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POST
cURL
This is the Seedance Video Generation API text-to-video endpoint. Generate video only through text prompt without any media files. Submit async task and return id, use query endpoint to get results.
Usage: Include only text (prompt) in content. ratio can specify specific values like 16:9.

Authorizations

TT-API-KEY
string
header
required

Get your API key from the TTAPI Dashboard.

Body

application/json
model
enum<string>
required

Model ID

Available options:
doubao-seedance-2-5-260628,
doubao-seedance-2-0-260128,
doubao-seedance-2-0-fast-260128,
doubao-seedance-2-0-mini-260615
content
object[]
required

Input content list, text only

resolution
enum<string>
default:720p

Video resolution. Seedance 2.0 options: 480p, 720p, 1080p, 4k, default 720p; 2.0 fast/mini options: 480p, 720p

Available options:
480p,
720p,
1080p,
4k
ratio
enum<string>

Video aspect ratio. adaptive not supported, specify a specific value

Available options:
16:9,
4:3,
1:1,
3:4,
9:16,
21:9
duration
integer
default:-1

Video duration (seconds). Range [4, 15] or -1 (smart selection). Seedance 2.0 fast/mini range [4, 15]

generate_audio
boolean
default:true

Whether to generate synchronized audio

watermark
boolean
default:false

Whether to add watermark

return_last_frame
boolean
default:false

Whether to return last frame image

callback_url
string

Callback URL

execution_expires_after
integer
default:172800

Task timeout threshold (seconds). Range [3600, 259200]

priority
integer
default:0

Execution priority. Range [0, 9]

safety_identifier
string

End user identifier, max 64 characters

tools
object[]

Tool configuration

service_tier
enum<string>
default:default

Service tier

Available options:
default

Response

200 - application/json

Task submitted successfully

id
string
required

Task ID

Last modified on October 22, 2026