Seedance 2.5 API リファレンス
ByteDance最新作。音声つきで最長30秒
PopNow の API キー 1 つで、Seedance 2.5 を自分のコードから呼び出せます。送るモデル ID、受け付ける入力フィールド、1 回あたりのクレジット、ターミナルに貼ってそのまま動くリクエストをこのページにまとめました。
パラメーターの説明はモデルの入力 schema から取っているため、英語のみです。
概要
- 開発元
- ByteDance
- 出力
- 動画
- 最安
- 11.07 クレジット 出力 1 秒あたり ($0.1107)
- 目安の所要時間
- 約 279 秒
1 クレジット = 0.01 米ドル。タスクの受付時に上限額を確保し、完了時に実際の使用量で精算します(整数クレジットに切り上げ、差額は返却)。失敗したタスクには課金されません。実行前に正確な金額を知りたいときは POST /api/v1/jobs/quote を呼んでください。
動画を作成
bytedance/seedance-2.5/text-to-video
料金
| オプション | クレジット (出力 1 秒あたり) | 米ドル |
|---|---|---|
generate_audio = false, resolution = 480p | 18.51 | $0.1851 |
generate_audio = true, resolution = 480p | 18.51 | $0.1851 |
generate_audio = false, resolution = 720p | 41.6 | $0.416 |
generate_audio = true, resolution = 720p | 41.6 | $0.416 |
generate_audio = false, resolution = 1080p | 102.35 | $1.0235 |
generate_audio = true, resolution = 1080p | 102.35 | $1.0235 |
パラメーター
| フィールド | 型 | 既定値 | 指定できる値 | 説明 |
|---|---|---|---|---|
prompt必須 | string | — | — | What to generate: subject, action, camera movement and mood. |
aspect_ratio任意 | string | adaptive | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, adaptive | Aspect ratio of the generated video. |
resolution任意 | string | 720p | 480p, 720p, 1080p | Output resolution. Super-resolution tiers are not offered. |
duration_seconds任意 | integer | 5 | 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, … (+13) | Clip length in seconds. This is the billed quantity. |
generate_audio任意 | boolean | true | — | Generate a native soundtrack synchronised to the picture. |
output_format任意 | string | mp4 | mp4, mov | Container of the returned video. |
enable_web_search任意 | boolean | false | — | Let the model search the web for information related to the prompt before rendering. |
seed任意 | integer | — | 0〜2147483647 | Random seed. Omit to let the model pick one. |
return_last_frame任意 | boolean | false | — | Also return the clip’s final frame as a separate image. |
watermark任意 | boolean | false | — | Ask the model to watermark the video as AI-generated. |
リクエスト例
このリクエストはそのまま実行できます。省略したフィールドには既定値が入ります。先にキーを環境変数 POPNOW_API_KEY に設定してください。
curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "bytedance/seedance-2.5/text-to-video",
"input": {
"prompt": "A paper boat drifts down a rain-soaked street at dusk, neon signs reflecting in the water, slow tracking shot at ground level",
"generate_audio": true,
"duration_seconds": 5,
"resolution": "720p"
}
}'レスポンスにはすぐに taskId が入ります。結果は GET /api/v1/jobs/recordInfo で取得するか、callBackUrl を付けて通知を受け取ります。
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
-H "Authorization: Bearer $POPNOW_API_KEY"画像から動画
bytedance/seedance-2.5/image-to-video
料金
| オプション | クレジット (出力 1 秒あたり) | 米ドル |
|---|---|---|
generate_audio = false, resolution = 480p | 18.51 | $0.1851 |
generate_audio = true, resolution = 480p | 18.51 | $0.1851 |
generate_audio = false, resolution = 720p | 41.6 | $0.416 |
generate_audio = true, resolution = 720p | 41.6 | $0.416 |
generate_audio = false, resolution = 1080p | 102.35 | $1.0235 |
generate_audio = true, resolution = 1080p | 102.35 | $1.0235 |
パラメーター
| フィールド | 型 | 既定値 | 指定できる値 | 説明 |
|---|---|---|---|---|
image_url必須 | string | — | — | URL of the image used as the first frame. |
prompt任意 | string | — | — | What to generate: subject, action, camera movement and mood. |
last_image_url任意 | string | — | — | URL of the image used as the closing frame. Only accepted together with image_url. |
aspect_ratio任意 | string | adaptive | adaptive | Aspect ratio of the generated video. Seedance 2.5 frames an image-to-video clip on the first frame, so adaptive is the only accepted value. |
resolution任意 | string | 720p | 480p, 720p, 1080p | Output resolution. Super-resolution tiers are not offered. |
duration_seconds任意 | integer | 5 | 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, … (+13) | Clip length in seconds. This is the billed quantity. |
generate_audio任意 | boolean | true | — | Generate a native soundtrack synchronised to the picture. |
