Seedance 1.5 Pro

ID:bytedance/seedance-1.5-pro

Seedance 1.5 Pro video generation API by ByteDance — cinema-quality video with synchronized audio, multilingual dialogue, and up to 1080p.

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Overview

Seedance 1.5 Pro video generation API by ByteDance — cinema-quality video with synchronized audio, multilingual dialogue, and up to 1080p.

Authentication

All API requests require a valid API key passed via the Authorization header using the Bearer scheme.

Quickstart

Credentials

Set the RUNBASE_API_KEY environment variable.

Shell

export RUNBASE_API_KEY=your-api-key

Create a run

Shell

curl -s https://runbase.net/api/v1/runs \
  -H "Authorization: Bearer $RUNBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "bytedance/seedance-1.5-pro",
    "input": {
      "prompt": "A cinematic product photo of a ceramic lamp"
    }
  }'

Runs

Runs are processed asynchronously. Submit a request, then poll for the result.

Create a run

Shell

curl -s https://runbase.net/api/v1/runs \
  -H "Authorization: Bearer $RUNBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "bytedance/seedance-1.5-pro",
    "input": { "prompt": "A cinematic product photo of a ceramic lamp" }
  }'

Get run status

Shell

curl -s https://runbase.net/api/v1/runs/RUN_ID \
  -H "Authorization: Bearer $RUNBASE_API_KEY"

Get result

Poll the status endpoint until status is "succeeded", then read output.urls from the response.

Input Schema

Parameter	Type	Required	Description
prompt	string	Required	Prompt
aspect_ratio	string	Optional	Aspect ratioOptions: `16:99:164:33:41:121:9`
resolution	string	Optional	ResolutionOptions: `480p720p1080p`
duration	string	Optional	DurationOptions: `4812`
generate_audio	boolean	Optional	Generate audio
image_urls	string[]	Optional	Source images

Output Schema

Field	Type	Description
urls	string[]	Generated output URLs

Errors

The API uses standard HTTP status codes to indicate success or failure.

Status Code	Description
400	無效請求 - 缺少或格式錯誤的參數
401	驗證失敗 - 缺少或無效的 API 金鑰
402	點數不足
403	禁止存取 - IP 不被允許或 API 金鑰消費上限已超過
404	找不到執行紀錄
429	超過速率限制
500	內部伺服器錯誤