billed per second at ~117 credits/sec (e.g. 5s ≈ 585 credits).

Endpoint

POST/api/v1/videos/generate

Parametri

Parametro	Tipo	Obbligatorio	Descrizione
model	string	Obbligatorio	"seedance", "seedance2", or "seedance2-fast"
type	string	Facoltativo	"text-to-video" or "image-to-video" (default: text-to-video)
prompt	string	Obbligatorio	Text prompt (3-2500 chars)
image_urls	string[]	Facoltativo	Required for image-to-video; supports 1-2 images
media_urls	string[]	Facoltativo	Seedance2 media references. Supports images, videos, and audio; audio must be paired with at least one image or video. Include input_video_duration or media_durations for video/audio billing.
input_video_duration	number	Facoltativo	Total video/audio input duration in seconds for Seedance2 media_urls billing.
media_durations	(number\|null)[]	Facoltativo	Optional per-media durations aligned with media_urls; positive values are summed for video/audio billing.
input_image	string	Facoltativo	Deprecated. Alias for image_urls[0]
aspect_ratio	string	Facoltativo	"1:1", "21:9", "4:3", "3:4", "16:9", or "9:16"
duration	string	Facoltativo	"4", "8", or "12" for seedance; seedance2 supports 4-15 seconds
resolution	string	Facoltativo	"480p" or "720p" for seedance; seedance2 also supports "1080p". "4k" requires model "seedance2" (other models reject "4k").
fixed_lens	boolean	Facoltativo	Use fixed camera/lens behavior (default: false)
generate_audio	boolean	Facoltativo	Generate synchronized audio (default: true). Set to false for silent video.

Esempio di Richiesta

{
  "model": "seedance",
  "type": "text-to-video",
  "prompt": "A cinematic pan across a rainy neon street",
  "aspect_ratio": "16:9",
  "duration": "8",
  "resolution": "720p",
  "generate_audio": true
}

Esempio di Risposta

{
  "success": true,
  "data": {
    "task_id": "task_seedance123",
    "credits_used": 64,
    "remaining_credits": 436,
    "model": "seedance"
  }
}

Esempi di Codice

curl -X POST https://preview.bananapro.site/api/v1/videos/generate \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedance",
    "type": "text-to-video",
    "prompt": "A cinematic pan across a rainy neon street",
    "aspect_ratio": "16:9",
    "duration": "8",
    "resolution": "720p",
    "generate_audio": true
  }'

Duration

480p No Audio

480p Audio

720p No Audio

720p Audio

4 sec

8 sec

12 sec

Parametro

Tipo

Obbligatorio

Descrizione

model

string

Obbligatorio

"seedance", "seedance2", or "seedance2-fast"

type

string

Facoltativo

"text-to-video" or "image-to-video" (default: text-to-video)

prompt

string

Obbligatorio

Text prompt (3-2500 chars)

image_urls

string[]

Facoltativo

Required for image-to-video; supports 1-2 images

media_urls

string[]

Facoltativo

Seedance2 media references. Supports images, videos, and audio; audio must be paired with at least one image or video. Include input_video_duration or media_durations for video/audio billing.

input_video_duration

number

Facoltativo

Total video/audio input duration in seconds for Seedance2 media_urls billing.

media_durations

(number|null)[]

Facoltativo

Optional per-media durations aligned with media_urls; positive values are summed for video/audio billing.

input_image

string

Facoltativo

Deprecated. Alias for image_urls[0]

aspect_ratio

string

Facoltativo

"1:1", "21:9", "4:3", "3:4", "16:9", or "9:16"

duration

string

Facoltativo

"4", "8", or "12" for seedance; seedance2 supports 4-15 seconds

resolution

string

Facoltativo

"480p" or "720p" for seedance; seedance2 also supports "1080p". "4k" requires model "seedance2" (other models reject "4k").

fixed_lens

boolean

Facoltativo

Use fixed camera/lens behavior (default: false)

generate_audio

boolean

Facoltativo

Generate synchronized audio (default: true). Set to false for silent video.

{ "model": "seedance", "type": "text-to-video", "prompt": "A cinematic pan across a rainy neon street", "aspect_ratio": "16:9", "duration": "8", "resolution": "720p", "generate_audio": true }

curl -X POST https://preview.bananapro.site/api/v1/videos/generate \ -H "Authorization: Bearer sk-your-api-key" \ -H "Content-Type: application/json" \ -d '{ "model": "seedance", "type": "text-to-video", "prompt": "A cinematic pan across a rainy neon street", "aspect_ratio": "16:9", "duration": "8", "resolution": "720p", "generate_audio": true }'