output_format任意 | string | mp4 | mp4, mov | Container of the returned video. |
enable_web_search任意 | boolean | false | — | Let the model search the web for information related to the prompt before rendering. |
seed任意 | integer | — | 0〜2147483647 | Random seed. Omit to let the model pick one. |
return_last_frame任意 | boolean | false | — | Also return the clip’s final frame as a separate image. |
watermark任意 | boolean | false | — | Ask the model to watermark the video as AI-generated. |
リクエスト例
このリクエストはそのまま実行できます。省略したフィールドには既定値が入ります。先にキーを環境変数 POPNOW_API_KEY に設定してください。
例の image_url には PopNow のサンプル素材を使っています。自分の公開 HTTPS リンク、アップロードしたファイル、保存済みアセットに置き換えてください。
curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "bytedance/seedance-2.5/image-to-video",
"input": {
"prompt": "He lands softly on the rooftop, laughs and turns toward the camera while the balloons sway in the evening breeze; slow push-in",
"image_url": "https://media.popnow.ai/influencer/examples/marco.webp",
"generate_audio": true,
"duration_seconds": 5,
"resolution": "720p"
}
}'レスポンスにはすぐに taskId が入ります。結果は GET /api/v1/jobs/recordInfo で取得するか、callBackUrl を付けて通知を受け取ります。
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
-H "Authorization: Bearer $POPNOW_API_KEY"参照から動画
bytedance/seedance-2.5/reference-to-video
料金
| オプション | クレジット (出力 1 秒あたり) | 米ドル |
|---|---|---|
generate_audio = false, resolution = 480p, with_video = true | 11.07 | $0.1107 |
generate_audio = true, resolution = 480p, with_video = true | 11.07 | $0.1107 |
generate_audio = false, resolution = 480p, with_video = false | 18.51 | $0.1851 |
generate_audio = true, resolution = 480p, with_video = false | 18.51 | $0.1851 |
generate_audio = false, resolution = 720p, with_video = true | 24.89 | $0.2489 |
generate_audio = true, resolution = 720p, with_video = true | 24.89 | $0.2489 |
generate_audio = false, resolution = 720p, with_video = false | 41.6 | $0.416 |
generate_audio = true, resolution = 720p, with_video = false | 41.6 | $0.416 |
generate_audio = false, resolution = 1080p, with_video = true | 61.23 | $0.6123 |
generate_audio = true, resolution = 1080p, with_video = true | 61.23 | $0.6123 |
generate_audio = false, resolution = 1080p, with_video = false | 102.35 | $1.0235 |
generate_audio = true, resolution = 1080p, with_video = false | 102.35 | $1.0235 |
パラメーター
| フィールド | 型 | 既定値 | 指定できる値 | 説明 |
|---|---|---|---|---|
prompt必須 | string | — | — | What to generate: subject, action, camera movement and mood. |
reference_image_urls任意 | array<string> | — | 30 件まで | Reference image URLs that carry over characters, style or scene composition. Up to 30 images. Cannot be combined with a first-frame image. |
reference_video_urls任意 | array<string> | — | 10 件まで | Reference video URLs that carry over motion and pacing. Up to 10 clips, 2-30 seconds each and 30 seconds in total. Reference footage is added to the billed duration. |
reference_audio_urls任意 | array<string> | — | 10 件まで | Reference audio URLs the generated soundtrack follows, for beat matching or lip sync. Up to 10 clips, 2-30 seconds each and 30 seconds in total. |
aspect_ratio任意 | string | adaptive | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, adaptive | Aspect ratio of the generated video. |
resolution任意 | string | 720p | 480p, 720p, 1080p | Output resolution. Super-resolution tiers are not offered. |
duration_seconds任意 | integer | 5 | 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, … (+13) | Clip length in seconds. This is the billed quantity. |
generate_audio任意 | boolean | true | — | Generate a native soundtrack synchronised to the picture. |
output_format任意 | string | mp4 | mp4, mov | Container of the returned video. |
enable_web_search任意 | boolean | false | — | Let the model search the web for information related to the prompt before rendering. |
seed任意 | integer | — | 0〜2147483647 | Random seed. Omit to let the model pick one. |
return_last_frame任意 | boolean | false | — | Also return the clip’s final frame as a separate image. |
