Seedance 1.5 Pro Async Video Generation

API Documentation

Use these endpoints to submit Seedance 1.5 Pro jobs and check their status. Each call spends credits based on duration and audio (synchronized dialogue, SFX, music).

Authentication

All requests must include your API key inside the Authorization header:

Authorization: Bearer <YOUR_API_KEY>

Missing or invalid keys return 401 Unauthorized.

POST

https://seedance1-5pro.com/api/generate

Create generation task

Submits a new Seedance 1.5 Pro job. The call immediately returns a task_id while the render completes asynchronously.

Parameter	Type	Required	Description
prompt	string (max 1000 chars)	Yes	Main scene description (text or image flow).
aspect_ratio	string	Yes	Supported: 16:9, 9:16, 1:1. Ignored when image_urls exist.
duration	string	Yes	Render length in seconds ("5" or "10").
sound	boolean	No	Include audio in the clip (synchronized dialogue, SFX, music).
image_urls	string[]	No	Optional reference image URLs (required for image-to-video).

Credit consumption

Credits deduct when the task is created. Failed jobs are automatically refunded.

Preset	Credits deducted
5 s silent	65
10 s silent	130
5 s with audio	130
10 s with audio	260

Sample request

{
  "prompt": "Drone shot over neon night market",
  "aspect_ratio": "16:9",
  "duration": "5",
  "sound": false,
  "image_urls": [
    "https://cdn.example.com/reference/frame01.png"
  ]
}

Sample response

{
  "code": 200,
  "message": "success",
  "data": {
    "task_id": "sd15p_b6d54c8f4b4c4e8"
  }
}

GET / POST

https://seedance1-5pro.com/api/status

Check task status

Use this endpoint to poll the latest record. When the task is still IN_PROGRESS we query the provider once more before replying.

Parameter	Type	Required	Description
task_id	string	Yes	ID returned by /generate. Send via query (?task_id=) or JSON body.

Field	Description
task_id	ID returned from /generate.
status	SUCCESS
request	Sanitized copy of the submitted payload.
response	Array of media URLs when status is SUCCESS.
consumed_credits	Credits charged for the task (0 when refunded).
error_message	Provider error when status is FAILED.
created_at	UTC timestamp when the job was stored.

Sample request

GET https://seedance1-5pro.com/api/status?task_id=sd15p_b6d54c8f4b4c4e8
Authorization: Bearer <YOUR_API_KEY>

# or POST
POST https://seedance1-5pro.com/api/status
Authorization: Bearer <YOUR_API_KEY>
Content-Type: application/json

{
  "task_id": "sd15p_b6d54c8f4b4c4e8"
}

Sample response

{
  "code": 200,
  "message": "success",
  "data": {
    "task_id": "sd15p_b6d54c8f4b4c4e8",
    "status": "SUCCESS",
    "request": {
      "prompt": "Drone shot over neon night market",
      "aspect_ratio": "16:9",
      "duration": "5",
      "sound": false
    },
    "response": [
      "https://static.gogloai.com/seedance15pro/clip_001.mp4"
    ],
    "consumed_credits": 65,
    "error_message": null,
    "created_at": "2025-06-14T05:21:11Z"
  }
}

Error handling

401 Unauthorized - Missing or invalid API key.
402 Payment Required - Credit balance could not cover the deduction.
429 Too Many Requests - Reduce the polling cadence or request rate.
500 - Transient issue; retry with exponential backoff.