Skip to main content
POST
/
v1
/
videos
Seedance 1.5 Pro First & Last Frame to Video
curl --request POST \
  --url https://api.powertokens.ai/v1/videos \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "seedance-1-5-pro-251215",
  "media": [
    {
      "type": "text",
      "text": "State transition"
    },
    {
      "type": "first_frame",
      "url": "https://example.com/start.jpg"
    },
    {
      "type": "last_frame",
      "url": "https://example.com/end.jpg"
    }
  ]
}
'

Authorizations

​
Authorization
string
header
required

Pass Authorization: Bearer <token> in the request header.

Body

application/json
​
model
enum<string>
required

Video generation model name. Fixed to seedance-1-5-pro-251215.

Available options:
seedance-1-5-pro-251215
​
media
object[]
required

Multimodal input array. First & last frame to video must contain first_frame, last_frame, and text.

​
seconds
enum<string>
default:5

Video generation duration (seconds) as a string. Supports "-1" (smart selection) or "4" to "12".

Available options:
4,
5,
6,
7,
8,
9,
10,
11,
12,
-1
Example:

"5"

​
size
enum<string>
default:720p

Video output specification. Draft mode (draft=true) only supports 480p. Defaults to 720p.

Available options:
480p,
720p,
1080p
​
ratio
enum<string>
default:adaptive

Video aspect ratio. Defaults to adaptive.

Available options:
16:9,
4:3,
1:1,
3:4,
9:16,
21:9,
adaptive
​
seed
integer
default:-1

Random seed, range [-1, 4294967295].

Required range: -1 <= x <= 4294967295
​
camera_fixed
boolean
default:false

Whether to fix the camera.

​
watermark
boolean
default:false

Whether to add a watermark.

​
generate_audio
boolean
default:true

Whether to generate sound synchronized with the visuals. Supported by 1.5 Pro.

​
draft
boolean
default:false

Whether to enable draft mode. When enabled, a preview video is generated, which is faster but lower quality.

​
return_last_frame
boolean
default:false

Whether to return the last frame image.

Response

200

Submission successful, returns a video task object.