watermark任意 | boolean | false | — | Ask the model to watermark the video as AI-generated. |
リクエスト例
このリクエストはそのまま実行できます。省略したフィールドには既定値が入ります。先にキーを環境変数 POPNOW_API_KEY に設定してください。
例の reference_image_urls には PopNow のサンプル素材を使っています。自分の公開 HTTPS リンク、アップロードしたファイル、保存済みアセットに置き換えてください。
curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "bytedance/seedance-2.5/reference-to-video",
"input": {
"prompt": "The man from the reference image jogs across a sunlit rooftop at golden hour and smiles at the camera; smooth tracking shot",
"reference_image_urls": [
"https://media.popnow.ai/influencer/examples/ava.webp"
],
"generate_audio": true,
"duration_seconds": 5,
"resolution": "720p"
}
}'レスポンスにはすぐに taskId が入ります。結果は GET /api/v1/jobs/recordInfo で取得するか、callBackUrl を付けて通知を受け取ります。
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
-H "Authorization: Bearer $POPNOW_API_KEY"動画を延長
bytedance/seedance-2.5/video-extend
料金
| オプション | クレジット (出力 1 秒あたり) | 米ドル |
|---|---|---|
generate_audio = false, resolution = 480p, with_video = true | 11.07 | $0.1107 |
generate_audio = true, resolution = 480p, with_video = true | 11.07 | $0.1107 |
generate_audio = false, resolution = 480p, with_video = false | 18.51 | $0.1851 |
generate_audio = true, resolution = 480p, with_video = false | 18.51 | $0.1851 |
generate_audio = false, resolution = 720p, with_video = true | 24.89 | $0.2489 |
generate_audio = true, resolution = 720p, with_video = true | 24.89 | $0.2489 |
generate_audio = false, resolution = 720p, with_video = false | 41.6 | $0.416 |
generate_audio = true, resolution = 720p, with_video = false | 41.6 | $0.416 |
generate_audio = false, resolution = 1080p, with_video = true | 61.23 | $0.6123 |
generate_audio = true, resolution = 1080p, with_video = true | 61.23 | $0.6123 |
generate_audio = false, resolution = 1080p, with_video = false | 102.35 | $1.0235 |
generate_audio = true, resolution = 1080p, with_video = false | 102.35 | $1.0235 |
パラメーター
| フィールド | 型 | 既定値 | 指定できる値 | 説明 |
|---|---|---|---|---|
prompt必須 | string | — | — | Required. Describe what happens next: the action that follows, the camera move and the sound. |
video_url必須 | string (uri) | — | — | The clip to continue: MP4, MOV or WebM, 2 to 60 seconds. Its last 30 seconds at most become reference footage for the new segment and are billed as reference seconds; anything earlier is only joined back on. |
resolution任意 | string | 720p | 480p, 720p, 1080p | Size of the new segment. Match your source; it only sets the quality of the new segment. |
duration_seconds任意 | integer | 5 | 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, … (+13) | Length of the new segment in seconds. The reference seconds taken from your clip are billed on top. |
generate_audio任意 | boolean | true | — | Generate sound for the new segment. The sound of your source is kept either way. |
enable_web_search任意 | boolean | false | — | Let the model search the web for information related to the prompt before rendering. |
seed任意 | integer | — | 0〜2147483647 | Random seed. Omit to let the model pick one. |
watermark任意 | boolean | false | — | Ask the model to watermark the new segment as AI-generated. |
リクエスト例
このリクエストはそのまま実行できます。省略したフィールドには既定値が入ります。先にキーを環境変数 POPNOW_API_KEY に設定してください。
例の video_url には PopNow のサンプル素材を使っています。自分の公開 HTTPS リンク、アップロードしたファイル、保存済みアセットに置き換えてください。
curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask" \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d '{
"model": "bytedance/seedance-2.5/video-extend",
"input": {
"prompt": "The flowers keep opening while the camera slowly pulls back to reveal a sunlit meadow",
"video_url": "https://media.popnow.ai/effects/flower-bloom-1abd6efb.mp4",
"generate_audio": true,
"duration_seconds": 5,
"resolution": "720p"
}
}'レスポンスにはすぐに taskId が入ります。結果は GET /api/v1/jobs/recordInfo で取得するか、callBackUrl を付けて通知を受け取ります。
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
-H "Authorization: Bearer $POPNOW_API_KEY"
